Skip to main content

Advertisement

Table 5 Results of a multiple linear regression analysis on determinants of serum 25(OH)D in men (n = 3,021)

From: Vitamin D status among adults in Germany – results from the German Health Interview and Examination Survey for Adults (DEGS1)

Variable B SE p-value
Intercept 33.634 3.351 0.000
Age (per year) 0.044 0.029 0.125
Season (ref. winter)    
 Spring 7.613 1.145 0.000
 Summer 29.455 1.244 0.000
 Autumn 19.454 1.081 0.000
Latitude (ref. 52°-54°)    
 47°-49° 5.769 1.088 0.000
 50°-51° −0.496 1.004 0.621
Vitamin D intake index (ref. low intake)    
 Intermediate intake 2.867 1.023 0.005
 Higher intake 3.289 0.979 0.001
Vitamin D supplement use 10.891 4.767 0.022
Body Mass Index (kg/m2) −0.337 0.095 0.000
Socio-economic status (ref. low)    
 Middle 1.228 1.113 0.270
 High −0.505 1.331 0.704
Sport activity (ref. no activity)    
 <2 h per week 6.773 0.974 0.000
 > = 2 h per week 10.692 1.068 0.000
Media use (ref. up to 1 h per day)    
TV, DVD, video    
 1- < 3 h −1.729 1.014 0.088
 > = 3 h −5.634 1.472 0.000
Computer, Internet, computer games, game consoles    
 1- < 3 h −2.153 0.956 0.024
 > = 3 h −6.422 1.429 0.000
Residential traffic    
Living near a road with…    
(ref. very little traffic)    
 Fair amount or quite a lot of traffic −2.469 0.891 0.006
 Heavy or extremely heavy traffic −1.978 1.085 0.068
corr. r2 = 0.274    
  1. 25(OH)D 25-hydroxy-vitamin D, ref. reference