Adjusted prevalence difference and 95% confidence interval for hypertension by body mass index (BMI) and parental history of hypertension status in Chinese middle-aged adults (40–71 years)
Models adjusted to the mean age, cigarettes (smoked), alcohol consumed (g/d), and distribution of gender and field center. Prevalence differences were computed using a BMI of 18.5 kg/m2 as the referent.