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Table 8 Analysis of covariance for Gamma-glutamyl transpeptidase according to age, gender, anthropometric measures and tobacco and alcohol consumption (n = 1983)

From: Overweight, physical activity, tobacco and alcohol consumption in a cross-sectional random sample of German adults

Variable

Parameter estimate (U/I)

95% Confidence interval (U/I

p-value

Sex (male vs. female)

6.86

5.42; 8.30

< 0.001

Age (years)

0.14

0.08; 0.20

< 0.001

BMI (kg/m2)

0.48

0.34; 0.63

< 0.001

Physical activity "to break a sweat"

2.09

0.08; 3.49

0.004

Smoking current vs. none

2.07

0.01; 2.54

 

Smoking current vs. former non

1.63

0.08; 1.72

0.036

alcohol >40 g/day vs. none

13.12

10.29; 15.94

 

alcohol >40 g/day vs. ≤ 20 g/day

12.56

9.85; 15.26

< 0.001

alcohol >40 g/day vs. >20 g/day

10.10

7.07; 13.13

 

alcohol ≤ 40 g/day

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