TABLE II.
Demographic information for the study group
| Variable | Value for | |
|---|---|---|
|
| ||
| Cases | Controls | |
| Women (n) | 39,655 | 190,520 |
| Age at index date (years) | ||
| Mean | 61.06±14.01 | 60.87±14.06 |
| Median | 60 | 60 |
| Interquartile range | 50–72 | 50–71 |
| Age group at index date [n (%)] | ||
| <45 Years | 4,822 (12.2) | 23,845 (12.5) |
| 45–54 Years | 9,087 (22.9) | 44,109 (23.2) |
| 55–64 Years | 9,890 (24.9) | 47,459 (24.9) |
| 65–74 Years | 8,099 (20.4) | 38,296 (20.1) |
| 75–84 Years | 5,765 (14.5) | 27,311 (14.3) |
| ≥85 Years | 1,992 (5.0) | 9,500 (5.0) |
| Disease stage [n (%)] | ||
| i | 13,628 (34.4) | 65,404 (34.3) |
| ii | 12,602 (31.8) | 60,555 (31.8) |
| iii | 4,765 (12.0) | 22,954 (12.0) |
| iv | 1,552 (3.9) | 7,464 (3.9) |
| Unknown | 7,108 (17.9) | 34,143 (17.9) |
| lhin [n (%)] | ||
| Erie St. Clair | 2,108 (5.3) | 10,145 (5.3) |
| South West | 3,024 (7.6) | 14,520 (7.6) |
| Waterloo Wellington | 2,047 (5.2) | 9,861 (5.2) |
| Hamilton Niagara Haldimand Brant | 4,730 (11.9) | 22,654 (11.9) |
| Central West | 1,890 (4.8) | 9,223 (4.8) |
| Mississauga Halton | 3,162 (8.0) | 15,157 (8.0) |
| Toronto Central | 3,458 (8.7) | 16,424 (8.6) |
| Central | 4,882 (12.3) | 23,520 (12.3) |
| Central East | 4,670 (11.8) | 22,427 (11.8) |
| South East | 1,706 (4.3) | 8,206 (4.3) |
| Champlain | 3,782 (9.5) | 18,238 (9.6) |
| North Simcoe Muskoka | 1,467 (3.7) | 7,058 (3.7) |
| North East | 1,956 (4.9) | 9,369 (4.9) |
| North West | 740 (1.9) | 3,527 (1.9) |
| Missing | 33 (0.1) | 191 (0.1) |
| Rural [n (%)] | ||
| No | 34,612 (87.3) | 166,252 (87.3) |
| Yes | 5,010 (12.6) | 24,077 (12.6) |
| Missing | 33 (0.1) | 191 (0.1) |
| Income quintile [n (%)] | ||
| Highest | 7,043 (17.8) | 34,359 (18.0) |
| Second highest | 7,673 (19.3) | 37,045 (19.4) |
| Middle | 7,895 (19.9) | 37,421 (19.6) |
| Second lowest | 8,289 (20.9) | 39,623 (20.8) |
| Lowest | 8,696 (21.9) | 41,415 (21.7) |
| Missing | 59 (0.1) | 657 (0.3) |
| Resource utilization band [n (%)] | ||
| None | 452 (1.1) | 2,235 (1.2) |
| Healthy user | 209 (0.5) | 1,022 (0.5) |
| Low | 2,109 (5.3) | 10,323 (5.4) |
| Moderate | 22,034 (55.6) | 106,481 (55.9) |
| High | 9,851 (24.8) | 46,996 (24.7) |
| Highest | 5,000 (12.6) | 23,463 (12.3) |
lhin = Local Health Integration Network.