Fig. 2From: U-shaped association between serum 25-hydroxyvitamin D concentrations and urinary leakage among adult females aged 45 years and over in the United States: a cross-sectional studyAssociation between serum 25(OH)D concentrations and urinary leakage (UL). Adjusted for sociodemographic variables (including age, race, education, income and BMI), drink, smoke, diabetes, hypertension, hyperlipidemia, pregnant and vaginal deliveries history. Grey area indicates the 95% confidence intervalBack to article page