Table 3 Estimated intervention effects...

Table 3

Estimated intervention effects on total sickness absence, by presence of the identified supporting factors

		Phase I					Phase I + II + III
		n (groups)	Estimated effect¹ (β)	95% CI	p-value	Type 3 test p-value	n (groups)	Estimated effect¹ (β)	95% CI	p-value	Type 3 test p-value
Presence of supporting conditions
	None	2	−0.35	(−2.1–1.4)	0.7	0.001	2	−0.24	(−1.9–1.5)	0.8	<0.001
	Some²	3	−1.7	(−3.2– −0.14)	0.03		4	−1.3	(−2.6–0.02)	0.05
	All	3	−2.9	(−4.4– −1.4)	<0.001		2	−4.2	(−5.9– −2.4)	<0.001

		Phase I					Phase I + II + III
		n (groups)	Estimated effect¹ (β)	95% CI	p-value	Type 3 test p-value	n (groups)	Estimated effect¹ (β)	95% CI	p-value	Type 3 test p-value
Presence of supporting conditions
	None	2	−0.35	(−2.1–1.4)	0.7	0.001	2	−0.24	(−1.9–1.5)	0.8	<0.001
	Some²	3	−1.7	(−3.2– −0.14)	0.03		4	−1.3	(−2.6–0.02)	0.05
	All	3	−2.9	(−4.4– −1.4)	<0.001		2	−4.2	(−5.9– −2.4)	<0.001

Note(s): ¹Estimated difference (%) between pre- and post-intervention using mixed effect models

²One out of three for phase I, and two or three out of eight for phases I + II + III

CI = confidence interval