The role of group cohesion in a group-based behavioral weight loss intervention.

The role of group cohesion in a group-based behavioral weight loss intervention.
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DOI:
10.1007/s10865-018-9953-4
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发表时间:
2019-03
影响因子:
3.1
通讯作者:
Voils CI
Voils CI
中科院分区:
心理学3区
文献类型:
--
作者:
Taylor SS;Olsen MK;McVay MA;Grubber J;Gierisch JM;Yancy WS Jr;Voils CI

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行为减肥干预措施通常是在群体中提供的;群体凝聚力可以提高计划的出勤率,从而减轻体重。在这个次要分析中,我们的目标是:1a)评估在行为减肥干预中早期测量的群体凝聚力是否预测了计划的出勤率和减肥结果,如果是这样,1b)探索出勤率是否介导了群体凝聚力和减肥之间的联系; 2)描述整个干预过程中群体凝聚力变化和减肥之间的关联。504退伍军人发起了一个为期16周的,基于团体的行为减肥计划,包括每两周一次的面对面团体访问。在线性回归模型中,早期群体凝聚力与群体出勤率或体重减轻无关。虽然在干预过程中群体凝聚力显著增加,但这种变化与体重减轻无关。这些发现与有限的文献是一致的,但是,他们是不一致的理论主张和临床观察组因素对结果的影响。
Behavioral weight loss interventions are often delivered in groups; group cohesion may enhance program attendance and, thereby, weight loss. In this secondary analysis, our goals were to: 1a) assess whether group cohesion measured early in a behavioral weight loss intervention predicts program attendance and weight loss outcomes and, if so, 1b) explore whether attendance mediates the link between group cohesion and weight loss; 2) characterize the association between change in group cohesion and weight loss throughout the intervention. 504 Veterans initiated a 16-week, group-based behavioral weight loss program involving biweekly in-person group visits. In linear regression models, early group cohesion was unrelated to group attendance or weight loss. Although group cohesion significantly increased during the intervention, this change was not associated with weight loss. These findings are consistent with the limited literature; however, they are inconsistent with theoretical assertions and clinical observations of the influence of group factors on outcomes.
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