Table 3. Environmental characteristics of the study population by region of Canada.
| Region of Canada | |||||||
|---|---|---|---|---|---|---|---|
| N | Overall | BC | AB | ON | QC | NS | |
| Number of participants | 6645 | 6645 | 744 | 402 | 3253 | 1575 | 671 |
| Urban postal code | 6645 | 6390 (96.2) | 686 (92.2) | 389 (96.8) | 3179 (97.7) | 1468 (93.2) | 668 (99.6) |
| Neighbourhood Deprivation | |||||||
| Material factor score | 6447 | -0.017 (0.041) | -0.013 (0.039) | -0.040 (0.035) | -0.016 (0.043) | -0.008 (0.039) | -0.027 (0.032) |
| Social factor score | 6447 | 0.001 (0.041) | -0.006 (0.036) | -0.008 (0.044) | -0.005 (0.042) | 0.017 (0.036) | 0.008 (0.038) |
| Walkability Measures | |||||||
| ALE Index | 6640 | 1.806 (4.501) | 1.535 (3.661) | 0.810 (1.854) | 2.618 (5.610) | 1.172 (2.976) | 0.255 (1.764) |
| ALE Index Class, n (%) | |||||||
| Class 1: very low | 6640 | 772 (11.6) | 81 (10.9) | 40 (10.0) | 300 (9.2) | 232 (14.7) | 119 (17.7) |
| Class 2 | 6640 | 1917 (28.9) | 176 (23.7) | 193 (48.0) | 820 (25.2) | 472 (30.0) | 256 (38.2) |
| Class 3 | 6640 | 2014 (30.3) | 249 (33.6) | 146 (36.3) | 1079 (33.2) | 326 (20.7) | 214 (31.9) |
| Class 4 | 6640 | 1182 (17.8) | 166 (22.4) | 12 (3.0) | 611 (18.8) | 311 (19.8) | 82 (12.2) |
| Class 5: very high | 6640 | 755 (11.4) | 70 (9.4) | 11 (2.7) | 442 (13.6) | 232 (14.7) | 0 (0.0) |
| Linked Air Quality Measures | |||||||
| PM2.5, ug/m3, over 2008–2012 | 6645 | 6.9 (2.0) | 6.7 (1.4) | 3.2 (0.5) | 8.2 (1.5) | 6.0 (1.5) | 5.2 (1.1) |
| NO2, ppb, over 2008–2012 | 6645 | 12.9 (5.9) | 15.2 (4.8) | 12.8 (3.5) | 14.1 (5.3) | 13.0 (5.8) | 4.1 (1.2) |
| O3, ppb, over 2008–2012 | 6645 | 24.6 (4.0) | 17.8 (4.3) | 23.4 (2.1) | 27.1 (2.6) | 23.9 (2.4) | 22.3 (1.3) |
Presented data are means (SD) unless otherwise indicated. CMA: census metropolitan area; ALE: active living environment