Race and Financial Strain are Independent Correlates of Sleep in Midlife Women: The SWAN Sleep Study

• DOI: 10.5665/sleep/32.1.73
• Publication Date: 2017-09-07T06:52:55Z
• Authors: Martica H. Hall; Karen A. Matthews; Howard M. Kravitz; Ellen B. Gold; Daniel J. Buysse; Joyce T. Bromberger; Jane F. Owens; MaryFran Sowers
• Keywords: Sleep; Sleep Stages

To examine racial differences in sleep a large cohort of midlife women and to evaluate whether indices socioeconomic status (SES) are associated with sleep. Cross-sectional study. Participants' homes. Caucasian (n = 171), African American 138) Chinese 59). None. Sleep quality was assessed the Pittsburgh Quality Index. Polysomnographically duration, continuity, architecture, NREM electroencephalograhic (EEG) power were calculated over multiple nights. disordered breathing periodic leg movements measured on separate night. Linear regression analysis used model independent synergistic effects race SES after adjusting for other factors that impact women. Indices self-reported educational attainment financial strain. worse than participants as by self-report, visual stage scoring, EEG power. Slow wave also observed between participants. Racial persisted adjustment SES. Although unrelated sleep, strain decreased lower efficiency. Financial strain-by-race interactions not statistically significant, suggesting has additive race. Independent relationships despite statistical might account these relationships. Results do suggest moderate race-sleep relationship, perhaps due too few low