怀孕期间的体力活动:支持干预的关键信念
Laurence Simard1, Stéphanie Girard1, Jean Lemoyne1
1Department of Human Kinetics, Université du Québec à Trois-Rivières, Trois-Rivières, Canada.
Health psychology and behavioral medicine
|March 3, 2025
概括
计划行为理论 (TPB) 预测了孕妇产前身体活动 (PA). 干预措施应侧重于特定的信念,例如在精神上感觉更好,以及社会支持,以提高对中度至剧烈体力活动 (MVPA) 的意图.
科学领域:
- 行为科学 行为科学
- 公共卫生 公共卫生
- 孕产妇健康 孕产妇健康
背景情况:
- 身体活动 (PA) 提供了显著的孕产妇和胎儿健康益处.
- 只有27.5%的加拿大孕妇符合推的PA指南.
- 基于理论的干预,如计划行为理论 (TPB),可以解释行为驱动因素.
研究的目的:
- 验证TPB模型用于预测产前中度至强度体力活动 (MVPA).
- 检查意图和感知行为控制 (PBC) 在产前MVPA之间的相互作用效应.
- 确定预测对产前MVPA的意图的特定信念,以告知干预策略.
主要方法:
- 对193名健康的孕妇进行前性相关设计.
- 电子问卷评估了基线TPB构造和一个月后的MVPA.
- 结构方程建模,包括潜伏调节结构方程,分析了数据.
主要成果:
- 意图和PBC极小地预测了MVPA,但它们的相互作用显著增加了模型预测 (R2从20%增加到44%).
- 意图和MVPA之间的积极关系在高PBC时更为强烈.
- 态度,主观规范和PBC显著预测了MVPA的意图 (R2=88%),特定的行为,规范和控制信念间接影响了意图.
结论:
- 促进产前MVPA的干预措施应针对已识别的信念来增强意图.
- 关键信念包括:减少疲劳,改善心理健康,获得社会认可,以及管理疲劳/社会支持.
- 了解这些信念可以优化干预措施,以增加孕妇群体的PA.
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