The aim of this study was to explore how the level of shiftwork exposure during an individual's working life might be related to subjectively reported sleep quality and timing during retirement. Telephone interviews regarding past employment and sleep timing and quality (among other variables) were conducted using a pseudo-random age-targeted sampling process. Subjective sleep quality was assessed using a telephone version of the Pittsburgh Sleep Quality Index. Timing of reported habitual bedtimes and rise-times were assessed using the Sleep Timing Questionnaire. Questions measuring morningness and subjective health were also given. Retired seniors (aged >65 years, n = 1113) were studied. Analysis was by analysis of variance, with shiftwork exposure in three bins [0 (n = 387), 1-15 (n = 371) and >15 years (n = 355)], gender (n = 634 male, 479 female) and former occupation [in two broad categories, 'managerial' (n = 437) versus 'other' (n = 676)] as factors. In retired shiftworkers, relative to retired day workers, past exposure to shiftwork was associated with higher (worse) PSQI scores by 1.0 units (1-15 years) and 0.6 units (>15 years) (main effect P = 0.005). There were also main effects of gender and former occupation (males and managerials reporting better sleep), but neither variable interacted with shiftwork exposure. The timing of current mean habitual bedtimes and rise-times (and also the variance around them) were very similar for the three shiftwork exposure groups. The shiftwork exposure effect did not appear to be mediated by either morningness or current health. Prior exposure to shiftwork would appear to be related to currently reported sleep problems during retirement.

译文

:这项研究的目的是探讨个人工作生活中的轮班暴露水平可能与主观报告的睡眠质量和退休时间有关。使用伪随机针对年龄的抽样过程,就过去的工作,睡眠时间和质量(以及其他变量)进行了电话采访。使用匹兹堡睡眠质量指数的电话版本评估主观睡眠质量。使用睡眠时间问卷评估报告的习惯就寝时间和上升时间的时间。还提出了衡量早晨和主观健康的问题。研究了退休的老年人(年龄> 65岁,n = 1113)。通过方差分析进行分析,三个班次中有轮班工作暴露[0(n = 387),1-15(n = 371)和> 15岁(n = 355)],性别(n = 634男性,479女性)和以前的职业[分为两大类,“管理”(n = 437)与“其他”(n = 676)]作为因素。在退休的轮班工人中,相对于退休的日工,过去的轮班暴露与较高的(较差的)PSQI分数相关(1.0单位(1-15年)和0.6单位(> 15年))(主要影响P = 0.005)。性别和以前的职业也有主要影响(男性和管理人员报告了更好的睡眠),但没有变量与轮班工作发生相互作用。对于三个轮班暴露组,当前平均习惯就寝时间和上升时间(以及周围的变化)的时间安排非常相似。轮班暴露的影响似乎不是由早晨或目前的健康介导的。先前接触轮班工作似乎与目前报告的退休期间的睡眠问题有关。

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