在一次随机对照试验中,初级保健中对互联网减肥计划的动机,问责和结果
Caitlin E Martinez1, Brooke T Nezami1, Amy A Gorin2
1University of North Carolina at Chapel Hill, USA.
Journal of health psychology
|January 17, 2025
概括
较高的受控动机 (CM) 预测体重增加,而较高的相对自主指数 (RAI) 预测在互联网减肥计划中减肥. 自主动机 (AM) 并没有显著影响体重结果.
科学领域:
- 行为科学是一种行为科学.
- 健康心理学健康心理学
- 肥胖研究的研究.
背景情况:
- 了解动机因素对于有效的体重管理干预至关重要.
- 基于互联网的减肥计划提供了可扩展的解决方案,但需要持续的参与.
- 不同的动机类型在预测长期减肥结果中的作用仍然是研究领域.
研究的目的:
- 检查基线自主动机 (AM),控制动机 (CM) 和相对自主指数 (RAI) 是否预测12个月体重变化.
- 调查被认为的问责制,并研究作为潜在的主持人和调解人的参与.
- 为基于初级保健的减肥策略提供信息.
主要方法:
- 互联网减肥计划的三臂随机对照试验的二次分析.
- 用多个线性回归模型分析了来自428名参与者的数据,其中包括完整的数据.
- 对基线重量和相关共变量进行控制的分析.
主要成果:
- 基线CM增加1个单位预测体重增加0.57公斤 (p=0.015).
- 基线RAI增加1个单位预测体重减少0.52公斤 (p=0.019).
- 基线AM与12个月体重变化没有显著关联;没有检测到缓解或调解效应.
结论:
- 在初级保健减肥计划中,基线控制动机 (CM) 可能是体重增加的重要因素.
- 相对自主性指数 (RAI) 是减肥的预测指标.
- 未来的干预措施应该考虑解决和潜在地修改参与者的动机概况,特别是CM.
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