Patient sample characteristics
| Sample n (%) | MUSIC PBRN* n (%) | |
| Gender | ||
| Male | 249 (35.9) | 11 659 (43.8) |
| Female | 424 (61.2) | 14 910 (56.0) |
| Other | 1 (0.1) | 9 (0.03) |
| No response | 19 (2.7) | |
| Age | ||
| 18–29 | 77 (11.1) | 6157 (26.1) |
| 30–39 | 75 (10.8) | 5074 (19.0) |
| 40–49 | 97 (14.0) | 4481 (16.8) |
| 50–59 | 159 (22.9) | 4475 (16.8) |
| 60–69 | 135 (19.5) | 3385 (12.7) |
| 70–79 | 92 (13.3) | 1745 (6.5) |
| 80+ | 43 (6.2) | 1261 (4.7) |
| No response | 15 (2.1) | |
| Ethnicity† | ||
| European origins | 572 (82.5) | Not available |
| Latin, Central and South American origins | 13 (1.9) | |
| African origins | 34 (4.9) | |
| Asian origins | 34 (4.9) | |
| No response/other | 55 (7.9) | |
| Income | ||
| Mean (IQR) | $42 887 ($12 191) | Not available |
*McMaster University Sentinel and Information Collaboration (MUSIC) Practice Based Research Network (PBRN) rostered adult population (18+ years).
†Multiple option recording allowed.