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开发和验证基于超理论模型的青少年微量营养素问卷:心理测量属性
Priyanka Pareek1, Aparna Thorat1, Chethana Chandrasekar1
1Department of Clinical Nutrition, MGM School of Biomedical Sciences, Mahatma Gandhi Mission Institute of Health Sciences (MGMIHS), Navi Mumbai, Maharashtra, India.
Journal of education and health promotion
|February 2, 2026
概括
基于跨理论模型 (TTM) 的新问卷有效评估了青少年女孩的饮食微量营养素行为变化. 这种经过验证的工具有助于开发有针对性的营养干预措施,以改善健康结果.
科学领域:
- 营养科学 营养科学
- 行为科学 行为科学
- 心理测量 心理测量 心理测量
背景情况:
- 超理论模型 (TTM) 是一种广泛使用的框架,用于理解和影响行为变化.
- 评估青少年女孩的饮食微量营养素摄入行为对于公共卫生至关重要.
- 现有的工具可能无法充分捕捉与此人口中的微量营养素相关的行为变化的细微差别.
研究的目的:
- 开发和验证一个基于跨理论模型 (TTM) 的问卷.
- 评估青少年女孩关于其饮食微量营养素摄入量的行为变化.
- 为干预设计提供一个心理测量健全的仪器.
主要方法:
- 基于TTM构造,开发了一个由36项组成的问卷:变化阶段,变化过程,自我有效性和决策平衡.
- 专家小组和参与者评估了内容和面部有效性.
- 确认因素分析 (CFA) 评估了构造有效性,而克伦巴赫的α和类内相关系数 (ICC) 评估了可靠性和稳定性.
主要成果:
- 内容有效性指数分数在0.8-1之间,这表明专家之间存在强烈共识.
- 面部验证证实的项目对青少年参与者来说清晰易懂.
- 在CFA中,表现出很好的模型匹配 (CFI=0.99,GFI=0.88-0.951,RMSEA=0.039-0.069).
- 通过可接受的克朗巴赫α (0.737-0.953) 和ICC (0.737-0.845) 值证实了可靠性.
结论:
- 开发的基于TTM的问卷表现出强大的心理测量特性,包括有效性和可靠性.
- 这种经过验证的仪器适用于评估与青少年女孩的微量营养素摄入相关的行为变化.
- 该问卷可以为为这一群体制定量身定制的营养干预计划提供信息.
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