Table 1.
Components that make up the oxidative balance score.
| OBS components | Property | Male | Female | ||||
|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 0 | 1 | 2 | ||
| Dietary OBS components | |||||||
| Dietary fiber (g/d) | A | <13.55 | 13.55–22 | ≥22 | <11.45 | 11.45–18 | ≥18 |
| Carotene (RE/d) | A | <50.708 | 50.708–171.91 | ≥171.91 | <55.84 | 55.84–196 | ≥196 |
| Riboflavin (mg/d) | A | <1.766 | 1.766–2.63 | ≥2.63 | <1.378 | 1.378–1.976 | ≥1.976 |
| Niacin (mg/d) | A | <24.874 | 24.874–34.812 | ≥34.812 | <17.095 | 17.095–24.147 | ≥24.147 |
| Vitamin B6 (mg/d) | A | <1.841 | 1.841–2.74 | ≥2.74 | <1.322 | 1.322–1.962 | ≥1.962 |
| Total folate (mcg/d) | A | <340.667 | 340.667–517.833 | ≥517.833 | <260.5 | 260.5–392.5 | ≥392.5 |
| Vitamin B12 (mcg/d) | A | <3.61 | 3.61–6.288 | ≥6.288 | <2.485 | 2.485–4.335 | ≥4.335 |
| Vitamin C (mg/d) | A | <39.467 | 39.467–99.467 | ≥99.467 | <38.317 | 38.317–87.983 | ≥87.983 |
| Vitamin E (ATE) (mg/d) | A | <6.687 | 6.687–10.597 | ≥10.597 | <5.685 | 5.685–8.79 | ≥8.79 |
| Calcium (mg/d) | A | <799.167 | 799.167–1,215 | ≥11,215 | <634 | 634–956.667 | ≥956.667 |
| Magnesium (mg/d) | A | <270.5 | 270.5–384.833 | ≥384.833 | <216 | 216–297.5 | ≥297.5 |
| Zinc (mg/d) | A | <10.127 | 10.127–14.69 | ≥14.69 | <7.282 | 7.282–10.398 | ≥10.398 |
| Copper (mg/d) | A | <1.044 | 1.044–1.516 | ≥1.516 | <0.852 | 0.852–1.219 | ≥1.219 |
| Selenium (mcg/d) | A | <110.317 | 110.317–154.817 | ≥154.817 | <79.017 | 79.017–112 | ≥112 |
| Total fat (g/d) | P | ≥105.92 | 73.578–105.92 | <73.578 | ≥79.18 | 54.952–79.18 | <54.952 |
| Iron (mg/d) | P | ≥18.407 | 12.758–18.407 | <12.758 | ≥13.855 | 9.608–13.855 | <9.608 |
| Lifestyle OBS components | |||||||
| Physical activity (MET-minute/week) | A | <1800 | 1800–6,480 | ≥6,480 | <1106.667 | 1106.667–3,360 | ≥3,360 |
| Alcohol (g/d) | P | ≥30 | 0–30 | None | ≥15 | 0–15 | None |
| Body mass index (kg/m2) | P | ≥29.8 | 25.4–29.8 | <25.4 | ≥31.4 | 24.9–31.4 | <24.9 |
| Cotinine (ng/mL) | P | ≥0.038 | 0.022–5.183 | <1.13 | ≥0.096 | 0.011–0.096 | <0.011 |
A stood in for the antioxidant, P for the pro-oxidant. RE for the retinal equivalent, ATE for the alpha-tocopherol equivalent, and MET for the metabolic equivalent.