Examining Potential Psychosocial Mediators in a Physical Activity Intervention for Older Adults.
Examining Potential Psychosocial Mediators in a Physical Activity Intervention for Older Adults.
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DOI：
10.1177/0193945919871697
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发表时间：
2020-08
影响因子：
1.8
通讯作者：
Rothman AJ
中科院分区：
文献类型：
--
作者：
McMahon SK;Lewis B;Oakes JM;Wyman JF;Guan W;Rothman AJ
这项研究的目的是在先前的体力活动(PA)干预研究中检查作为潜在调节因素的心理社会结构。这项二次分析使用了102名老年人的数据，他们被随机分成四个条件之一--在2(人际策略：是，否)×2(个人内部策略：是，否)析因设计内。我们测试了干预对社会支持、自我效能感、自我调节和目标实现的影响，以及这些结构是否中介了对PA的干预效果。与没有接受人际策略干预的参与者相比，接受人际策略干预的参与者增加了他们的准备(干预后)、自我评估的自我调节子量表和目标实现(干预后，6个月)。与没有接受干预的参与者相比，接受了个人策略干预的参与者增加了来自家庭的社会支持(干预后)。没有统计上有意义的调解。为了了解干预增加老年人PA的机制并提高干预效果，研究人员应该继续检查潜在的心理社会中介因素。临床试验注册：NCT02433249。
The purpose of this study was to examine psychosocial constructs targeted as potential mediators in a prior physical activity (PA) intervention study. This secondary analysis used data from 102 older adults randomized to one of four conditions—within a 2 (Interpersonal Strategies: yes, no) × 2 (Intrapersonal Strategies: yes, no) factorial design. We tested intervention effects on social support, self-efficacy, self-regulation, and goal attainment, and whether these constructs mediated intervention effects on PA. Participants who received interventions with interpersonal strategies, compared to those who did not, increased their readiness (post-intervention), the self-regulation subscale of self-assessment, and goal attainment (post-intervention, 6-months). Participants who received interventions with intrapersonal strategies, compared to those who did not, increased their social support from family (post-intervention). There was no statistically significant mediation. To understand mechanisms through which interventions increase older adults’ PA and to improve intervention effectiveness, researchers should continue to examine potential psychosocial mediators. Clinical Trial Registry: NCT02433249.
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