The mediating role of social support in behavioral changes and weight loss outcomes among overweight Appalachian adults.

IF 2.8 3区 医学 Q2 PSYCHOLOGY, CLINICAL
Journal of Behavioral Medicine Pub Date : 2025-04-01 Epub Date: 2025-02-09 DOI:10.1007/s10865-025-00555-0
Xiaochen Zhang, Abigail Shoben, Ashley S Felix, Brian C Focht, Ryan D Baltic, Electra D Paskett
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Abstract

Social support plays a key role in behavioral changes, especially in Appalachian populations. We examined the mediating effect of social support in behavioral changes and corresponding weight loss outcomes among Appalachian adults. Data were from a group-randomized trial that compared a 12-month faith-based weight loss intervention to an active control group among overweight Appalachian adults in churches. Participants from the weight loss intervention who completed the 12-month assessment were the focus of this analysis. Baseline and 12-month data on weight, social support for eating habits (SSEH) and physical activity (SSPA) from family, friends, and church family, physical activity, and dietary intake were collected. Logistic and linear regression models evaluated mediating effects of SSEH and SSPA on the association between intervention attendance and behavioral changes and corresponding weight loss outcomes. Most participants (n = 243) were female (76.2%), white (97.5%), and married or living with a partner (81.2%). After the 12-month intervention, participants lost weight (1.1 ± 0.3 kg), increased fruit and vegetable intake (0.4 ± 0.1servings/day), reduced caloric intake (322.9 ± 42.2 kcal/day), improved SSEH from family, and increased SSPA from the church family (all P < 0.05). Increased SSEH from family mediated 62% of the association between intervention attendance and fruit and vegetable servings per day. Each 100 kcal decrease in caloric intake was associated with decreased weight and BMI at 12-months (0.2 ± 0.1 kg, P = 0.003; 0.1 ± 0.02 kg/m2, P = 0.002). Our study demonstrated the mediation effect of social support for healthy eating on the association between intervention attendance and fruit and vegetable intake, which underscored the critical role of social support and calorie intake among Appalachian populations in losing weight. The study was pre-registered at clinicaltrials.gov (#NCT02121691).

社会支持在阿巴拉契亚地区超重成人行为改变和减肥结果中的中介作用。
社会支持在行为改变中起着关键作用,尤其是在阿巴拉契亚地区的人群中。我们研究了社会支持在阿巴拉契亚成年人的行为改变和相应的减肥结果中的中介作用。数据来自一组随机试验,该试验比较了在教堂里的超重的阿巴拉契亚成年人中进行的为期12个月的基于信仰的减肥干预和积极的对照组。完成12个月评估的减肥干预组参与者是本分析的重点。收集了基线和12个月的体重、来自家人、朋友和教会家庭的饮食习惯社会支持(SSEH)和身体活动(SSPA)、身体活动和饮食摄入量的数据。Logistic和线性回归模型评估了SSEH和SSPA在干预出勤与行为改变和相应减肥结果之间的关联中的中介作用。大多数参与者(n = 243)为女性(76.2%),白人(97.5%),已婚或与伴侣同居(81.2%)。经过12个月的干预,参与者体重减轻(1.1±0.3 kg),水果和蔬菜摄入量增加(0.4±0.1份/天),热量摄入减少(322.9±42.2 kcal/天),家庭SSEH改善,教会家庭SSPA增加(均P = 0.002)。本研究证明了健康饮食的社会支持在干预出勤与水果和蔬菜摄入量之间的中介作用,这强调了社会支持和热量摄入在阿巴拉契亚人口减肥中的关键作用。该研究已在clinicaltrials.gov上预先注册(#NCT02121691)。
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来源期刊
Journal of Behavioral Medicine
Journal of Behavioral Medicine PSYCHOLOGY, CLINICAL-
CiteScore
5.70
自引率
3.20%
发文量
112
期刊介绍: The Journal of Behavioral Medicine is a broadly conceived interdisciplinary publication devoted to furthering understanding of physical health and illness through the knowledge, methods, and techniques of behavioral science. A significant function of the journal is the application of this knowledge to prevention, treatment, and rehabilitation and to the promotion of health at the individual, community, and population levels.The content of the journal spans all areas of basic and applied behavioral medicine research, conducted in and informed by all related disciplines including but not limited to: psychology, medicine, the public health sciences, sociology, anthropology, health economics, nursing, and biostatistics. Topics welcomed include but are not limited to: prevention of disease and health promotion; the effects of psychological stress on physical and psychological functioning; sociocultural influences on health and illness; adherence to medical regimens; the study of health related behaviors including tobacco use, substance use, sexual behavior, physical activity, and obesity; health services research; and behavioral factors in the prevention and treatment of somatic disorders.  Reports of interdisciplinary approaches to research are particularly welcomed.
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