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Table 1 Sample sizes of Black and White Women by Study Component of the Study of Women’s Health Across the Nation

From: Disparities in Reproductive Aging and Midlife Health between Black and White women: The Study of Women’s Health Across the Nation (SWAN)

Study Component Black Women White Women
Cohort 935 1550
Ancillary Studies
 SWAN Heart 382 226
 SWAN Sleep 139 172
SWAN Mental Health
  Cross-sectional 247 514
  Longitudinal 146 277
 Childhood Context 506 603