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Overall effects of the multivitamins estimates and 95% confidence interval.
| Model | OR | P |
| Model 1 | 0.580 (0.508, 0.662) | <0.001 |
| Model 2 | 0.527 (0.447, 0.622) | <0.001 |
| Model 3 | 0.585 (0.482, 0.712) | <0.001 |
All estimates accounted for complex survey designs. Model 1 included only independent variables; model 2 was additionally adjusted for gender, age, ethnicity, FIPR, and education level; and model 3 was further adjusted for the disease history (hypertension, high cholesterol, and diabetes).
