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  • 标题:Social capital and the care networks of frail seniors.
  • 作者:Keating, Norah ; Dosman, Donna
  • 期刊名称:Canadian Review of Sociology
  • 印刷版ISSN:1755-6171
  • 出版年度:2009
  • 期号:November
  • 语种:English
  • 出版社:Canadian Sociological Association
  • 摘要:Such proliferation of work on social capital has lead to criticism that too often it is used as a "multi-purpose descriptor[s] for all types and levels of connections" and thus, lacks the specificity that would add to its theoretical and practical value (Muntaner, Lynch, and Smith 2000:108). In this paper, we endeavor to increase the specificity of social capital as a useful framework through addressing a particular social group (families of frail seniors), and a particular benefit (care to an older family member). We draw on social capital literature to frame our understanding of the social capital inherent in families of frail older adults, and hypothesize their abilities to benefit their family members.
  • 关键词:Aged;Elderly;Family;Quality of life;Social capital (Sociology);Social networks;Social support

Social capital and the care networks of frail seniors.


Keating, Norah ; Dosman, Donna


SOCIAL CAPITAL HAS BEEN A KEY framework in conceptualizing the place of social ties in quality of life. The foundational work of scholars like Putnam (1995), Bourdieu (1986), and Coleman (1990) has influenced our understanding of the broad structure of the relationships between social networks, norms, and social trust; the processes through which they work; and the positive outcomes which include various types of mutual benefit. Indeed, social capital has had such widespread appeal that identifying the nature of social relationships and their impact "has become a veritable cottage industry across the social sciences" (Szreter and Woolcock 2004:650).

Such proliferation of work on social capital has lead to criticism that too often it is used as a "multi-purpose descriptor[s] for all types and levels of connections" and thus, lacks the specificity that would add to its theoretical and practical value (Muntaner, Lynch, and Smith 2000:108). In this paper, we endeavor to increase the specificity of social capital as a useful framework through addressing a particular social group (families of frail seniors), and a particular benefit (care to an older family member). We draw on social capital literature to frame our understanding of the social capital inherent in families of frail older adults, and hypothesize their abilities to benefit their family members.

SOCIAL CAPITAL AND CLOSE TIES

Social networks are viewed as the building blocks of social capital (Lauder et al. 2006), the resources or "stock" developed over time through trust and norms of reciprocity (Rankin 2002; Reimer et al. 2008), which "facilitate coordination and cooperation for mutual benefit" (Putnam 1995:67). Structural features of such networks provide different types of connections among members and across networks, resulting in varying potential to take collective action. From this perspective, social capital is an asset grounded in social networks (Reimer et al. 2008).

Two structural features of networks viewed as having differential social capital potential are those that connect people within networks and those that link people to other networks or link networks themselves. Bonding social capital is viewed as reflective of relations within homogenous groups that have strong ties among members, characterized by intimate relationships in which the others' needs are known (Kavanaugh et al. 2005; Putnam 2000). Such groups are well suited to provide the social and psychological supports its members need for managing their day-to-day activities (Policy Research Initiative 2003). Families fit the description of groups with strong ties: high amounts of time spent together, emotional intensity, mutual confiding and reciprocal services (Kavanaugh et al. 2005), and a strong sense of shared identity (Reimer et al. 2008).

Bridging social capital is more heterogeneous and is based on weak ties among network members (Granovetter 1973), better suited to providing instrumental resources than emotional support (Kavanaugh et al. 2005). Such ties are useful in connecting people to external assets and to information (Policy Research Initiative 2003) that help them obtain access to community resources (Scharf, Phillipson, and Smith 2005). Families seem less likely to have these network assets given their homogeneous membership and tight bonds may exclude others and create barriers to information exchanges (Zacharakis and Flora 2005). However, nonkin, such as friends and neighbors who comprise an element of social networks, may have more potential to provide links to community support given their structural position as nonkin whose ties are more discretionary and individualistic than those of close kin (Litwin 2001). These relationships could be important to older adults because numerous direct ties to people who have alternative routes to valuable resources increases a person's chances of receiving needed support (Barrett and Lynch 1999; Cornwell, Laumann, and Schumm 2008).

