Relative risk of ovarian cancer in relation to height and BMI in various subgroups of women.

<p>Relative risk¹ (RR¹) is stratified by study, age at diagnosis, parity, menopausal status/hysterectomy, body mass index, duration of oral contraceptive use, and ever use of hormone therapy (HT). Relative risk² (RR²) is stratified by study, age at diagnosis, parity, menopausal status/hysterectomy, height, duration of oral contraceptive use, and ever use of hormone therapy. ^† numbers do not always add to the total because of missing values; ^‡ never-user of hormone therapy. Case–control studies with hospital controls are excluded. The dotted line represents the overall result for all women. SE, standard error.