Table 3.

Number (n) and proportion of participants with different levels of sick leave days in net days over 24 months in the study population per intervention group (n = 132) and control group (n = 139)

Sick leave days in net days	Intervention group		Control group		95% C.I.*
	n	percent	n	percent
0 days	76	57.6	73	52.5	(–0.068,0.169)
15–90 days	31	23.5	37	26.6	(–0.134,0.072)
91–180 days	13	9.8	16	11.6	(–0.09,0.057)
181–365 days	8	6.1	6	4.3	(–0.035,0.07)
366–548 days	2	1.5	7	5.0	(–0.077,0.007)
549–730 days	2	1.5	0	0	n.a.

Note: ^*95% confidence interval for the difference between the groups’ proportions of participants with sick leave days.