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. 2014 Sep 19;14:411. doi: 10.1186/1472-6963-14-411

Table 3.

The effect of reorganization on sickness absence - education interaction effects

Change in number of days Change in number of days
Random effects a Fixed effects
Coeff. IRR CI Coeff. IRR CI
Age 1.10*** 1.09-1.12 1.14 1.12-1.16
Reorganization (low degree as reference)
Moderate (Tertiary, lower) 1.15 0.98-1.34 1.11 0.95-1.29
High (Tertiary, lower) 1.01 0.86-1.19 0.99 0.85-1.16
Primary × moderate 0.85 0.68-1.07 0.85 0.67-1.08
Primary × high 1.13 0.88-1.45 1.12 0.87-1.43
Secondary × moderate 1.01 0.83-1.23 1.01 0.82-1.25
Secondary × high 1.13 0.92-1.39 1.13 0.91-1.39
Secondary health training × moderate 0.99 0.80-1.22 0.99 0.82-1.20
Secondary health training × high 0.99 0.80-1.22 0.99 0.80-1.21
Trained nurses × moderate 1.01 0.85-1.19 1.01 0.85-1.20
Trained nurses × high 1.12 0.93-1.35 1.12 0.94-1.34
Tertiary, higher degree × moderate 0.96 0.57-1.63 0.96 0.59-1.56
Tertiary, higher degree × high 1.41 0.78-2.56 1.40 0.81-2.45
Physicians × moderate 1.08 0.78-1.50 1.07 0.78-1.46
Physicians × high 1.51* 1.05-2.19 1.50* 1.05-2.14
N (Person-years) 106,715 31,324
N (Persons) 68,630 15,662

Note: Poisson regression. Incidence Rate Ratio shown with 95% confidence intervals using robust standard errors computed with vce(bootstrap). Significance probabilities (***p < .001, *p < .05).

aGender and main effects for education were included in the random effects model.