Racial/ethnic disparities in women’s sleep duration, continuity, and quality, and their statistical mediators: Study of Women’s Health Across the Nation

To describe racial/ethnic differences in sleep duration, continuity, and perceived sleep quality in postmenopausal women and to identify statistical mediators of differences in sleep characteristics. Recruited from the observational Study of Women’s Health Across the Nation (SWAN), 1,203 (548 white, 303 black, 147 Chinese, 132 Japanese, and 73 Hispanic; mean age 65 years, 97% postmenopausal) women participated in a week-long actigraphy and daily...