Table 13.
Binary logistic regression model for the OCBI-Subindex2 on T. gondii IgG antibody (positive/negative) adjusted for demographic factors and the covariates (after model selection).
| OCBI-Subindex2 | ||||
|---|---|---|---|---|
| Odds Ratio | OR 95% Confidence Interval | p-Value | ||
| Intercept | 25.87 | 8.03 | 83.32 | 0.0055 |
| Toxoplasma IgG antibody (positive) | 0.31 | 0.12 | 0.83 | 0.0797 |
| Age (years) | 0.95 | 0.94 | 0.96 | 0.0008 |
| BMI | 0.89 | 0.86 | 0.93 | 0.005 |
| Gender | ||||
| Male (ref) | ||||
| Female | 2.84 | 2.10 | 3.86 | 0.0025 |
| Race/ethnicity | ||||
| Mexican American (ref) | ||||
| Other Hispanic | 1.05 | 0.74 | 1.48 | 0.8024 |
| Non-Hispanic White | 1.45 | 0.98 | 2.16 | 0.1378 |
| Non-Hispanic Black | 0.94 | 0.63 | 1.38 | 0.7554 |
| Other race | 0.88 | 0.41 | 1.91 | 0.7704 |
| Alcohol use | ||||
| Yes (ref) | 1.48 | 0.96 | 2.27 | 0.1471 |
| No | 0.00 | 0.00 | 0.00 | 0.0018 |
| Activity | ||||
| Yes (ref) | ||||
| No | 1.38 | 0.97 | 1.96 | 0.1469 |
| IgG antibody (positive): Age (years) | 1.03 | 1.01 | 1.05 | 0.0315 |
| Sample size = 1842 | ||||
| R2 = 0.30 | ||||