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Table 5 Relative risks for cardio-cerebrovascular disease by health examination compliance and period among male participants

From: Effectiveness of workers’ general health examination in Korea by health examination period and compliance: retrospective cohort study using nationwide data

Male Ischemic heart disease Ischemic cerebrovascular disease Hemorrhagic cerebrovascular disease
Age and national insurance type period Subjects Cases RRe (95% CI) Cases RRe (95% CI) Cases RRe 95% CI
40s
 Non-office worker
  Non-compliant groupa   148,658 16,055 1.00 (ref) 6,363 1.00 (ref) 1,265 1.00 (ref)
  Compliant groupb   265,236 26,167 0.94 (0.93 to 0.95) 10,295 0.94 (0.92 to 0.96) 1,631 0.82 (0.79 to 0.86)
 National insurance type
  Non-office workerc 1 year 265,236 26,167 1.00 (ref) 10,295 1.00 (ref) 1,631 1.00 (ref)
  Office workerd 2 year 51,875 5,933 1.03 (1.02 to 1.03) 2,014 1.00 (0.99 to 1.01) 294 0.99 (0.97 to 1.01)
  Self-employedd 2 year 19,171 2,524 1.03 (1.02 to 1.03) 1,122 1.04 (1.03 to 1.04) 188 1.04 (1.02 to 1.06)
50s
 Non-office worker
  Non-compliant groupa   75,595 14,982 1.00 (ref) 7,714 1.00 (ref) 1,127 1.00 (ref)
  Compliant groupb   138,224 25,701 0.95 (0.94 to 0.96) 12,870 0.94 (0.92 to 0.96) 1,708 0.89 (0.85 to 0.93)
 National insurance type
  Non-office workerc 1 year 138,224 25,701 1.00 (ref) 12,870 1.00 (ref) 1,708 1.00 (ref)
  Office workerd 2 year 18,490 3,952 1.02 (1.02 to 1.03) 1,656 1.00 (0.99 to 1.00) 188 0.98 (0.96 to 0.99)
  Self-employedd 2 year 41,434 9,144 1.05 (1.05 to 1.06) 5,240 1.09 (1.08 to 1.10) 717 1.09 (1.07 to 1.12)
  1. aMissing at least one chance for health examination from 2002 to 2006
  2. bParticipate in total health examination chances from 2002 to 2006
  3. cOnly compliant group of non-office workers was selected: representing 1 year period health examination
  4. dOnly compliant group of office workers and self-employed was selected: representing 2 year period health examination
  5. eRelative risk and 95% confidence interval for cardio-cerebrovascular disease were estimated by SAS syntax: PROC GENMOD