Fig. 3

The association between dietary vitamin D intake and appendicular lean mass index. (a) Each black point represents a sample. (b) Solid red line represents the smooth curve fit between variables. Blue bands represent the 95% of confidence interval from the fit.
Age, race, menstrual status, educational level, body mass index, sedentary behavior, calcium supplement use, vitamin D supplement use, dietary energy, dietary protein, dietary calcium, and history of hypertension, diabetes, and cance were adjusted.