Hazard ratios (HRs) for developing breast cancer in relation to metabolic syndrome and number of metabolic syndrome components.

<p>¹Stratified by age (5-year classes) and centre.</p><p>²Adjusted for menopausal status (whole cohort model only), number of full-term pregnancies, age at menarche, smoking status, education, physical activity, and alcohol intake; stratified by age (5-year classes) and centre.</p><p>³P for interaction between metabolic syndrome and menopausal status.</p><p>Hazard ratios (HRs) for developing breast cancer in relation to metabolic syndrome and number of metabolic syndrome components.