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Comparative Study
. 2008 May;70(4):410-6.
doi: 10.1097/PSY.0b013e31816fdf21.

Influence of race and socioeconomic status on sleep: Pittsburgh SleepSCORE project

Elizabeth J Mezick  1 , Karen A Matthews, Martica Hall, Patrick J Strollo Jr, Daniel J Buysse, Thomas W Kamarck, Jane F Owens, Steven E Reis
Affiliations
Comparative Study

Influence of race and socioeconomic status on sleep: Pittsburgh SleepSCORE project

Elizabeth J Mezick et al. Psychosom Med. 2008 May.

Erratum in

  • Psychosom Med. 2010 Apr;72(3):331

Abstract

Objective: To examine the independent and interactive effects of race and socioeconomic status (SES) on objective indices and self-reports of sleep.

Methods: The sleep of 187 adults (41% black; mean age = 59.5 +/- 7.2 years) was examined. Nine nights of actigraphy and two nights of inhome polysomnography (PSG) were used to assess average sleep duration, continuity, and architecture; self-report was used to assess sleep quality. Psychosocial factors, health behaviors, and environmental factors were also measured.

Results: Blacks had shorter sleep duration and lower sleep efficiency, as measured by actigraphy and PSG, and they spent less time proportionately in Stage 3-4 sleep, compared with others (p < .01). Lower SES was associated with longer actigraphy-measured latency, more wake after sleep onset as measured by PSG, and poorer sleep quality on the Pittsburgh Sleep Quality Index (p < .05).

Conclusions: Blacks and perhaps individuals in lower SES groups may be at risk for sleep disturbances and associated health consequences.

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