Structural features reflective of bonding and bridging social capital may be differentially useful. In a statement about the relative merits of these features of social networks, Putnam (2000:23) argues that "bonding is good for getting by, but bridging is crucial for getting ahead." In the context of families providing care to a frail older adult, one might hypothesize that families would be in a good position to provide care themselves because they have strong normative obligations to care and long histories together (Furstenberg 2005). In contrast, family solidarity, which is essential to the provision of intense levels of care over time, may mitigate against weak ties to people who can move between groups (Fukuyama 1995), leaving families without adequate resources with which to broker connections to formal community services to assist their frail older members.

Families have not been among groups of interest in social capital research (Donati and Prandini 2007). Yet within the context of research and public policy on aging, the contemporary discourse on families is congruent with social capital assumptions. There is a belief that families are the basis of the system of support to frail seniors, providing the most responsive, knowledgeable, and nuanced care (Havens, Donovan, and Hollander 2001). Yet there are also concerns about their fragility as services are increasingly rationed (Chappell and Penning 2003) and the welfare state maximizes individual risk and responsibility (Meyer and Wilmoth 2006). Families' abilities to both sustain high levels of care and gain access to formal services that might assist them in caring are increasingly important in supporting an aging population (Wiles 2003; Winslow 2003) and may well exceed their resources.

Little research has focused on deconstructing these assumptions about families and care. Yet contemporary social capital theorists caution that it is important to consider the purpose and outcomes of different ties within their individual contexts (Leonard and Onyx 2003), avoiding overly simplistic interpretations of the pattern of connections among people that may mask determinants of positive outcomes (Muntaner et al. 2000). In this paper, we address two assumptions about families and social capital: that families are the basis of support to frail older adults, and that they have limited resources to link to formal services.

CARE NETWORKS OF FRAIL OLDER ADULTS

What then might be the key characteristics of the social networks of older adults that would increase the likelihood that they would receive care if needed? Research on social networks of older adults shows that in general they have strong, close, and stable social ties including long-standing kin and friend relationships (Peek and Lin 1999; van Tilburg 1998). Yet one of the truisms of network analysis is that "mere presence of a tie between two people does not equate with the provision of support" (Walker, Wasserman, and Wellman 1993:72). While structural characteristics of social networks of older adults provide the potential for supportive actions, access to social resources may vary considerably (Langford et al. 1997). "Cashing in" social capital requires actualizing this support potential (Jennings 1999; Tijhuis et al. 1998).

Support networks are groups of family members and friends that are responsive to the everyday needs of older adults. These support relationships provide the basis for care, an intense form of support that goes beyond what is required in everyday life to encompass tasks and services needed to support frail older adults (Barrett and Lynch 1999; Hanson et al. 1997; Walker, Pratt, and Eddy 1995).

Four main types of support networks have been found: family-based, friend-based, diverse, and limited (Fiori, Smith, and Antonucci 2007). Close-family networks include mostly close and distant kin. Many of these networks provide extensive day-to-day support, although some are less intimate with few family members actively involved (Aartsen et al. 2004; Litwin and Landau 2000; Melkas and Jylha 1996). Similarly, some friend-based networks have active exchanges of practical help (Melkas and Jylha 1996), while in others relationships are cordial but without active provision of resources (Litwin and Landau 2000). Diverse networks have a mix of kin and nonkin and are typified by frequent contact among them (Aartsen et al. 2004). Those with limited network ties often have no spouse, few if any children, and little contact with friends. Their networks are small and socially isolated with little supportive interaction (Fiori, Antonucci, and Cortina 2006; Litwin 2001; Stone and Rosenthal 1996).

