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Table 2 ORs for the prevalence of hypertension in postmenopausal women according to past use of OC

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

 

No. (n = 2713)

 < 30 months (n = 489)

 ≥ 30 months (n = 184)

  

OR (95%CI)

P value

OR (95%CI)

P value

Model 1

1 (ref)

1.10 (0.86–1.40)

0.457

2.18 (1.53–3.12)

 < 0.001

Model 2

1 (ref)

1.04 (0.81–1.34)

0.746

2.11 (1.31–3.42)

0.002

Model 3

1 (ref)

1.05 (0.80–1.37)

0.166

1.75 (1.12–2.74)

0.021

  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)