Figure 1.

Forest plot of endometriosis by study and race. Adjusting for age at diagnosis, education, parity, oral contraceptive duration, body mass index, smoking status, tubal ligation, family history of breast or ovarian cancer, menopausal status, postmenopausal hormone duration, age at menarche, and premenopausal hysterectomy. AACES, African American Cancer Epidemiology Study; BWHS, Black Women’s Health Study; CCCCS, Cook County Case Study; NCOCS, North Carolina Ovarian Cancer Study; LACOCS, Los Angeles County Ovarian Cancer Study.