Fig. 2

Weighted logistic regression analysis of the association between serum chloride and MetS risk. Model 1: no covariate adjustment; Model 2: adjusted for age and sex; Model 3 was based on model 2 and plus ethnicity, education, ratio of family income to poverty (PIR), alcohol and smoke status, dietary energy, fat and cholesterol intakes, serum bicarbonate level, serum potassium level, serum sodium level, physical activity, eGFR and CVDs. Abbreviation: NHANES, national health and nutrition examination survey; BMI, body mass index; PIR, ratio of family income to poverty; MetS, metabolic syndrome; CVDs, cardiovascular diseases