Table 1 Characteristics of Primary Care Physicians (PCPs) and screen eligible patients 1996-2005
From: Social disparities in the use of colonoscopy by primary care physicians in Ontario
| Characteristics | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 |
|---|---|---|---|---|---|---|---|---|---|---|
| No (%) | No (%) | No (%) | No (%) | No (%) | No (%) | No (%) | No (%) | No (%) | No (%) | |
| Primary Care Physician characteristics | ||||||||||
| Number of physicians | 7955 | 8008 | 7960 | 8013 | 8077 | 8133 | 8174 | 8273 | 8365 | 8419 |
| Male | 5642 (70.9) | 5628 (70.3) | 5553 (69.8) | 5521 (68.9) | 5519 (68.3) | 5509 (67.7) | 5482 (67.1) | 5500 (66.5) | 5519 (66.0) | 5512 (65.5) |
| Age group | ||||||||||
| < 45 | 3906 (49.1) | 3806 (47.5) | 3646 (45.8) | 3512 (43.8) | 3411 (42.2) | 3274 (40.3) | 3172 (38.8) | 3108 (37.6) | 3016 (36.1) | 2886 (34.28) |
| >= 45 | 4049 (50.9) | 4202 (52.5) | 4314 (54.2) | 4501 (56.2) | 4666 (57.8) | 4859 (59.7) | 5002 (61.2) | 5165 (62.4) | 5349 (63.9) | 5533 (65.7) |
| Years in practice | ||||||||||
| < 20 | 4277 (53.8) | 4191 (52.3) | 4055 (50.9) | 3940 (49.2) | 3851 (47.7) | 3732 (45.9) | 3639 (44.5) | 3561 (43.0) | 3483 (41.6) | 3333 (39.6) |
| >= 20 | 3656 (45.9) | 3787 (47.4) | 3894 (48.9) | 4062 (50.7) | 4213 (52.2) | 4390 (53.9) | 4527 (55.4) | 4702 (56.8) | 4870 (58.2) | 5071 (60.2) |
| Canadian Medical Graduates | 6087 (76.5) | 6155 (76.9) | 6156 (77.3) | 6218 (77.6) | 6280 (77.8) | 6330 (77.8) | 6358 (77.8) | 6437 (77.8) | 6484 (77.5) | 6482 (77.0) |
| Rural area of practice | 882 (11.1) | 872 (10.9) | 860 (10.8) | 882 (11.0) | 898 (11.1) | 808 (9.9) | 826 (10.1) | 829 (10.0) | 855 (10.2) | 835 (9.9) |
| Screen eligible patient count | ||||||||||
| < 200 | 4665 (58.6) | 4628 (57.7) | 4437 (55.7) | 4373 (54.6) | 4322 (53.5) | 4321 (53.1) | 4298 (52.6) | 4369 (52.8) | 4370 (52.2) | 4337 (51.5) |
| >= 200 | 3290 (41.4) | 3380 (42.2) | 3523 (44.3) | 3640 (45.4) | 3755 (46.5) | 3812 (46.9) | 3876 (47.4) | 3904 (47.2) | 3995 (47.8) | 4082 (48.5) |
| Screen eligible patient characteristics, Averaged at the level of each Primary Care Physician | ||||||||||
| Median age | ||||||||||
| 50-59 | 3068 (38.6) | 3468 (43.3) | 3748 (47.1) | 3958 (49.4) | 4323 (53.5) | 4578 (56.3) | 4742 (58.0) | 4932 (59.6) | 5084 (60.8) | 5352 (63.6) |
| 60-61 | 2193 (27.6) | 2152 (26.9) | 2061 (25.9) | 2078 (25.9) | 2024 (25.1) | 1988 (24.4) | 2056 (25.2) | 2052 (24.8) | 2083 (24.9) | 1965 (23.3) |
