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Table 3 Association between duration of OC use and prevalence of hypertension (N = 3,386)

From: Association between past oral contraceptive use and the prevalence of hypertension in postmenopausal women: the fifth (2010–2012) Korea National Health and Nutrition Examination Survey (KNHANES V)

  Duration of OC use P-value
Model 1 1.008 (1.001–1.015) 0.029
Model 2 1.008 (1.002–1.013) 0.011
Model 3 1.006 (1.001–1.011) 0.015
  1. Model 1: unadjusted; model 2: adjusted for age and BMI; model 3: adjusted for age, BMI, education level, household income, smoking status, alcohol consumption, physical activity, current medical status (DM and dyslipidemia), and reproductive factors (age at menopause and number of pregnancies)