Table 4.
Logistic regression using robust standard errors to predict FFR visitation.1
| Exposure | 21 m | 100 m | 500 m | Half Mile | ||||
|---|---|---|---|---|---|---|---|---|
| Odds Ratio | 95% CI | Odds Ratio | 95% CI | Odds Ratio | 95% CI | Odds Ratio | 95% CI | |
| FFR count | ||||||||
| Tertile 1 | Ref | Ref | Ref | Ref | ||||
| Tertile 2 | 1.26 | 0.73–2.18 | 1.16 | 0.66–2.04 | 1.32 | 0.76–2.3 | 1.06 | 0.6–1.86 |
| Tertile 3 | 1.41 | 0.8–2.47 | 1.68 | 0.96–2.93 | 1.38 | 0.76–2.51 | 1.49 | 0.83–2.68 |
| Duration | ||||||||
| Tertile 1 | Ref | Ref | Ref | Ref | ||||
| Tertile 2 | 2.06 * | 1.17–3.65 | 1.24 | 0.7–2.18 | 1.06 | 0.61–1.83 | 1.93 * | 1.1–3.39 |
| Tertile 3 | 2.8 *** | 1.58–4.96 | 2.89 *** | 1.65–5.07 | 1.72 * | 1–2.94 | 2.16 ** | 1.22–3.83 |
| Weighted duration | ||||||||
| Tertile 1 | Ref | Ref | Ref | Ref | ||||
| Tertile 2 | 1.62 | 0.92–2.85 | 1.4 | 0.79–2.47 | 1.15 | 0.67–1.99 | 1.25 | 0.72–2.17 |
| Tertile 3 | 2.69 ** | 1.53–4.73 | 3.07 *** | 1.76–5.36 | 1.47 | 0.86–2.52 | 1.15 | 0.67–1.99 |
1 Adjusted for age, gender, race, education, income, number of cars in household, household size, commute distance, and residential density. * p < 0.05; ** p < 0.01; *** p < 0.001.