Table 1.

Dietary oxidative balance score (OBS) components^a

1. Cryptoxanthin	0 = low (1st tertile), 1 = medium (2nd tertile), 2 = high (3rd tertile)
2. Alcohol
Female	0 = 8+ drinks/week, 1 = 1–7 drinks/week, 2 = <1 drink/week
Male	0 = 15+ drinks/week, 1 = 1–14 drinks/week, 2 = <1 drink/week
3. PUFA	0 = high (3rd tertile), 1 = medium (2nd tertile), 2 = low (1st tertile)
4. Total ironb	0 = high (3rd tertile), 1 = medium (2nd tertile), 2 = low (1st tertile)
5. Total vitamin C	0 = low (1st tertile), 1 = medium (2nd tertile), 2 = high (3rd tertile)
6. Total α-carotene	0 = low (1st tertile), 1 = medium (2nd tertile), 2 = high (3rd tertile)
7. Total β-carotene	0 = low (1st tertile), 1 = medium (2nd tertile), 2 = high (3rd tertile)
8. Total vitamin E	0 = low (1st tertile), 1 = medium (2nd tertile), 2 = high (3rd tertile)
9. Total selenium	0 = low (1st tertile), 1 = medium (2nd tertile), 2 = high (3rd tertile)
10. Lutein	0 = low (1st tertile), 1 = medium (2nd tertile), 2 = high (3rd tertile)
11. Lycopene	0 = low (1st tertile), 1 = medium (2nd tertile), 2 = high (3rd tertile)

PUFA, polyunsaturated fatty acid.

^aLow, medium, and high categories correspond to sex-specific 1st, 2nd, and 3rd tertiles, adjusted for total energy intake via the residual method.

^bTotal, dietary and supplemental.