Clearly support network resources in old age are not universally available (Aartsen et al. 2004) suggesting that some older adults may not receive care if needed. The limited empirical evidence of the structure of care networks shows that they may be less diverse than support networks. Researchers studying the evolution of support to care networks have found two main trends. The first is that there is an increasing concentration of family members in care networks of frail older adults (Aartsen et al. 2004; van Tilburg 1998). Family-focused care networks have small numbers of close kin (Wenger and Keating 2008; Wolff and Kasper 2006) who are predominantly female and living with or close to the person for whom they are caring (Fast et al. 2004). Spouses and adult children are the most common family caregivers (see e.g., Chappell 2003; Walker et al. 1995). They provide the highest amount of care and most intimate care tasks (Li 2004), but are least likely to receive formal services (Lyons, Zarit, and Townsend 2000; Winslow 2003).

Some researchers have found that friendship-oriented support networks are unlikely to provide care (Lyons et al. 2000; van Groenou and van Tilburg 1997), although others have found that friends remain part of care networks (Cranswick 2003; Reinhardt, Boerner, and Benn 2003). Where present, friends and neighbors in care networks increase the likelihood that formal services will be received (Barrett and Lynch 1999), evidence that they are good mediators between caregiving families and service providers (Li 2004).

Less is known about how other structural characteristics of care networks may influence their caring capacity. Care networks have characteristics that may reflect high levels of bonding social capital: higher proportions of women, long-standing relationships, people living nearby, and small numbers including those caring alone (Tijhuis et al. 1998; Wolff and Kasper 2006). However, increasing proportions are also in the labor force. Care networks in which all members are employed provide the fewest weekly hours of care (Keating et al. 2008), though their employment status may afford opportunities to link with community services. Social capital assumptions allow us to further our understanding of resources that families might draw upon to care for their older family members.

We address two main research questions toward better understanding the structure and actualized social capital of care networks of frail older Canadians:

1. What are the types of care networks of older adults and how do they differ in their structural characteristics? Findings related to this question will allow us to develop a more nuanced picture of the differential potential of care networks to provide care themselves and to broker care from the formal care sector.

2. How is care-potential actualized? Findings related to this question will allow us to consider diversity in the amount of care provided and in the use of formal care services.

METHODS

Data for this study were drawn from the nationally representative Statistics Canada 2002 General Social Survey on Aging and Social Support. The sample was drawn using random digit dialing. Interviews were conducted by telephone. Those living in the northern territories (Yukon, Northwest Territories, Nunavut), or in institutions, and those without telephones were excluded. Data were collected throughout the year. The response rate was 83.8 percent. From the total sample of 24,870 Canadians age 45 years and older, a sample was drawn of adults aged 65 and over who indicated that they had received assistance from family/friends (n = 2,407). Care was operationalized as having received assistance with one or more tasks in the previous 12 months because of a long-term health problem or disability. Care tasks include meal preparation or cleanup; housekeeping; household maintenance or repair; grocery shopping; transportation; help with banking or bill paying; and personal care. Care receivers indicated who provided assistance in which tasks. They were also asked how frequent these tasks were performed and for how much time was spent performing the tasks. Care networks were operationalized as all family members/friends that the respondent said had provided them with one or more tasks in the previous 12 months because of their long-term health problem or disability. Additionally, formal care is operationalized as all care provided to the respondent by individuals from nongovernmental organizations, paid employees of the respondent, or government employees.

Analyses

Care network was the unit of analysis. The first set of analyses addressed the question of what is the structure of care networks of older adults. The sample was differentiated into care network types by utilizing structural network characteristics in a cluster analysis procedure. Structural characteristics were: gender composition (proportion of the care network comprised of women); age composition (proportion of the care network between 45 and 64 and proportion of the care network over 65); relationship composition (proportion of the care network comprised of kin); proximity (proportion of the care network residing with the senior recipient and proportion of the care network more than 1/2 day's travel away from the senior recipient); employment (proportion of the care network employed full or part time); and network size (number of members of the care network). These network characteristics were chosen based on key characteristics of support and care networks (see e.g., Fast et al. 2004; Fiori et al. 2007; van Groenou and Tillburg 1997).

