医学
危险系数
睡眠障碍
比例危险模型
队列
队列研究
置信区间
背痛
睡眠(系统调用)
前瞻性队列研究
儿科
物理疗法
内科学
精神科
失眠症
替代医学
病理
计算机科学
操作系统
作者
Leena Kaila-Kangas,Mika Kivimäki,Mikko Härmä,Hilkka Riihimäki,Ritva Luukkonen,Juhani Kirjonen,Päivi Leino-Arjas
出处
期刊:Spine
[Ovid Technologies (Wolters Kluwer)]
日期:2006-01-01
卷期号:31 (1): 51-56
被引量:66
标识
DOI:10.1097/01.brs.0000193902.45315.e5
摘要
A prospective cohort study.To study the relationship of sleep disturbances with severe back disorders leading to hospitalization.Sleep disturbances are associated with persistent pain syndromes, but little is known about their relationship with back disorders.The first hospital admission for back disorders from 1973 to 2000 was studied in a cohort of metal industry workers (n = 902). The occurrence of sleep disturbances at baseline was categorized as: none; 1 type (either difficulties in falling asleep/waking up at night or nightmares); or both types. Cox proportional hazards regression was used to estimate the time between the assessment of risk factors and first hospital admission for back disorders.Those individuals who had 1 type of sleep disturbance had a 2.1-fold (95% confidence interval 1.1-3.8) risk of back-related hospitalization, and those with both types of disturbance a 2.4-fold (1.2-4.6) risk, compared with those with no sleep disturbances. The hazard ratios were 2.1; 1.0-4.6 and 2.9; 1.2-7.1, respectively, when patients with chronic back disease or recurrent back symptoms at baseline were excluded from the analyses.These findings suggest that sleep disturbances are predictive of hospitalization for back disorders. The mechanism underlying this association warrants further study.
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