| > 61 | 2694 (33.9) | 2388 (29.8) | 2151 (27.0) | 1977 (24.7) | 1730 (21.4) | 1567 (19.3) | 1376 (16.8) | 1289 (15.6) | 1198 (14.3) | 1102 (13.1) |
| % male pts | ||||||||||
| < 35 | 2028 (25.5) | 2056 (25.7) | 2068 (25.9) | 2104 (26.3) | 2159 (26.7) | 2182 (26.8) | 2177 (26.6) | 2189 (26.5) | 2188 (26.2) | 2180 (25.9) |
| 35-50 | 3192 (40.1) | 3049 (38.1) | 2974 (37.4) | 2829 (35.3) | 2854 (35.3) | 2777 (34.1) | 2810 (34.4) | 2813 (34.0) | 2841 (33.9) | 2813 (33.4) |
| > 50 | 2735 (34.4) | 2903 (36.3) | 2918 (36.7) | 3080 (38.4) | 3064 (37.9) | 3174 (39.0) | 3187 (38.9) | 3271 (39.5) | 3336 (39.9) | 3426 (40.7) |
| % of with any comorbidities | ||||||||||
| < 10 | 1717 (21.6) | 1814 (22.7) | 1851 (23.3) | 1911 (23.9) | 1990 (24.6) | 2093 (25.7) | 2288 (27.9) | 2524 (30.5) | 2794 (33.4) | 3087 (36.7) |
| 10-15 | 2715 (34.1) | 2799 (34.9) | 2861 (35.9) | 2923 (36.5) | 3016 (37.3) | 3019 (37.1) | 3020 (36.9) | 3119 (37.7) | 3236 (38.7) | 3282 (38.9) |
| > 15 | 3523 (44.3) | 3395 (42.4) | 3248 (40.8) | 3179 (39.7) | 3071 (38.0) | 3021 (37.1) | 2866 (35.1) | 2630 (31.8) | 2335 (27.9) | 2050 (24.4) |
| Ecological variables | ||||||||||
| % of low income quintile | ||||||||||
| < 10 | 2524 (31.7) | 2560 (31.9) | 2594 (32.6) | 2460 (30.7) | 2542 (31.5) | 2565 (31.5) | 2626 (32.1) | 2724 (32.9) | 2082 (24.9) | 2152 (25.6) |
| 10-19 | 2453 (30.8) | 2531 (31.6) | 2539 (31.9) | 2517 (31.4) | 2574 (31.9) | 2638 (32.4) | 2685 (32.9) | 2715 (32.8) | 3013 (36.0) | 3044 (36.2) |
| >= 20 | 2978 (37.4) | 2917 (36.4) | 2827 (35.5) | 3036 (37.9) | 2961 (36.7) | 2930 (36.0) | 2863 (35.0) | 2834 (34.3) | 3270 (39.1) | 3223 (38.3) |
| % of rural pts | ||||||||||
| < 1 | 2802 (35.2) | 2766 (34.5) | 2678 (33.6) | 2862 (35.7) | 2816 (34.9) | 2732 (33.6) | 2682 (32.8) | 2695 (32.6) | 2858 (34.2) | 2831 (33.6) |
| 1-3 | 2118 (26.6) | 2120 (26.5) | 2140 (26.9) | 2207 (27.5) | 27.8) | 2274 (27.9) | 2285 (27.9) | 2315 (27.9) | 2299 (27.5) | 2355 (27.9) |
| > 3 | 3035 (38.2) | 3122 (38.9) | 3142 (39.5) | 2944 (36.7) | 3014 (37.3) | 3127 (38.5) | 3207 (39.2) | 3263 (39.4) | 3208 (38.4) | 3233 (38.4) |
| % with less than high school education | ||||||||||
| 20-24 | 1918 (24.1) | 2001 (24.9) | 1947 (24.5) | 2025 (25.3) | 1983 (24.6) | 1992 (24.5) | 1995 (24.4) | 2024 (24.5) | 2068 (24.7) | 2089 (24.8) |
| >= 25 | 3534 (44.4) | 3484 (43.5) | 3440 (43.2) | 3356 (41.9) | 3393 (42.0) | 3328 (40.9) | 3318 (40.6) | 3311 (40.0) | 3323 (39.7) | 3340 (39.7) |
