Table 2.
Association of composite dietary antioxidant index and aging.
| CDAI | Model 1 | Model 2 | Model 3 | |||
|---|---|---|---|---|---|---|
| OR (95% CI) | p | OR (95% CI) | p | OR (95% CI) | p | |
| Per SD | 0.81 (0.77, 0.87) | <0.001 | 0.89 (0.84, 0.95) | 0.001 | 0.90 (0.84, 0.96) | 0.001 |
| Cutoff | ||||||
| Low | Ref. | Ref. | Ref. | |||
| High | 0.69 (0.62, 0.78) | <0.001 | 0.81 (0.71, 0.91) | 0.001 | 0.82 (0.72, 0.93) | 0.003 |
| Quantiles | ||||||
| Q1 | Ref. | Ref. | Ref. | |||
| Q2 | 0.83 (0.72, 0.94) | 0.005 | 0.90 (0.77, 1.04) | 0.146 | 0.89 (0.76, 1.04) | 0.141 |
| Q3 | 0.73 (0.61, 0.86) | <0.001 | 0.84 (0.70, 1.01) | 0.061 | 0.87 (0.70, 1.06) | 0.163 |
| Q4 | 0.66 (0.56, 0.79) | <0.001 | 0.80 (0.67, 0.96) | 0.016 | 0.82 (0.69, 0.98) | 0.032 |
| Q5 | 0.52 (0.44, 0.60) | <0.001 | 0.66 (0.56, 0.78) | <0.001 | 0.68 (0.57, 0.81) | <0.001 |
| P for trend | <0.001 | <0.001 | 0.014 | |||
Model 1 was a crude model. Model 2 was adjusted for sex, race, BMI, education level, PIR, health insurance, smoke, and alcohol. Model 3 was adjusted for model 2 and DM, CVD, hypertension, cancer history, CRP, and albumin.