K-means cluster analysis method was used. This method divides the sample into subgroups based on their similarity across a group of variables. The clusters are derived by determining their similarity on the set of structural network characteristics described above. Dissimilarity between clusters is measured by squared Euclidean distance, which involves summing and squaring across all the variables. Variables with larger variances are weighted more heavily in the cluster solution. All the variables in these analyses with the exception of network size are expressed as proportions ranging from 0 to 1, consequently the network size variable was standardized to ensure that it contributed equally to the cluster formation. Solutions are sought that minimize the within-group differences and maximize the between-group differences on the set of structural network characteristics.

In the second set of analyses, we examined the question of how the structure of care networks may influence actualized social capital: the amount of care provided by the networks, and by formal care services. Three sets of analyses were conducted:

1. The average number of hours per week of care provided by family and friends for each of the six network types was calculated.

2. The proportion of frail seniors who received formal care in addition to family and friend care was calculated for each of the six care network types.

3. Patterns of distribution of hours of care provided were examined. The sample was divided into two groups: older adults who received family/friend care only and older adults who received family/friend plus formal care. Distribution of hours of care within each of these two groups was examined by calculating the average number of hours of care per week provided by family/friends and by formal services for each of the six care network types. Difference of means tests was conducted using an ANOVA estimation controlling for the differing level of disabilities.

RESULTS

The final result of the cluster analysis was a six-cluster solution of typologies of frail seniors' care networks. The six-cluster solution resulted in distinctly different clusters which offered the most information with the fewest number of clusters (Table 1).

Three of the six care network types were almost entirely based in close-family relationships. All had more than 80 percent close kin though they differed on age distribution, and on proximity and employment composition. Children at home (5.3 percent of all networks) included adult children who were middle-aged, employed, and living with the older adult; Lone spouse (13.4 percent of networks) were older husbands or wives, living with their frail partner. Spouse and children (11.2 percent of networks) were close kin, female, diverse in age, proximity, and employment status. These three close-family care networks comprised 29 percent of all care network types. This proportion is lower than expected given previous findings that most members of care networks are close kin.

Three care network types were based in a broader set of members that included both friends and family. The friend-and-family networks ranged from 17 percent to 42 percent friends. All lived at a distance from the older adult but differed on other characteristics. The largest proportion of Older diverse (9.0 percent of networks) networks was friends, but with smaller proportions of close kin and distant kin. Most were over age 65, highlighting the presence of same generation caregivers. Close kin and friends (46.7 percent of networks) were mostly close kin, with a smaller proportion of friends, were middle aged and employed. Younger diverse networks (14.4 percent) were a mix of (distant) kin and friends, middle aged and younger, and employed. This network type had the lowest proportion of women. Together these three network types made up the majority (71 percent) of all networks.

These six care network types are more diverse than previously found. Close-family networks reflect most closely the tightly knit groups hypothesized to be high on bonding social capital. Friend-and-family networks have a mix of characteristics, such as age and employment status, in addition to kin and friends that may enhance their ability to link to community resources.

Hours of care provided by the close-family and friend-and-family networks provide evidence of some of the expected differences in actualized social capital based on bonding and bridging potential. Networks differ considerably in the hours of care they provide (Table 2). The three close-family networks provide highest hours of care, between 10 and 18 hours per week. These networks are tightly knit; most are adult children and spouses with high normative obligations to care. All have coresident caregivers. In contrast, friend-and-family networks provide fewer hours than any of the close-family networks, between 2.9 and 6.9 hours per week. Among them, most care is provided by networks with the highest proportion of close kin: Close kin and friends have 76 percent of members who are close relatives.

Overall, these findings suggest a positive relationship between the proportions of close kin in a network and the hours of care provided, evidence that it is not just family ties, but ties to close kin, such as spouse and children, that are key resources in "getting by" under the difficult circumstances of frailty of an older person.

