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Table 1—

Descriptive characteristics of subjects by PPARγ genotype status

FactorPro/Pro homozygotesAla allele carriersP
n 894 264  
Age (years) 54.8 ± 7.0 54.2 ± 6.9 0.20* 
BMI (kg/m229.0 ± 5.9 28.7 ± 6.0 0.42* 
Alcohol    
 Nondrinkers (%) 23.9 24.0  
 Mean intake among drinkers (g/day) 8.1 ± 11.5 6.5 ± 8.0 0.35* 
Activity (metabolic units/week) 13.4 ± 16.6 14.7 ± 17.0 0.15* 
Smoking status    
 Never smoked 396 (44.4) 121 (46.0) 0.70 
 Former smoker 378 (42.4) 108 (41.1)  
 1–14 cigarettes/day 37 (4.2) 14 (5.3)  
 15–25 cigarettes/day 46 (5.2) 9 (3.4)  
 >25 cigarettes/day 34 (3.8) 11 (4.2)  
Family history of diabetes    
 No 611 (68.3) 192 (72.7) 0.18 
 Yes 283 (31.7) 72 (27.3)  
FactorPro/Pro homozygotesAla allele carriersP
n 894 264  
Age (years) 54.8 ± 7.0 54.2 ± 6.9 0.20* 
BMI (kg/m229.0 ± 5.9 28.7 ± 6.0 0.42* 
Alcohol    
 Nondrinkers (%) 23.9 24.0  
 Mean intake among drinkers (g/day) 8.1 ± 11.5 6.5 ± 8.0 0.35* 
Activity (metabolic units/week) 13.4 ± 16.6 14.7 ± 17.0 0.15* 
Smoking status    
 Never smoked 396 (44.4) 121 (46.0) 0.70 
 Former smoker 378 (42.4) 108 (41.1)  
 1–14 cigarettes/day 37 (4.2) 14 (5.3)  
 15–25 cigarettes/day 46 (5.2) 9 (3.4)  
 >25 cigarettes/day 34 (3.8) 11 (4.2)  
Family history of diabetes    
 No 611 (68.3) 192 (72.7) 0.18 
 Yes 283 (31.7) 72 (27.3)  

Data are mean ± SD or n (%).

*

P value from Wilcoxon rank-sum test;

P value from χ2 test.

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