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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
% of low income quintile | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   < 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) |