Sustaining sleep: Results from the randomized controlled work, family, and health study

Tori L. Crain, Leslie B. Hammer, Todd Bodner, Ryan Olson, Ellen Ernst Kossek, Phyllis Moen, Orfeu M. Buxton

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


Although calls for intervention designs are numerous within the organizational literature and increasing efforts are being made to conduct rigorous randomized controlled trials, existing studies have rarely evaluated the long-term sustainability of workplace health intervention outcomes, or mechanisms of this process. This is especially the case with regard to objective and subjective sleep outcomes. We hypothesized that a work-family intervention would increase both self-reported and objective actigraphic measures of sleep quantity and sleep quality at 6 and 18 months post-baseline in a sample of information technology workers from a U.S. Fortune 500 company. Significant intervention effects were found on objective actigraphic total sleep time and self-reported sleep insufficiency at the 6- and 18-month follow-up, with no significant decay occurring over time. However, no significant intervention effects were found for objective actigraphic wake after sleep onset or self-reported insomnia symptoms. A significant indirect effect was found for the effect of the intervention on objective actigraphic total sleep time through the proximal intervention target of 6-month control over work schedule and subsequent more distal 12-month family time adequacy. These results highlight the value of long-term occupational health intervention research, while also highlighting the utility of this work-family intervention with respect to some aspects of sleep.

Original languageEnglish (US)
Pages (from-to)180-197
Number of pages18
JournalJournal of occupational health psychology
Issue number1
StatePublished - Feb 2019

All Science Journal Classification (ASJC) codes

  • Applied Psychology
  • Public Health, Environmental and Occupational Health


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