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Table 2 Unadjusted and adjusted risk ratios of chronic disease (Reference: age-, sex-, geography- and median community income-matched general population cohort)

From: Canadian Veteran chronic disease prevalence and health services use in the five years following release: a matched retrospective cohort study using routinely collected data

  Number of events (%) Crude risk ratio
(95% CI)
p Adjusted risk ratio*
(95% CI)
p
Veterans
(n = 30,576)
General Population
(n = 122,293)
Asthma 1,561 (5.1%) 11,763 (9.6%) 0.51 (0.48–0.53)  < .0001 0.50 (0.48–0.53)  < .0001
COPD 470 (1.5%) 5,631 (4.6%) 0.32 (0.29–0.36)  < .0001 0.32 (0.29–0.36)  < .0001
Hypertension 3,768 (12.3%) 21,163 (17.3%) 0.71 (0.69–0.74)  < .0001 0.74 (0.71–0.76)  < .0001
Diabetes 1,411 (4.6%) 7,688 (6.3%) 0.72 (0.68–0.76)  < .0001 0.71 (0.67–0.76)  < .0001
Myocardial infarction 134 (0.4%) 705 (0.6%) 0.76 (0.63–0.91) 0.004 0.76 (0.63–0.92) 0.004
Rheumatoid arthritis 104 (0.3%) 550 (0.4%) 0.76 (0.61–0.93) 0.009 0.74 (0.60–0.92) 0.006
  1. CI Confidence intervals, COPD Chronic obstructive pulmonary disease
  2. *adjusted for age, sex, region of residence, median community income quintile and rurality through matching and inclusion of covariates in the statistical model