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Age differences in workplace intervention effects on employees' nighttime and daytime sleep.

ABSTRACT: OBJECTIVES:To examine the effects of a workplace flexibility/support intervention on employees' sleep quantity and quality during nights and days and whether the effects differ by employee age. DESIGN:Cluster-randomized controlled trial. SETTING:Information technology industry workplaces. PARTICIPANTS:US employees (Mage = 46.9 years) at an information technology firm who provided actigraphy at baseline and a 12-month follow-up (N = 396; n = 195 intervention, n = 201 control). INTERVENTION:The Work, Family, and Health Study intervention aimed to increase workplace flexibility and support. The intervention consisted of facilitated discussions to help employees increase control over when and where they work as well as manager-specific training sessions to increase manager support for employees' work-family issues. MEASUREMENTS:Nighttime sleep duration, wake after sleep onset (WASO), and nap duration were measured with wrist actigraphy. Day-to-day variability in these variables (min2) was also estimated. RESULTS:Intervention employees increased nighttime sleep duration at 12 months, by 9 minutes per day, relative to control employees. There were interaction effects between the intervention and age on daytime nap duration and day-to-day variability in WASO. Older employees (56-70 years) in the intervention condition decreased nap duration at 12 months relative to older employees in the control condition. Older employees in the intervention condition also exhibited a greater decrease in day-to-day variability of WASO at 12 months compared with their baseline. CONCLUSIONS:The workplace flexibility/support intervention was effective in enhancing employees' sleep health by increasing nighttime sleep duration. Furthermore, the intervention was particularly effective for older employees in decreasing their daytime nap duration and day-to-day variability in WASO.

SUBMITTER: Lee S

PROVIDER: S-EPMC5241086 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Age differences in workplace intervention effects on employees' nighttime and daytime sleep.

Lee Soomi S Almeida David M DM Berkman Lisa L Olson Ryan R Moen Phyllis P Buxton Orfeu M OM

Sleep health 20161201 4

<h4>Objectives</h4>To examine the effects of a workplace flexibility/support intervention on employees' sleep quantity and quality during nights and days and whether the effects differ by employee age.<h4>Design</h4>Cluster-randomized controlled trial.<h4>Setting</h4>Information technology industry workplaces.<h4>Participants</h4>US employees (<i>M</i><sub>age</sub> = 46.9 years) at an information technology firm who provided actigraphy at baseline and a 12-month follow-up (N = 396; n = 195 inte ...[more]

PMID: 28105463

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Project description:ObjectiveTo assess whether postpartum hemorrhage management or subsequent morbidity differs based on whether delivery occurred during the day or night.MethodsWe conducted a secondary analysis of a multicenter observational obstetric cohort of more than 115,000 mother-neonate pairs from 25 hospitals (2008-2011). This analysis included women delivering singleton or twin births who experienced postpartum hemorrhage (estimated blood loss greater than 500 cc for vaginal delivery, estimated blood loss greater than 1,000 cc for cesarean delivery, or documented treatment for postpartum hemorrhage). Nighttime delivery was defined as that occurring between 8 PM and 6 AM. The primary outcome was a composite of maternal morbidity (death, hysterectomy, intensive care unit admission, transfusion, or unanticipated procedure for bleeding). Secondary outcomes included estimated blood loss, uterotonic use, and procedures to treat bleeding that occurred during the postpartum hospitalization. Multivariable logistic, linear, quantile, and multinomial regression models were used to assess associations between nighttime delivery and outcomes, adjusting for potential patient-level confounders and hospital as a fixed effect.ResultsIn total, 2,709 (34.2%) of 7,917 women with postpartum hemorrhage delivered at night. Women who delivered at night were younger, had a lower body mass index, and were more likely to have government-sponsored insurance, be nulliparous, have hypertension, use neuraxial analgesia, and deliver vaginally. After adjusting for potential confounders, the primary composite outcome of maternal morbidity was similar regardless of night compared with day delivery (15.5% night vs 17.5% day; adjusted odds ratio 0.89, 95% CI 0.77-1.03). Some secondary outcomes, including mean EBL, frequency of uterotonic use, and time from delivery to first uterotonic dose, differed on unadjusted analyses, but these associations did not persist in multivariable analysis. The study had limited power to assess differences in uncommon outcomes.ConclusionNighttime delivery was not associated with significant differences in postpartum hemorrhage-related management or morbidity.

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Age differences in workplace intervention effects on employees' nighttime and daytime sleep.

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Age differences in workplace intervention effects on employees' nighttime and daytime sleep.

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