| Missing | 236 (2.9) | 232 (2.9) | 211 (2.7) | 237 (2.9) | 226 (2.8) | 295 (3.6) | 325 (3.9) | 327 (3.9) | 379 (4.5) | 370 (4.4) |
| % of visible minority | ||||||||||
| < 10 | 2605 (32.8) | 2571 (32.1) | 2555 (32.1) | 2509 (31.3) | 2584 (31.9) | 2610 (32.1) | 2634 (32.2) | 2619 (31.4) | 2665 (31.9) | 2716 (32.3) |
| 10-24 | 2713 (34.1) | 2788 (34.8) | 2771 (34.8) | 2813 (35.1) | 2817 (34.9) | 2752 (33.8) | 2756 (33.7) | 2842 (34.4) | 2782 (33.3) | 2785 (33.1) |
| >= 25 | 2401 (30.2) | 2417 (30.2) | 2423 (30.4) | 2454 (30.6) | 2450 (30.3) | 2476 (30.4) | 2459 (30.1) | 2485 (30.0) | 2539 (30.4) | 2548 (30.3) |
| Missing | 236 (2.9) | 232 (2.9) | 211 (2.7) | 237 (2.9) | 226 (2.8) | 295 (3.6) | 325 (3.9) | 327 (3.9) | 379 (4.5) | 370 (4.4) |
| % of non-immigrants | ||||||||||
| < 55 | 1780 (22.4) | 1754 (21.9) | 1765 (22.2) | 1770 (22.1) | 1757 (21.8) | 1812 (22.3) | 1827 (22.4) | 1804 (21.8) | 1896 (22.7) | 1872 (22.2) |
| 55-74 | 2884 (36.3) | 2943 (36.8) | 2860 (35.9) | 2902 (36.2) | 2891 (35.8) | 2869 (35.3) | 2878 (35.2) | 2931 (35.4) | 2862 (34.2) | 2870 (34.1) |
| >= 75 | 3291 (41.4) | 3311 (41.4) | 3335 (41.9) | 3341 (41.7) | 3429 (42.5) | 3452 (42.4) | 3469 (42.4) | 3538 (42.8) | 3607 (43.1) | 3677 (43.7) |
| % in labour force | ||||||||||
| < 65 | 2804 (35.3) | 2699 (33.7) | 2568 (32.3) | 2477 (30.9) | 2470 (30.6) | 2353 (28.9) | 2277 (27.9) | 2247 (27.2) | 2176 (26.0) | 2121 (25.2) |
| 65-69 | 3039 (38.2) | 3059 (38.2) | 3092 (38.8) | 3099 (38.7) | 3057 (37.9) | 3067 (37.7) | 3066 (37.5) | 3077 (37.2) | 3118 (37.3) | 3132 (37.2) |
| >= 70 | 1876 (23.6) | 2018 (25.2) | 2089 (26.2) | 2200 (27.5) | 2324 (28.8) | 2418 (29.7) | 2506 (30.7) | 2622 (31.7) | 2692 (32.2) | 2796 (33.2) |
| Missing | 236 (2.9) | 232 (2.9) | 211 (2.7) | 237 (2.9) | 226 (2.8) | 295 (3.6) | 325 (3.9) | 327 (3.9) | 379 (4.5) | 370 (4.4) |
| % cannot speak English/French | ||||||||||
| < 2 | 2632 (33.1) | 2614 (32.6) | 2666 (33.5) | 2647 (33.0) | 2682 (33.2) | 2724 (33.5) | 2725 (33.3) | 2761 (33.4) | 2755 (32.9) | 2804 (33.3) |
| 2-3 | 2972 (37.4) | 3017 (37.7) | 2948 (37.0) | 2989 (37.3) | 3040 (37.6) | 2992 (36.8) | 3033 (37.1) | 3069 (37.1) | 3091 (36.9) | 3092 (36.7) |
| > 3 | 2115 (26.6) | 2145 (26.8) | 2135 (26.8) | 2140 (26.7) | 2129 (26.4) | 2122 (26.1) | 2091 (25.6) | 2116 (25.6) | 2140 (25.6) | 2153 (25.6) |
| Missing | 236 (2.9) | 232 (2.9) | 211 (2.7) | 237 (2.9) | 226 (2.8) | 295 (3.6) | 325 (3.9) | 327 (3.9) | 379 (4.5) | 370 (4.4) |
