一个体力活动和坐时间平衡指数和全因死亡风险指数
Roslin Botlero1, Parneet Sethi2, Danijela Gasevic3
1School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.
American journal of preventive medicine
|July 25, 2024
概括
通过PASTBI指数测量体力活动 (PA) 和坐时间 (ST) 之间的不良平衡与澳大利亚成年人全因死亡风险增加有关. 实现更健康的平衡对于长寿至关重要.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 生活方式 医学 医疗
背景情况:
- 久坐不动的行为和体力活动 (PA) 水平是关键的健康决定因素.
- 在PA和久坐行为 (SB) 之间保持更健康的平衡是众多健康益处的倡导.
- 在PA和SB之间的相互作用需要进一步调查关于死亡风险.
研究的目的:
- 引入体力活动和坐时间平衡指数 (PASTBI) 作为风险识别工具.
- 检查澳大利亚成年人PASTBI和全因死亡率之间的关联.
- 评估PA/SB平衡与死亡风险之间的关系.
主要方法:
- 使用澳大利亚糖尿病,肥胖和生活方式 (AusDiab) 研究数据的前性队列研究 (n=5,836).
- PASTBI计算为PA持续时间 (分钟/天) 分于坐时间 (ST) 持续时间 (小时/天).
- 调整了因混因素而调整的考克斯比例危险模型被用于探索死亡率关联.
主要成果:
- 在持续14.3年的中位数随访期间,死亡人数为885人 (15%).
- 最低PASTBI四分位数 (低PA/高ST) 的参与者与最高四分位数 (高PA/低ST) 相比,具有47%的全因死亡风险.
- 在完全调整后,最低与最高的PASTBI四分位数的危险比率 (95% CI) 为1.47 (1.21-1.79).
结论:
- 身体活动和坐着时间之间的不太有利的平衡,以较低的PASTBI得分表明,与所有原因死亡风险的增加显著相关.
- 该PASTBI指数提供了一种节的方法来识别处于更高风险的个人.
- 促进更好的平衡PA和减少ST可能是一个关键的公共卫生战略.
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