Engagement With Remote Delivery Channels in a Physical Activity Intervention for Senior Women in the US.

IF 2.5 4区 医学 Q2 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH American Journal of Health Promotion Pub Date : 2024-06-01 Epub Date: 2024-02-12 DOI:10.1177/08901171241229537
Andrea S Mendoza-Vasconez, Abby C King, Gabriel Chandler, Sally Mackey, Shawna Follis, Marcia L Stefanick
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Abstract

Purpose: Identify the effects of engagement with different intervention delivery channels on physical activity (PA), and the participant subgroups engaging with the different channels, among Women's Health Initiative Strong and Healthy (WHISH) PA trial participants.

Design: Secondary analysis of data from WHISH, a pragmatic trial that used passive randomized consent.

Setting: United States (remote intervention in all 50 states).

Sample: 18,080 U.S. women, aged 68-99 years, assigned to the WHISH PA intervention arm.

Measures: 6 dichotomous variables operationalized engagement: Engagement with Targeted Inserts, Email (opened), Email (clicked links), Website (logging in), Website (tracking), Interactive Voice Response (IVR). PA was measured using the CHAMPS PA questionnaire.

Analysis: Linear regressions evaluated effects of engagement on PA. Conditional Inference Trees identified subgroups of participants engaging with different channels based on demographic and psychosocial variables.

Results: Engagement with each channel, except IVR, was associated with significantly more hours/week of PA (square root coefficients .29 - .13, P values <.001). Consistently across channels, features that identified subgroups of participants with higher engagement included younger age, and higher levels of PA and physical function. Subgroups with the highest engagement differed from those with the lowest in most participant characteristics.

Conclusions: For equitable population-level impact via large-scale remotely-delivered PA programs, it may be necessary to identify strategies to engage and target harder to reach subgroups more precisely.

Clinical trial registration: The WHISH trial is registered at ClinicalTrials.gov (No. NCT02425345).

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美国老年妇女参与远程交付渠道的体育锻炼干预。
目的:在 "妇女健康倡议:强壮与健康"(WHISH)体育锻炼试验参与者中,确定参与不同干预渠道对体育锻炼(PA)的影响,以及参与不同渠道的参与者亚群:设计:对WHISH数据的二次分析,WHISH是一项采用被动随机同意的实用性试验:样本:18,080 名美国妇女,年龄在 68-99 岁之间,被分配到 WHISH PA 干预组:6个二分变量对参与度进行操作:参与目标广告、电子邮件(打开)、电子邮件(点击链接)、网站(登录)、网站(跟踪)、交互式语音应答(IVR)。PA 采用 CHAMPS PA 问卷进行测量:线性回归评估了参与对 PA 的影响。条件推理树根据人口统计学和社会心理变量确定了参与不同渠道的参与者亚群:结果:除 IVR 外,每个渠道的参与都与更多的每周 PA 小时数相关(平方根系数为 0.29 - 0.13,P 值 结论:要通过大规模活动在人群中产生公平的影响,需要对参与渠道进行评估:要想通过大规模远程提供的PA项目对人群产生公平的影响,可能有必要确定一些策略,以更精确地吸引和锁定较难接触到的亚群体:WHISH试验已在ClinicalTrials.gov网站注册(编号:NCT02425345)。
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来源期刊
American Journal of Health Promotion
American Journal of Health Promotion PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-
CiteScore
4.40
自引率
3.70%
发文量
184
期刊介绍: The editorial goal of the American Journal of Health Promotion is to provide a forum for exchange among the many disciplines involved in health promotion and an interface between researchers and practitioners.
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