Baseline patient characteristics by panel proximity quintile*
| CHARACTERISTIC | PATIENT PANEL PROXIMITY QUINTILE | |||||
|---|---|---|---|---|---|---|
| 1(n=546,555)† | 2(n=541,332) | 3(n=540,733) | 4(n=531,296) | 5(n=530,566) | OVERALL(N=2,690,482) | |
| Patient proximity, km, mean (SD) | 3.9 (0.6) | 5.3 (0.3) | 6.4 (0.3) | 7.8 (0.6) | 12.5 (3.7) | 7.1 (3.4) |
| • Median (IQR) | 4.0 (3.4-4.4) | 5.3 (5.1-5.5) | 6.4 (6.0-6.6) | 7.7 (7.3-8.3) | 11.4 (9.9-13.5) | 6.3 (5.1-8.2) |
| Age, y, mean (SD) | 47.6 (16.4) | 47.2 (16.4) | 46.9 (16.3) | 46.9 (16.5) | 47.2 (16.8) | 47.2 (16.5) |
| Male, % | 45.3 | 47.0 | 48.7 | 49.6 | 48.8 | 47.9 |
| Study follow-up time, y, mean (SD) | 4.9 (0.5) | 4.9 (0.5) | 4.9 (0.5) | 4.9 (0.6) | 4.9 (0.6) | 4.9 (0.6) |
| Immigrant, % | 35.2 | 19.7 | 16.7 | 11.1 | 5.0 | 17.6 |
| • <10 y in Ontario, % | 14.4 | 8.8 | 7.9 | 5.5 | 2.5 | 7.8 |
| • 10-20 y in Ontario, % | 18.3 | 9.3 | 7.5 | 4.8 | 2.1 | 8.5 |
| Ethnicity (among immigrants), % | ||||||
| • Black | 8.3 | 13.7 | 12.8 | 11.5 | 11.3 | 10.9 |
| • East Asian | 26.6 | 10.2 | 12.4 | 8.0 | 7.1 | 16.8 |
| • Latin American | 7.0 | 7.8 | 6.6 | 7.5 | 7.4 | 7.2 |
| • South Asian | 29.0 | 26.5 | 28.1 | 26.1 | 23.8 | 27.6 |
| • Southeast Asian | 9.2 | 9.7 | 7.5 | 7.5 | 5.8 | 8.6 |
| • West Asian | 5.4 | 10.4 | 11.4 | 12.1 | 8.6 | 8.7 |
| • White Eastern European | 10.1 | 14.5 | 12.9 | 15.5 | 15.2 | 12.6 |
| • White Western European | 3.6 | 6.1 | 7.2 | 10.5 | 19.5 | 6.6 |
| • Unknown | 0.9 | 1.1 | 1.1 | 1.3 | 1.3 | 1.0 |
| Neighbourhood income quintile, % | ||||||
| • 1 (lowest) | 21.9 | 18.3 | 17.7 | 17.6 | 17.1 | 18.5 |
| • 2 | 23.5 | 19.9 | 19.1 | 18.8 | 18.8 | 20.0 |
| • 3 | 20.7 | 20.3 | 20.1 | 19.9 | 20.8 | 20.4 |
| • 4 | 18.6 | 20.7 | 21.4 | 21.6 | 22.2 | 20.9 |
| • 5 | 15.3 | 20.7 | 21.7 | 22.1 | 21.1 | 20.2 |
| • Unknown | 0.1 | 0.2 | 0.2 | 0.4 | 0.3 | 0.2 |
| Current smoker or quit in past year, survey weight adjusted, %‡ | 17.3 | 19.6 | 23.0 | 24.5 | 25.7 | 22.0 |
| Hypertension, % | 26.6 | 25.0 | 24.2 | 24.5 | 25.3 | 25.1 |
| Diabetes, % | 11.8 | 9.9 | 9.1 | 8.8 | 8.5 | 9.6 |
| Total cholesterol, mmol/L, mean (SD)§ | 5.05 (1.01) | 5.10 (1.02) | 5.11 (1.04) | 5.10 (1.04) | 5.15 (1.06) | 5.10 (1.03) |
| HDL, mmol/L, mean (SD)§ | 1.45 (0.40) | 1.46 (0.41) | 1.45 (0.41) | 1.44 (0.41) | 1.45 (0.41) | 1.45 (0.41) |
HDL—high-density lipoprotein, IQR—interquartile range.
↵* P value <.05 for differences between proximity quintiles on all characteristics.
↵† Closest-proximity quintile.
‡ From a subpopulation of 32,518 respondents to the 2005 to 2012 cycles of the Canadian Community Health Survey.25
↵§ From a subpopulation of 673,586 patients with testing performed at Dynacare Medical Laboratories.