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. 2022 Jan 6;22:27. doi: 10.1186/s12889-021-12410-3

Table 3.

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

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

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)