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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.