Table 3.
Results from logistic regression on the training cohort: parameter estimates and odds ratios
| Parameter | Estimate | Odds ratio | 95% CL for OR | P-value |
|---|---|---|---|---|
| Intercept | −0.2617 | NA | NA | 0.3497 |
| Age | −0.0265 | 0.974 | (0.964, 0.983) | <.0001 |
| Male | 0.9766 | 2.655 | (2.118, 3.329) | <.0001 |
| Buy vs. Borrow | −0.4832 | 0.617 | (0.486, 0.783) | <.0001 |
| Alcohol | 0.0986 | 1.104 | (1.064, 1.145) | <.0001 |
| Price influenced the brand they buy | 0.3579 | 1.430 | (1.144, 1.788) | 0.0017 |
| African American vs. white | 0.4576 | 1.580 | (1.208, 2.066) | 0.0008 |
| Latino vs. white | 0.4170 | 1.517 | (1.155, 1.994) | 0.0028 |
| Discrimination | 0.0259 | 1.026 | (1.007, 1.045) | 0.0065 |
| Time to first cig less than 30 min | 0.4100 | 1.507 | (1.197, 1.897) | 0.0005 |
| Limit cigarettes per day | 0.2612 | 1.299 | (1.041, 1.619) | 0.0203 |