Research Article

Prognostic Factors of Returning to Work after Sick Leave due to Work-Related Common Mental Disorders: A One- and Three-Year Follow-Up Study

Table 2

Bivariate associations between independent factors at baseline and RTW full-time or not one and three years after baseline.

One yearBoth one and three years
Full-time jobCase Full-time jobCase

1507311132
Demographics
 Age, mean (SD) 44.8 (8.6)42.8 (9.7)0.1444.7 (7.8)43.6 (11.1)0.52
 Women %79.382.20.3874.670.70.68
 Blue collar/white collar/academic worker %34.9/49.7/15.637.3/53.3/9.30.4130.6/54.8/14.539.5/52.6/7.90.42
 Public sector %68.471.20.7168.274.50.46
 Married %64.657.10.3062.435.90.005
 Alcohol (U/week), mean (SD)4.3 (5.1)3.6 (4.6)0.294.3 (4.5)3.9 (5.0)0.66
 Treatment group %
  I70.030.00.8780.419.60.68
  II63.836.271.228.6
  TAU (III)64.835.271.828.2
  WLCG (IV)65.534.570.629.4
Psychosocial work environment
 High demands, mean (SD)61.9 (12.4)66.6 (15.5)0.0261.4 (12.2)65.6 (15.6)0.11
 Low decision and authority, mean (SD)56.1 (21.7)64.7 (22.0)0.00756.6 (21.5)62.8 (22.2)0.16
 Low skill discretion, mean (SD)32.5 (16.0)35.3 (16.5)0.2432.3 (15.5)35.9 (16.2)0.24
 Low meaningfulness, mean (SD)32.1 (19.6)32.0 (21.2)0.9832.2 (20.5)32.2 (20.9)0.99
 Low predictability, mean (SD)55.1 (23.5)61.6 (22.9)0.0656.6 (23.0)56.6 (21.1)0.91
 Low reward, mean (SD)49.7 (24.2)57.4 (24.7)0.0351.9 (24.1)57.2 (26.9)0.29
 Low role clarity, mean (SD)43.5 (22.3)42.0 (22.4)0.6744.1 (22.3)37.2 (18.2)0.11
 Low support from leader, mean (SD)52.3 (24.9)60.2 (26.4)0.0353.6 (25.0)56.4 (27.7)0.57
 Low degree of justice, mean (SD)55.3 (20.4)59.0 (19.8)0.2157.3 (20.8)60.2 (20.1)0.50
 Bullying, mean (SD)1.4 (0.9)1.7 (1.1)0.051.4 (0.9)1.6 (1.1)0.41
 Work environment index (4 items), mean (SD)2.3 (0.4)2.4 (0.6)0.052.2 (0.4)2.3 (0.5)0.50
 Life events last year score (5 items), mean (SD)1.3 (1.9)1.4 (2.3)0.021.5 (1.8)1.5 (1.8)0.89
Severity of condition
 Global symptom index (GSI) (SCL92), mean (SD)1.2 (0.5)1.3 (0.5)0.051.23 (0.5)1.3 (0.6)0.35
 Somatic symptom score (SCL92), mean (SD)1.3 (0.8)1.5 (0.8)0.171.4 (0.8)1.50.15
 Depression score (SCL92), mean (SD) 1.7 (0.8)1.8 (0.8)0.561.7 (0.8)1.8 (0.8)0.57
 Anxiety score (SCL92), mean (SD)1.3 (0.7)1.4 (0.7)0.191.4 (0.7)1.4 (0.7)0.98
 Antidepressant medication %15.918.80.6915.217.20.78
 Work ability index, mean (SD)2.8 (2.2)1.8 (2.0)0.0012.9 (2.2)1.7 (2.1)0.04
 Stress, mean (SD)3.7 (0.9)4.0 (0.9)0.113.8 (0.9)4.1 (0.9)0.19
 Full-time sick leave at baseline %62.576.80.0361.582.10.02
 Days with full-time sick leave at baseline, mean (SD)40.9 (49.4)57.0 (80.9)0.0443.6 (51.2)46.4 (58.4)0.68

TAU: treatment as usual (III).
WLCG: wait list control group (IV).