摘要：Objectives. To compare changes in food-purchasing knowledge, self-efficacy, and behavior after viewing nutrition education videos among Los Angeles, California Latinas responsible for household grocery shopping. Methods. From February to May 2015, a convenience sample of 113 Latinas watched 1 video ( El Carrito Saludable ) featuring MyPlate guidelines applied to grocery shopping (1-video intervention) and another convenience sample of 105 Latinas watched 2 videos ( El Carrito Saludable and Ser Consciente ), the latter featuring mindfulness to support attention and overcome distractions while grocery shopping (2-video intervention). We administered questionnaires before and after intervention. A preselected sample in each intervention condition (n = 72) completed questionnaires at 2-months after intervention and provided grocery receipts (before and 2-months after intervention). Results. Knowledge improved in both intervention groups ( P < .001). The 2-video group improved more in self-efficacy and use of a shopping list (both P < .05) and purchased more healthy foods ( d = 0.60; P < .05) at 2 months than did the 1-video group. Conclusions. Culturally tailored videos that model food-purchasing behavior and mindfulness show promise for improving the quality of foods that Latinas bring into the home. Overweight and obesity are a growing and pervasive threat to public health in the United States, with substantial costs to society and future generations. 1–3 Latinas have among the highest rates of overweight and obesity (77%), and Latino children are disproportionately affected by obesity (22%). 4 Mexican Americans are particularly at risk for obesity, with overweight or obesity reported in more than three fourths of Mexican American women, and obesity reported in one fourth of Mexican American children 6 to 11 years of age. 5 Effective consumption-focused obesity intervention approaches seek to help with weight loss through changes in dietary habits and dietary intake. 6 Factors related to household shopping behavior, such as planning ahead and being a conscientious nutritional shopper, can affect dietary intake. 7,8 Educating Latinos/as about food-purchasing decisions that occur at the grocery store 9–11 can change food planning decisions and in-store shopping practices, resulting in decreases in total mean calories and increases in purchases of fruits and vegetables. 9,10,12,13 Improving nutritional knowledge and grocery list planning skills appears to be the main target for promoting healthier eating. 14,15 Additional low-cost and effective interventions are needed to facilitate the purchase of healthy foods and subsequent access to a healthy diet at home. Although efforts have been made to increase access to healthy food items in communities featuring economically disadvantaged populations, offering healthier options does not appear to be sufficient. 16 Interventions focused on equipping “food gatekeepers” (i.e., those responsible for purchasing food and cooking family meals) to make decisions about food purchases have the potential to promote healthier eating habits in the home. 17 Mindfulness-based interventions 18 can support individuals to change their obesity-related eating behaviors. 19 Considering previous work, it is unclear whether brief, culturally tailored videos can spur healthy change in grocery shopping behavior among Latinas who serve as food gatekeepers for their households. To address this limitation, we compared 2 interventions featuring culturally tailored videos designed to improve cognitive and behavioral skills and help Latinas prepare a shopping plan of action, acquire knowledge of healthy food choices, and focus attention on their intended grocery list while managing distractions during shopping. The El Carrito Saludable video uses the US Department of Agriculture’s MyPlate icon 20 to guide food choices while shopping by translating the icon to food distribution in the grocery cart. The Ser Consciente video demonstrates a mindfulness 18 approach (i.e., paying attention, on purpose, in the present moment, nonjudgmentally) while shopping to bolster self-regulation of attention and awareness to overcome distractions while shopping to support intentional decision-making. We compared the effects of viewing El Carrito Saludable (1-video intervention) alone with those of viewing both El Carrito Saludable and Ser Consciente (2-video intervention). We hypothesized that the 2-video intervention would outperform the 1-video intervention on outcomes related to healthy food purchasing.
