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Characteristics of the study population.
| Variable | All subjects n = 36 |
Men n = 12 |
Women n = 24 |
|---|---|---|---|
| Age (years) (mean and standard deviation) | 34 (11) | 35 (11) | 34 (11) |
| Ethnic background: Caucasian | 35/36 | 12/12 | 23/24 |
| BMI (kg/m2) (mean and standard deviation) | 22.9 (2.9) | 24.3 (2.5) | 22.2 (2.8) |
| Oral contraceptive (%) | 33 | NA | 50 |
| Current smoker (%) | 22 | 25 | 21 |
| Caffeine consumption (cups/day) (mean) | 3 | 3 | 3 |
| Alcohol consumption (glasses of wine/ day) (mean) | 0.08 | 0.08 | 0.08 |
BMI body mass index.
