OBS components | Assignment scheme |
---|---|
Non-dietary pro-oxidants | |
 Obesity | 0 = BMI ≥ 30 kg/m2 and WC ≥ 1.02 m in males or ≥ 0.88 m in females |
1 = BMI ≥ 30 kg/m2 or WC ≥ 1.02 m in males or ≥ 0.88 m in females | |
2 = BMI < 30 kg/m2 and WC < 1.02 m in males or < 0.88 m in females | |
 Smoking | 0 = current, 1 = former and 2 = never |
Non-dietary anti-oxidants | |
 Physical activity (MET-min/d) | 0 = low (1st tertile), 1 = medium (2nd tertile), and 2 = high (last tertile) |
Dietary pro-oxidants | |
 SFA (g) | 0 = high (3rd tertile), 1 = medium (2nd tertile), and 2 = low (1st tertile) |
 PUFA (g) | 0 = high (3rd tertile), 1 = medium (2nd tertile), and 2 = low (1st tertile) |
 Iron (mg) | 0 = high (3rd tertile), 1 = medium (2nd tertile), and 2 = low (1st tertile) |
Dietary anti-oxidants | |
 Fiber (g) | 0 = low (1st tertile), 1 = medium (2nd tertile), and 2 = high (last tertile) |
 Vitamin E (mg) | 0 = low (1st tertile), 1 = medium (2nd tertile), and 2 = high (last tertile) |
 Vitamin C (mg) | 0 = low (1st tertile), 1 = medium (2nd tertile), and 2 = high (last tertile) |
 Vitamin B9 (µg) | 0 = low (1st tertile), 1 = medium (2nd tertile), and 2 = high (last tertile) |
 Beta-carotene (mcg) | 0 = low (1st tertile), 1 = medium (2nd tertile), and 2 = high (last tertile) |
 Zinc (mg) | 0 = low (1st tertile), 1 = medium (2nd tertile), and 2 = high (last tertile) |
 Selenium (mg) | 0 = low (1st tertile), 1 = medium (2nd tertile), and 2 = high (last tertile) |