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  • 标题:Evaluation of a data-informed community engagement strategy to increase immunisation coverage in northern Uganda: a cluster-randomised controlled trial with an embedded process evaluation
  • 本地全文:下载
  • 作者:Edward Kumakech ; Jane Bruce ; Tracey Chantler
  • 期刊名称:The Lancet Global Health
  • 电子版ISSN:2214-109X
  • 出版年度:2018
  • 卷号:6
  • 页码:S15
  • DOI:10.1016/s2214-109x(18)30144-x
  • 出版社:Elsevier B.V.
  • 摘要:Background

    The 2016 Ugandan Demographic and Health Survey indicated that only 86% of children (aged 12–23 months) in northern Uganda had received the third dose of diphtheria-tetanus-pertussis vaccine (DTP3) and only 65% were fully immunised. To help close this gap, the International Rescue Committee developed a data-informed community engagement intervention, the Fifth Child Project, informed by a theory of change and including: (1) an mhealth tool used by health-facility-based staff and defaulter tracing forms used by community health workers aimed at improving data accuracy, (2) training of health workers in interpersonal skills, and (3) involvement of community leaders in planning vaccine outreaches. To test the impact of this intervention and examine its underlying hypothesis that a data-informed community engagement strategy will increase immunisation coverage, we conducted a cluster-randomised controlled trial with an embedded process evaluation.

    Methods

    At baseline, a household two-stage cluster survey was conducted in 32 clusters (16 intervention and 16 control health facility catchment areas) from mid-June to mid-July, 2016. The survey collected information on vaccinations, caregivers’ interactions with community-based and facility-based health workers, and reasons for non-vaccination of eligible children. The primary outcome was DPT3 and measles coverage in children aged 9–23 months. Process evaluation activities included: quarterly monitoring reports, interviews, focus group discussions, and observations conducted in four intervention and two control clusters (March–April, 2017). The endline survey was conducted from Sept 19, 2017, to Oct 2, 2017.

    Findings

    The sample included 916 households (935 children aged 9–23 months) in the intervention clusters and 881 households (897 children aged 9–23 months) in control clusters. Baseline estimates of immunisation coverage were similar for intervention and control arms. Both arms combined baseline coverage of DTP3 and measles vaccines using information from child immunisation cards, and caregiver recall was 78·3% (95% CI 76·0–81·5) and 64·6% (95% CI 60·9–67·3%), respectively. About 19% of children who received DTP1 had not received the measles vaccine in the intervention arm, compared with 21% of children in the control arm at baseline. The major barriers to complete immunisation included caregivers’ lack of awareness of immunisation schedule and vaccine stock-outs.

    Interpretation

    Endline and process evaluation findings will be available in March 2018 and will provide a more complete assessment of the impact of the Fifth Child Project.

    Funding

    International initiative for Impact Evaluation (3ie).

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