Table 2

Means of organisational justice at baseline and at follow up by baseline characteristics; repeated measures analysis of variance for group differences in levels of and changes in (level × time interactions) organisational justice

		Procedural justice				Relational justice
		Mean		Difference		Baseline		Mean
Baseline characteristic	n	Baseline	Follow up	Level	Level × time	Baseline	Follow up	Level	Level × time
No sex differences in levels of procedural justice (p=0.354) and relational justice (p=0.173). There was a declining trend in procedural and relational justice (p<0.001).
Men	407	2.83	2.72			3.65	3.61
Age (years)
<45	187	2.70	2.55	<0.001	0.187	3.70	3.61	0.557	0.329
≥45	220	2.94	2.87			3.61	3.60

Income (1000 FIM per year)
≤137.9	178	2.68	2.61	0.003	0.240	3.56	3.46	0.029	0.432
>137.9	198	2.96	2.81			3.71	3.69

Medically certified sickness absence
No	270	2.85	2.74	0.188	0.499	3.74	3.69	0.003	0.995
Yes	104	2.70	2.64			3.46	3.41

Minor psychiatric morbidity (GHQ-12 ≥4)
No	326	2.90	2.80	<0.001	0.295	3.70	3.64	0.047	0.416
Yes	77	2.56	2.37			3.45	3.48

Poor self rated health status
No	315	2.90	2.76	0.004	0.167	3.75	3.67	<0.001	0.146
Yes	90	2.57	2.55			3.30	3.37

Women	3325	2.84	2.73			3.62	3.55
Age (years)
<45	1631	2.79	2.67	<0.001	0.311	3.60	3.50	0.017	0.115
≥45	1694	2.89	2.79			3.65	3.59

Income (1000 FIM per year)
≤123.5	1470	2.96	2.84	<0.001	0.271	3.65	3.56	0.413	0.205
>123.5	1817	2.74	2.64			3.61	3.55

Medically certified sickness absence
No	1807	2.86	2.72	0.361	0.101	3.68	3.60	<0.001	0.448
Yes	1200	2.81	2.72			3.58	3.48

Minor psychiatric morbidity (GHQ-12 ≥4)
No	2577	2.88	2.76	<0.001	0.110	3.67	3.59	<0.001	0.881
Yes	700	2.69	2.62			3.46	3.39

Poor self rated health status
No	2702	2.85	2.73	0.560	0.039	3.64	3.56	0.056	0.950
Yes	603	2.80	2.74			3.56	3.49