对老年人身体活动时间序列的PEER干预的有效性使用光滑 ANOVA
Yi Liu1, Chang Liu1, Liqiang Ni1
1Department of Statistics and Data Science, University of Central Florida, Orlando, FL 32816, USA.
概括
物理背部运动计划 (PEER) 在短期内改善了老年人的身体活动,但随着时间的推移,益处逐渐减少. 需要进一步的策略来维持这些身体活动的改善,以预防跌倒.
科学领域:
- 老年学是指老年学的学科.
- 公共卫生 公共卫生
- 运动科学 运动科学
背景情况:
- 跌倒是老年人受伤的重要原因之一.
- 身体背部运动计划 (PEER) 旨在通过一系列干预措施来降低跌倒风险.
- PEER对体力活动 (PA) 的长期影响需要进一步研究.
研究的目的:
- 评估PEER计划在提高老年人身体活动水平的有效性,即时和随着时间的推移.
- 探索PEER计划引起的体育活动变化的可持续性.
主要方法:
- 这是一项集群随机化研究,涉及64名社区老年人.
- 参与者戴着Fitbit追踪器收集时间序列体育活动数据.
- 使用平滑斜线方差分析 (SSANOVA) 的功能时间序列分析用于分析活动模式.
主要成果:
- 在短期内,PEER参与者表现出非常活跃的时间显著增加,久坐行为减少.
- 改善包括在干预期间平均每天减少6.7%的久坐时间和2.8%的非常活跃时间.
- 这些对体力活动的积极影响在15周的随访期间减少.
结论:
- 在老年人中,PEER计划有效地提高了身体活动,并减少了长期的久坐行为.
- 需要制定战略,以确保PEER所启动的体育活动效益能够长期维持.
- 公共卫生倡议应侧重于技术辅助的跌倒风险评估和促进体育活动和安全的社区计划.
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