Association of insomnia with quality of life, work productivity, and activity impairment |
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Authors: | Susan C Bolge Justin F Doan Hema Kannan Robert W Baran |
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Institution: | (1) Consumer Health Sciences, 1 Independence Way., Suite 220, Princeton, NJ 08540, USA;(2) Takeda Global Research and Development Center, Deerfield, IL, USA |
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Abstract: | Purpose To assess the association of insomnia with health-related quality of life (HRQOL), work productivity, and activity impairment.
Methods Data were obtained from the 2005 US National Health and Wellness Survey. Subjects were assigned to the insomnia group (diagnosed
insomnia experienced at least a few times a month) or the noninsomnia group (no insomnia or sleep symptoms). HRQOL was assessed
using the short form 8 (SF-8) (mental and physical scores). The work productivity and activity impairment questionnaire (WPAI)
assessed absenteeism (work time missed), presenteeism (impairment at work), work productivity loss (overall work impairment),
and activity impairment. Linear regression models were used to control for potential confounders.
Results A total of 19,711 adults were evaluated (5,161 insomnia, 14,550 noninsomnia). Subjects in the insomnia group had significantly
lower SF-8 physical (−5.40) and mental (−4.39) scores and greater activity impairment scores (+18.04) than subjects in the
noninsomnia group (P < 0.01 for all). Employed subjects in the insomnia group had greater absenteeism (+6.27), presenteeism (+13.20), and work
productivity loss (+10.33) scores than those in the noninsomnia group (P < 0.01 for all).
Conclusions Insomnia is significantly associated with poorer physical and mental quality of life and work productivity loss and activity
impairment. |
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Keywords: | Insomnia Health-related quality of life Work impairment Absenteeism |
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