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Table 3 Associations between colonoscopy and PCP characteristics - Estimates from multivariate Analyses

From: Social disparities in the use of colonoscopy by primary care physicians in Ontario

Parameters Risk Ratio 95% CI P-value
Year   1.35 1.30-1.40 < 0.0001
Physician characteristics     
Sex Female 1.03 0.99-1.06 0.1354
  Male 1.00 - -
Years of experience < 20 0.95 0.94-0.97 < 0.0001
  >= 20 1.00 - -
Education IMG 0.78 0.77-0.79 < 0.0001
  CMG 1.00 - -
Practice characteristics     
Individual level     
% of male patients < 35 1.18 1.14-1.22 < 0.0001
  35-50 1.02 1.01-1.04 0.0011
  > 50 1.00 - -
Median age 50-59 0.96 0.94-0.98 < 0.0001
  60-61 0.97 0.96-0.99 0.0002
  >= 62 1.00 - -
% co-morbidity < 10 0.71 0.70-0.72 < 0.0001
  10-15 0.85 0.84-0.86 < 0.0001
  > 15 1.00 - -
Ecological level     
% low income < 10 1.14 1.12-1.15 < 0.0001
  10-19 1.13 1.11-1.14 < 0.0001
  >= 20 1.00 - -
% of lives in rural location < 1 1.01 0.98-1.02 0.5212
  1-3 1.03 1.02-1.05 < 0.0001
  > 3 1.00 - -
% with less than high school education < 20 1.28 1.26-1.30 < 0.0001
  20-24 1.08 1.06-1.09 < 0.0001
  >= 25 1.00 - -
% of non-immigrants < 60 0.88 0.85-0.90 0.0011
  60-79 0.95 0.94-0.97 < 0.0001
  >= 80 1.00 - -
% of labour force < 65 0.97 0.96-0.99 0.0005
  65-69 0.94 0.93-0.96 < 0.0001
  >= 70 1.00 - -
% cannot speak English or French < 2 0.92 0.89-0.94 < 0.0001
  2-3 0.96 0.94-0.98 < 0.0001
  > 3 1.00 - -
  1. Note: RR - rate ratio, CI - Confidence Interval, CMG - Canadian Medical Graduates, IMG - International Medical Graduates.
  2. * Categories were selected to include approximately equal numbers of subjects.