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Table 2 Electricians in year 1984-1992 (year 0), their employment category the next year (year 1) and the mortality rate ratio in year 2, 3-4 and 5-6 years, Denmark, men

From: Quantification of the healthy worker effect: a nationwide cohort study among electricians in Denmark

Employment category year 1 Mortality year 2 Mortality year 3-4 Mortality year 5-6
  MRR (95%CI) MRR (95%CI) MRR (95%CI)
Employed as electrician 1 (ref) 1 (ref) 1 (ref)
Employed not as electrician 4.04 (2.88-5.66) 2.14 (1.69-2.72) 1.34 (1.03-1.73)
Short-term sick leave 3.95 (2.62-5.98) 4.07 (3.10-5.34) 4.25 (3.23-5.61)
Long-term sick leave 15.7 (11.0-22.4) 13.2 (10.3-16.9) 13.0 (10.1-16.9)
Short-term unemployment 1.99 (1.26-3.14) 1.92 (1.42-2.62) 1.80 (1.31-2.48)
Long-term unemployment 1.91 (0.89-4.11) 2.51 (1.69-3.74) 2.69 (1.85-3.92)
Incapacity benefits 12.4 (7.18-21.4) 10.2 (7.62-13.6) 11.7 (9.05-15.0)
Number died 252 550 526
Number emigrated 54 112 90
Number disappeared 0 3 2
  1. MRR, mortality rate ratio; 95%CI, 95% confidence interval. All estimates are adjusted for age (5-year groups) and calendar year. Each person-interval could be in several categories at year 1. Therefore all MRRs are pairwise comparisons between the respective category in year 1 compared to electricians in year 1 (reference). The number in the reference group differed for each pairwise comparison.