The standardized regression coefficients of serum C-peptide level for total body and regional bone mineral density from multiple regression analysis stratified by serum insulin level a.

β coefficients are adjusted for age, sex, ethnicity, height, weight, education level, physical activity, smoking status, alcohol use, triglycerides and creatinine level. Model 1, the Model 2, additionally adjusted for the fasting plasma glucose. Model 3, additionally adjusted for the serum alkaline phosphatase. Slopes of regression significant at the Slopes of regression significant at the Slopes of regression significant at the = 4,359.a Fasting serum insulin, n