Changes in Vitamin D Status in Overweight Middle-Aged Adults with or without Impaired Glucose Metabolism in Two Consecutive Nordic Summers

Table 3

Determinants of vitamin D (nmol/l) identified by multivariate regression analysis in 150 subjects. The overall R² for the model was 0.13.

Variable	RC	value
Fat (kg)	−0.27	0.003
Vitamin D supplementation	0.20	0.013
Age	0.61	0.460
Sex	−0.14	0.117
Glucose metabolism; NGT/IGT/T2DM	0.09	0.288
Fish intake per week	0.13	0.115

R²: explanatory value of the model; RC: standardized regression coefficient.