Bridging social capital was estimated in part by calculating the proportion of each of the six care network types that received formal services (Table 3). As expected, the highest proportion of networks caring without formal services is among the close-family networks. Among them, two network types least likely to bridge to formal help are those who live with the frail older adult. Proximity may be an indicator of highest bonding among networks whose lives are focused on the day-to-day support of the older adult. Only 28 percent of Children at home networks and 23 percent of Lone spouse networks received formal help.

In contrast, networks that were most heterogeneous were more likely to bridge to formal services. Half of Close kin and friends and 43 percent of Older diverse networks linked to formal services. These links can be explained only partially by the presence of ties to friends. Older diverse networks indeed have the highest proportion of friends and thus theoretically have the highest linking potential. Yet Close kin and friends, a family-based network type, are the most likely network to receive formal services. It may be that for these networks, a combination of characteristics increases access to formal services. High labor force participation may increase knowledge of community resources while being in mid life and older may be indicative of time to develop skills in gaining access to them.

It is important to note that the majority of each of the network types received no formal help. It may be that overall membership in care networks is not sufficiently diverse to allow for linking to formal services needed to support a frail older adult. It is also possible that given the constraints on formal health-care resources across the country, even strong linking skills may not be adequate to garner scarce care resources.

Finally, patterns of distribution of hours of care provide further information on the relative importance of bonding and bridging resources in care networks. Table 4 has two sections. The first column shows mean weekly hours of care provided by care networks when no formal care was being received. The second set of columns show the mean weekly hours of care provided by care networks by formal services, and the total of these two.

These findings reveal patterns of care across networks and sources of care. There are similarities across networks both in hours of care provided in the absence of formal care, and of hours of formal care received. When networks are caring alone (i.e., without formal services), mean hours of care are similar across four of the care network types between six and eight hours per week. (Exceptions are that Younger diverse networks provide less care, while Spouse and children networks provide substantially more.) Among networks in receipt of formal services, mean hours of formal services also show little variation between four and seven hours per week across all six network types.

These similarities in care by networks caring alone and in formal service hours across networks are in sharp contrast to the substantial differences in care hours when networks are caring along with formal services. When formal care is also provided, close-family networks provide between 18.8 and 23.3 hours of care per week; friend-and-family networks provide between 3.6 and 7.3 weekly hours. It may be that close-family networks are reluctant to link to formal services and do so only when they have exhausted their personal caring resources. In comparison, lower care obligations of friend-and-family networks may lead them to limit their care inputs after linking with formal services.

DISCUSSION

Results from these analyses provide information to address two assumptions about families and social capital: that families are the basis of support to frail older adults; and that they have limited resources to link to formal services.

A key finding in this study is the centrality not just of families, but of close kin, in caring for frail older adults. The three care networks based on close, nuclear, family relationships most closely resemble the family group believed to epitomize bonding social capital-devoted spouses and adult children who have the highest normative obligations to provide care (Szinovacz and Davey 2008). Care provision by these networks is evidence of their strong commitment. Even in the face of limited formal help, they provided relatively high hours of care.

All six network types had some close-kin members, suggesting that the high bonding inherent in close-kin family connections is a necessary prerequisite to the emergence of care networks. Nonetheless, the presence of friends and more distant kin indicates structural capacity to bridge to formal community resources, particularly among the three friends-and-family network types. These networks had diverse memberships typical of groups that can link to other resources and were more likely to receive formal services than were close-family networks. Importantly though, all of these networks had some family members. While families do not provide all of the care without their commitment, care networks are unlikely to emerge. It appears that while care work has not entirely been transferred to families (Armstrong and Armstrong 2005; Chappell and Penning 2003; Hales 2007; Penning 2002), responsibility for care does lie with them.

