Characteristics of the two cohorts matched by propensity score in study 2
| Pilot participants (n=10 652) | Control participants (n=10.652) | Standardised difference* | |
|---|---|---|---|
| Participants | |||
| Age group in years, n (%) | |||
| 50–59 | 6248 (59) | 6324 (59) | 0.01 |
| 60–69 | 3342 (31) | 3316 (31) | 0.01 |
| 70–74 | 1062 (10) | 1012 (10) | 0.02 |
| Sex, n (%) | |||
| Female | 5548 (52) | 5477 (51) | 0.01 |
| Male | 5104 (48) | 5175 (49) | 0.01 |
| Comorbidity†, number of ADGs (%) | |||
| 0 | 1462 (14) | 1425 (13) | 0.01 |
| 1–2 | 3647 (34) | 3716 (35) | 0.01 |
| 3–4 | 2764 (26) | 2835 (27) | 0.02 |
| 5–6 | 1536 (14) | 1473 (14) | 0.02 |
| 7+ | 1243 (12) | 1203 (11) | 0.01 |
| Median neighbourhood income quintile, n (%) | |||
| Rural | 1825 (17) | 1889 (18) | 0.02 |
| Low urban | 1628 (15) | 1699 (16) | 0.02 |
| 2 | 1698 (16) | 1728 (16) | 0.01 |
| 3 | 1728 (16) | 1681 (16) | 0.01 |
| 4 | 1831 (17) | 1753 (16) | 0.02 |
| High urban | 1942 (18) | 1902 (18) | 0.01 |
| Health region, n (%) | |||
| Erie St Clair | 462 (4) | 423 (4) | 0.02 |
| South West | 1107 (10) | 1114 (10) | 0 |
| Waterloo Wellington | 327 (3) | 343 (3) | 0.01 |
| Hamilton Niagara | 1265 (12) | 1290 (12) | 0.01 |
| Central West | 620 (6) | 580 (5) | 0.02 |
| Mississauga Halton | 142 (1) | 144 (1) | 0 |
| Toronto Central | 503 (5) | 478 (4) | 0.01 |
| Central | 201 (2) | 209 (2) | 0.01 |
| Central East | 1643 (15) | 1702 (16) | 0.02 |
| South East | 859 (8) | 891 (8) | 0.01 |
| Champlain | 895 (8) | 904 (8) | 0 |
| North Simcoe-Muskoka | 265 (2) | 242 (2) | 0.01 |
| North East | 1409 (13) | 1378 (13) | 0.01 |
| North West | 954 (9) | 954 (9) | 0 |
| Recent immigrant, n (%) | 111 (1) | 105 (1) | 0.01 |
| FOBT 2–5 years prior to mailing, n (%) | 1476 (14) | 1240 (12) | 0.07 |
| Physician | |||
| Median age in years (IQR) | 52 (45–59) | 52 (47–58) | NA |
| Sex, n (%) | |||
| Female | 3875 (36) | 3335 (31) | NA |
| Male | 6777 (64) | 7317 (69) | |
| Practice type, n (%) | |||
| FHG | 4854 (46) | 4885 (46) | NA |
| FHO/FHN | 1859 (17) | 1718 (16) | |
| FHO/FHN-FHT | 3374 (32) | 3027 (28) | |
| Other PEM | 565 (5) | 1022 (10) | |
| Practice size (enrolled patients), n (%) | |||
| >1800 patients | 5366 (50) | 5026 (47) | NA |
*Standardised differences for physician level variables not reported as propensity scores were estimated using patient-level characteristics only.
†Comorbidity scored using number of ADGs using the Johns Hopkins Case Mix System.
ADGs, Aggregated Diagnosis Groups; FHG, family health group; FHO/FHN, family health organisations or networks; FHT, family health team; FOBT, faecal occult blood test; NA, not applicable; Other PEM, other patient enrolled model of care.