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Table 1 Characteristics of physicians by specialist category

From: A cross-sectional, population-based study of HIV physicians and outpatient health care use by people with HIV in Ontario

Variable   All Family medicine Internal medicine specialist Infectious disease specialist p-value
   N = 3,824 N = 3,699 N = 70 N = 55  
Age (years) Mean ± SD 49.7 ± 11.2 49.8 ± 11.1 47.0 ± 14.1 47.4 ± 9.2 0.033
Age category (years) <40 1,711 (44.7%) 732 (19.8%) 29 (41.4%) 12 (21.8%) <0.001
  40-54 986 (25.8%) 1,660 (44.9%) 19 (27.1%) 32 (58.2%)  
  55-64 773 (20.2%) 966 (26.1%) 12 (17.1%) 11 (20%)*  
  >64 347 (9.1%) 334 (9.0%) 10 (14.3%)   
Sex F 1,165 (30.5%) 1,138 (30.8%) 14 (20.0%) 13 (23.6%) 0.276
Year of graduation Missing 320 (8.4%) 307 (8.3%) 7 (10.0%) 6 (10.9%) <0.001
  >2000s 363 (9.5%) 471 (12.7%) 18 (25.7%) 23 (41.8%)*  
  1990s 829 (21.7%) 765 (20.7%) 18 (25.7%)  
  1980s 1,017 (26.6%) 992 (26.8%) 10 (14.3%) 15 (27.3%)  
  1970s 801 (20.9%) 815 (22.0%) 6 (8.6%) 11 (20.0%)*  
  Pre-1970 494 (12.9%) 349 (9.4%) 11 (15.7%)  
Rural status of physician Missing 114 (3.0%) 112 (3.0%) <=5 0 0.002
  Major urban 3,092 (80.9%) 2,972 (80.3%) 65 (92.9%) 55 (100.0%)  
  Non-major urban 451 (11.8%) 448 (12.1%) <=5 0  
  Rural 167 (4.4%) 167 (4.5%) <=5 0  
Caseload volume <=5 2,870 (75.1%) 2,841 (76.8%) 25 (35.7%) 20 (36.4%)*  
  6-49 830 (21.7%) 779 (21.1%) 35 (50.0%) <0.001
  > = 50 124 (3.2%) 79 (2.1%) 10 (14.3%) 35 (63.6%)  
  1. *Some categories are collapsed to avoid reporting cell sizes < =5.