In intense caregiving situations, bonding has its costs. Close-family networks are least likely to receive formal help, especially if network members live with the cared-for person. Networks that receive formal help get few hours of assistance despite providing high levels of care. There is a longstanding concern of the isolation of such proximate caregivers whose high care demands may lead to poor health or social isolation (Michelson and Tepperman 2003; Seltzer and Wailing 2000). Recent findings show that among adult child caregiver groups, tensions over equity in caregiving can lead to poor family relationships, feelings of exclusion, and even bitter court battles (Lashewicz et al. 2007).

Questions about sustainability of care emerge from the analyses of patterns of care when formal services are received. Overall, friend-and-family networks provide less care than do close-family networks. These differences are accounted for by the much lower levels of family-and-friend care when formal services are provided. Differences may be a result of when community services are sought. Networks with predominantly weak ties may link to formal services earlier because they have bridging capacity and because they lack the bonding social capital required to assume primary responsibility for the ongoing work of care. From the data reported here, we are not able to estimate the proportion of support networks based on friend and neighbor relationships that do not make the transition into caregiving, though prior research would suggest that these proportions will be small (Lyons et al. 2000; van Groenou and van Tilburg 1997).

In contrast, the high bonding of close-family networks may result in delaying the search for formal help. Close kin may be reluctant to ask for assistance for tasks that they believe they should do themselves (Rosenthal, Martin-Matthews, and Keefe 2007). Having poor bridging resources or being reluctant to use them may mean that services are received only when initiated by community service providers who become aware of high needs of isolated caregivers as a result of health crisis. Indeed as Szreter and Woolcock (2004) have argued, these close-family networks can function in both a socially inclusive and exclusive way, at times to the detriment of their own quality of life and ability to care for their frail relative. Longitudinal research on care networks will be required to tease out these possible differences in existence of bridging resources, willingness to use them, and efficacy of these strategies.

Other characteristics of care networks in addition to relationship may enhance or constrain caring resources. Networks living with the cared-for person reflect structural characteristics and caring behaviors indicative of high bonding. Examination of these networks over time may provide insights into how such bonding social capital acts as a resource to frail older adults. Little is known for example, about whether such older adults remain longer in the community than those cared for by less homogeneous networks or whether high emotional and physical costs to caregivers result in earlier depletion of their abilities to sustain care.

Employment might be expected to be a bridging resource because it provides access to community connections. However, we found no clear patterns of relationship between employment composition of networks and amount of formal care received. In fact, in close-family networks, high levels of employment are associated with lowest hours of formal care received. Yet these high-employment close-family networks differ considerably in the amount of care they provide themselves. The high bonding of Children at home networks may trump competing demands of employment in terms of time devoted to caregiving. In contrast, lower levels of normative obligation to care in friends-and-family networks may mean that Younger diverse networks with their high rates of employment are limited both in their willingness to broker formal care and to provide high levels of personal caregiving.

Findings of previous research on gender of individual caregivers that women provide higher hours of care (MacDonald, Phipps, and Lethbridge 2005; Stobert and Cranswick 2004) are replicated at the network level. Spouse and children networks that have the highest proportion of women caregivers provide the highest hours of care while Younger diverse networks with lowest proportion of women provide fewest hours of care. Nonetheless highly bonded proximate networks, such as Children at home and Lone spouse, with balanced gender composition provide high levels of care when formal services are provided. Longitudinal research would help tease out the relative importance of gender, family obligations, and caregiving demands in provision of care.

In conclusion, social capital theory has been useful in further understanding how structural ties among care networks relate to their capacity to provide care and to link to formal resources that might assist them. Through increasing the specificity of social capital as a framework, we hope that we also have addressed some of the concerns of social capital scholars that arguments suffer from "logical circularity" (Portes 1998:19). Portes argues that scholars must separate social capital from its outcomes; demonstrate that social capital is present before the outcomes that it is expected to produce; and recognize that there are downsides to social connections.

