Table 2.
Factors Predicting Dietary Supplement Use in Multivariate Logistic Regression
| Odds Ratioa (95% CI) | |
|---|---|
| Age | |
| ≤50 yr | 1.00 |
| >50 yr | 1.97 (1.48, 2.61) |
| Gender | |
| Male | 1.00 |
| Female | 1.87 (1.41, 2.47) |
| Ethnicity | |
| White | 1.00 |
| Nonwhite | 0.60 (0.40, 0.98) |
| Education | |
| <High school | 1.00 |
| High school | 1.81 (1.00, 3.25) |
| Some college or bachelor’s degree | 2.11 (1.18, 3.77) |
| Graduate or professional degree | 2.68 (1.43, 5.03) |
| ptrend | 0.001 |
| BMI | |
| <25 kg/m2 | 1.00 |
| 25-30 kg/m2 | 0.84 (0.60, 1.16) |
| ≥30 kg/m2 | 0.65 (0.46, 0.91) |
| ptrend | 0.002 |
| Exercise | |
| No weekly exercise | 1.00 |
| 0-1 hour/weekb | 1.35 (0.87, 2.08) |
| >1 hour/weekb | 1.73 (1.07, 2.80) |
| ptrend | 0.026 |
a
Risk estimates adjust for all other covariates presented in table
b
Refers to exercise producing heavy sweating or large increases in breathing or heart rate