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Table 2 Multiple linear regression analysis for plasma 25(OH)D (ng/mL)

From: Vitamin D deficiency in girls from South Brazil: a cross-sectional study on prevalence and association with vitamin D receptor gene variants

25(OH)D vs. independent variables Coefficient (B) ± SE p r2
Model 1    
Season −0.082 ± 1.249 0.948 0.074
Age (years) 0.469 ± 0.225 0.038  
*BMI percentile −0.004 ± 0.015 0.804  
BsmI GG vs. GA + AA 3.114 ± 0.881 <0.001  
Model 2    
Season −0.149 ± 1.270 0.907 0.043
Age (years) 0.518 ± 0.228 0.024  
*BMI percentile −0.005 ± 0.016 0.739  
ApaI GG vs. GT + TT 2.575 ± 1.189 0.031  
Model 3    
Season −0.131 ± 1.261 0.917 0.056
Age (years) 0.497 ± 0.227 0.030  
*BMI percentile −0.005 ± 0.015 0.732  
TaqI TT vs. TC + CC 2.505 ± 0.890 0.005  
Model 4    
Season −0.115 ± 1.268 0.928 0.044
Age (years) 0.510 ± 0.228 0.027  
*BMI percentile −1.098 ± 1.382 0.428  
Ht1 haplotype vs. Ht1/0 + 0/0 2.632 ± 1.218 0.032  
  1. * Log10 transformation.