The rich literature on families and caregiving has provided empirical evidence of the nature of bonding and bridging social capital in caregiving families and the potential for heterogeneity in these two types of social capital. To our knowledge, the outcome of amount of formal services received is the first test of this heterogeneity. Further empirical tests with different outcomes, such as levels of family conflict, would strengthen this theoretical specificity. However, there is evidence from these analyses that bonding social capital in close-kin relationships provides the basis of support to frail older adults and the potential for their exclusion from linkages to community resources, while bridging social capital in more heterogeneous family-and-friend networks increased the likelihood of linking to formal resources. Severe limitations in the availability of formal care resources may account for lack of variation in the number of formal care hours received across network types. There are hints of important influences of other structural characteristics of care networks on amount of care provided by networks in light of limited access to formal resources.

Because the focus here is on families, which are ongoing social groups, we believe that there is a strong case for arguing that in this situation, the presence of social capital is demonstrably before the outcomes. Ultimately, directionality can best be determined by empirical work that is longitudinal. There is need of more research in which structural changes in care networks are traced along with a set of outcomes, such as receipt of formal services and levels of family conflict.

Finally, much has been learned about how patterns of connections among members of networks of older adults may determine positive outcomes for them (Muntaner et al. 2000). Yet there also is powerful evidence from prior research that "bonding has its costs." Examples cited here of poor family relationships, feelings of exclusion, court battles may well escalate in the contemporary economic context of scarce formal care resources and increasing demands of an aging population. It is time to move beyond assumptions that close-family ties necessarily result in the best care outcomes for frail older adults or their family members.

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NORAH KEATING

University of Alberta

DONNA DOSMAN

University of Alberta

The authors wish to acknowledge the Social Sciences and Humanities Research Council (SSHRC) Major Collaborative Research Initiative for support of the Hidden Costs, Invisible Contributions Research Program (2003-2008) of which this research is a part.

Dr. Norah Keating, Professor and Co-director Research on Aging, Policies and Practice, Department of Human Ecology, University of Alberta, Edmonton, AB, T6G 2N1, Canada. E-mail: norah.keating@ualberta.ca
Table 1
Care Network Types and Characteristics

Network composition characteristics

Network           Proportion of
characteristics   network members

Size
Relationship      % close kin
                  % distant kin
                  % friends

Gender            % a women
Age               % < 45 years
                  % 45-64 years
                  % > 65 years

Proximity         % same household
Employment        % employed

Network type

Lone     Children   Spouse and   Close kin     Older     Younger
spouse   at home    children     and friends   diverse   diverse

 1.0      1.6        1.4          1.9          1.4       1.3
94       84         80           76            31        17
 3       10          7            7            27        58
 3        7         13           17            42        25
49       43         61           54            42        38
 0       67         22           29            20        73
14       22         47           62             7        20
86       11         31            9            74         7
99       82         53           25            22         4
 4       72         44           66            14        62

Table 2
Mean Weekly Hours of Family/Friend Care by Network Type

                         Mean weekly hours of care
Care network type       from family/friend networks

Lone spouse                        10.9
Children at home                   10.2
Spouse and children                18.1
Close kin and friends               6.9
Older diverse                       6.2
Younger diverse                     2.9

Table 3
Proportion of Family/Friend Care Networks in
Receipt of Formal Care
                        Proportion
                         receiving
Care network type       formal care

Lone spouse                 23
Children at home            28
Spouse and children         40
Close kin and friends       50
Older diverse               43
Younger diverse             37

Table 4
Hours of Care Provided by Family/Friend and Formal Care
Providers by Care Network Type

                            Mean               Mean weekly hours
                         weekly hours   Family/friend plus formal care
                        Family/friend
                          care only                        Total
                                                           family/
                            Total       Family/            friend+
                        family/friend   friend    Formal   formal
Care network type         care only     care      care     care

Lone spouse                8.0 *         18.8      4.1     22.9 *
Children at home           6.0 *         23.3      4.0     27.7 *
Spouse and children       16.8 **        19.1      7.1     26.2 **
Close kin and friends      6.0 *          7.3      4.8     12.1 *
Older diverse              6.9            5.8      6.2     11.9
Younger diverse            2.4            3.6      5.9      9.5 *

* p < .001.

** p < .01.
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