Table 3

Meta-regression estimates of effect size moderated by diagnosis, country of origin, number of components in interventions, type of components in interventions and study quality

	Regression coefficient	SE	95% lower CI	95% upper CI	Z-value	P value
Meta-regression estimates of effect size moderated by diagnosis
Depression	0.04	0.14	−0.25	0.34	0.30	0.77
Stress	0.22	0.09	0.03	0.42	20.37	0.02†
Other*	−0.07	0.11	−0.299	0.16	−0.06	0.52
Constant	0.09	0.06	−0.04	0.21	1.44	0.16
Meta-regression estimates of effect size moderated by country of origin
Denmark	0.14	0.11	−0.08	0.35	1.28	0.21
Sweden	0.00	0.13	−0.26	0.26	0.00	0.99
Other countries	0.13	0.16	−0.20	0.45	0.79	0.43
Constant	0.10	0.06	−0.03	0.23	1.51	0.23
Meta-regression estimates of effect size moderated by number of components
0 components	0.10	0.09	−0.09	0.29	1.05	0.30
2 components	0.36	0.08	0.19	0.53	4.37	0.00‡
3 or more	0.25	0.12	0.01	0.49	2.12	0.04†
Constant	−0.00	0.05	−0.11	0.10	−0.09	0.93
Meta-regression estimates of effect size moderated by specific components
Org. change	−0.15	0.11	−0.37	0.07	−1.41	0.17
Graded return to work	0.10	0.15	−0.21	0.40	0.66	0.51
Therapy	0.01	0.10	−0.19	0.22	0.13	0.90
Contact to work place	0.21	0.09	0.03	0.39	2.31	0.02†
Constant	0.08	0.08	−0.08	0.24	1.05	0.30
Meta-regression estimates of effect size moderated by study quality
High quality	0.05	0.10	−0.15	0.26	0.53	0.60
Poor quality	0.17	0.13	−0.09	0.43	1.31	0.20
Constant	0.11	0.06	−0.01	0.22	1.92	0.06

↵*Anxiety, somatoform disorders and personality disorders.
†Significant at p=0.05.
‡Significant at p=0.01.