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Table 2 Vitamin D concentration as the outcome based on univariable and multivariable linear regression analyses (beta-estimates with 95% confidence levels) – sample with Turkish background

From: Serum vitamin D levels in Berliners of Turkish descent –a cross-sectional study

Effect (Vitamin D level)
  Univariable Analysis Multivariable Analysisa
  Beta Estimates p Beta Estimates n = 530 p
Age (linear variable) (N = 537) −0.1 0.035 Not included in final model
Sex: male vs. female (N = 537) 0.4 0.721 0.9 0.452
Education:
< 10 years vs ≥10 years (N = 473)
−2.2 0.078 Not included in final model
BMI: normal weight vs. overweight/obesity (N = 530) 3.8 0.005 3.7 0.005
Physical activity:
≥150 min/d vs < 150 min/d (N = 537)
5.0 0.006 4.8 0.008
Smoking Status: never−/ex-smokers vs. smokers (N = 519) −1.22 0.308 Not included in final model
Chronic disease: at least one vs none (N = 479) −1.3 0.29 Not included in final model
Alcohol consumption: never or moderate vs. hazardous (N = 464) −7.26 0.30 Not included in final model
  1. aStepwise backward elimination (based on p = 0.2)