Table 3.
Cox regression hazard ratios (HRs) and 95% Confidence Intervals (CIs) for the Association Between Reported Childhood Residence Characteristics and Incident Pre- and Post-Menopausal Breast Cancer
| Pre-Menopausal Cancer | Post- Menopausal Cancer | |||
|---|---|---|---|---|
|
|
||||
| CHARACTERISTIC | Cases | Fully- Adjusted HR (95% CI) a | Cases | Fully- Adjusted HR (95% CI) a |
| Characteristics of the Residential Road at Childhood Residence | ||||
| Number of Lanes | ||||
| 1–2 Lanes | 425 | (REF) | 1,533 | (REF) |
| 3+ Lanes | 14 | 1.3 (0.8, 2.2) | 39 | 0.8 (0.6, 1.0) |
| Presence of Median/Barrier | ||||
| Without Median or Barrier of Any Kind | 429 | (REF) | 1,543 | (REF) |
| With Median or Barrier of Any Kind | 10 | 1.5 (0.8, 2.7) | 29 | 1.1 (0.8, 1.7) |
| Traffic During Rush Hour | ||||
| Light Traffic | 360 | (REF) | 1,287 | (REF) |
| Moderate Traffic | 57 | 1.0 (0.8, 1.3) | 208 | 1.0 (0.9, 1.2) |
| Heavy Traffic | 22 | 1.0 (0.7, 1.6) | 77 | 0.9 (0.7, 1.1) |
| Characteristics of the Nearest Cross-street or Intersecting Road | ||||
| Distance of Residence to Nearest Road and… | ||||
| Number of Lanes on Intersecting Road | ||||
| 100 ft.+ | 289 | (REF) | 1,079 | (REF) |
| Within 100 ft., 1–2 Lanes | 135 | 1.0 (0.8, 1.2) | 440 | 0.9 (0.8, 1.0) |
| Within 100 ft., 3+ Lanes | 15 | 1.1 (0.7, 1.9) | 53 | 1.1 (0.8, 1.4) |
| Median/Barrier on Intersecting Road | ||||
| 100 ft.+ | 289 | (REF) | 1,079 | (REF) |
| Within 100 ft., Without Median or Barrier of Any Kind | 144 | 1.0 (0.8, 1.2) | 472 | 0.9 (0.8, 1.0) |
| Within 100 ft., With Median or Barrier of Any Kind | 6 | 1.3 (0.6, 2.9) | 21 | 1.3 (0.8, 2.0) |
| Traffic During Rush Hour on Intersecting Road | ||||
| 100 ft.+ | 289 | (REF) | 1,079 | (REF) |
| Within 100 ft., Light Traffic | 110 | 1.0 (0.8, 1.3) | 327 | 0.9 (0.8, 1.0) |
| Within 100 ft., Moderate Traffic | 25 | 0.9 (0.6, 1.3) | 108 | 1.0 (0.8, 1.2) |
| Within 100 ft., Heavy Traffic | 15 | 0.9 (0.5, 1.5) | 58 | 0.9 (0.7, 1.2) |
| Multiple Lanes, Median/Barrier, and Traffic During Rush Hour on Intersecting Road | ||||
| 100 ft.+ and/or (Neither 3+ Lanes nor Median/Barrier) | 422 | (REF) | 1,510 | (REF) |
| Within 100 ft., 3+ Lanes and/or Median/Barrier and… | ||||
| Light/Moderate Traffic | 8 | 1.2 (0.6, 2.5) | 25 | 0.9 (0.6, 1.3) |
| Heavy Traffic | 9 | 1.1 (0.6, 2.2) | 37 | 1.5 (1.1, 2.0) |
a
Fully-adjusted models are adjusted for age, race/ethnicity, and highest level of education attained in the household at age 13.