Table 2.

Ratio of annual days of sickness absence after versus before implementing RTW-coordinator model by case/control group status. Generalized estimating equations analysis

	Cases		Controls		Group x time interaction, p-value
	RRpost- vs. pre-intervention	95% CI	RRpost- vs. pre-intervention	95% CI
Model 1
Sickness absence days, Total population
Three years before	1		1
Three years after	1.29	1.16–1.44	1.04	0.98–1.07	0.001
Sickness absence days, Reduced work ability
Three years before	1		1
Three years after	1.80	1.17–2.75	1.34	1.07–1.68	0.82
Model 2
Sickness absence days, Total population
Three years before	1		1
Three years after	1.26	1.14–1.40	1.03	0.97–1.08	0.0012
Sickness absence days, Reduced work ability
Three years before	1		1
Three years after	1.80	1.17–2.78	1.27	1.02–1.59	0.83

Model 1: Adjusted for sex, age, SES, and job contract

Model 2: Adjusted as Model 1 + psychiatric distress, health behaviour (smoking, alcohol intake and leisure-time physical inactivity)