Research Article

The Interaction between Coffee: Caffeine Consumption, UCP2 Gene Variation, and Adiposity in Adults—A Cross-Sectional Study

Table 1

Characteristics of subjects.

All ()AA + GA ()GG ()

Male/female223/232142/14181/90
Age41.6 ± 10.941.6 ± 10.041.5 ± 12.10.917
Height158.1 ± 9.4158.1 ± 9.4158.1 ± 9.20.963
Anthropometric measures
Body weight (kg)62.7 ± 13.362.9 ± 13.462.4 ± 13.10.724
Body mass index (kg/m2)25.1 ± 5.225.2 ± 5.525.0 ± 4.80.626
Body fat (kg)17.7 ± 7.717.8 ± 7.917.6 ± 7.50.822
Waist circumference (cm)86.6 ± 12.786.0 ± 12.687.5 ± 13.00.232
Hip circumference94.2 ± 11.294.2 ± 11.594.3 ± 10.90.924
Physical activity (METs-min/week)5769 ± 59115941 ± 60065489 ± 57610.433
Dietary intake (per day)
Total energy intake (kcal)2562 ± 11272530 ± 11292614 ± 11260.449
Protein (g)80.0 ± 41.379.0 ± 42.381.6 ± 39.50.517
Fat (g)66.7 ± 46.264.2 ± 42.870.6 ± 51.20.153
Carbohydrate (g)410.7 ± 199.5408.6 ± 198.4414.2 ± 201.90.772
Fiber (g)24.0 ± 13.423.3 ± 13.125.1 ± 13.80.168
Sugar (g)26.7 ± 24.225.3 ± 23.628.9 ± 25.10.128
Caffeine and its sources (per day)
Total caffeine (mg)87.3 ± 91.985.2 ± 93.290.7 ± 89.70.540
Tea (ml)276.2 ± 301.0269.9 ± 312.5286.6 ± 281.80.566
Coffee (ml)35.5 ± 96.234.5 ± 89.637.1 ± 106.40.787
Chocolate (mg)3.5 ± 9.94.09 ± 11.912.60 ± 5.200.121
Caffeine-containing soda (ml)0.12 ± 1.530.15 ± 1.780.09 ± 1.000.685

Independent t-test of comparison between subjects AA + GA and GG genotypes of −866 G/A UCP2.