Table 1 Baseline characteristics (N = 280) (year of financial data = 2012)
|  | Intervention (n = 131) | Control (n = 149) | p-value |
|---|---|---|---|
Age, mean (sd) | 45.14 (10.01) | 46.41 (10.96) | 0.31 (a) |
Gender, N (%) | |||
 Female | 83 (63) | 86 (58) | 0.34 (b) |
 Male | 48 (37) | 63 (42) | |
Education, N (%)†| |||
 Low | 5 (4) | 6 (4) | 0.67 (b) |
 Intermediate | 85 (65) | 98 (66) | |
 High | 41 (31) | 45 (30) | |
Working hours, mean (sd) | 29.41 (10.39) | 31.04 (11.68) | 0.22 (a) |
Job contract, N (%) | |||
 Entrepreneur | 6 (5) | 13 (9) | 0.21(b) |
 Employee (permanent employment) | 99 (76) | 114 (77) | |
 Employee (temporary employment towards permanent employment) | 8 (6) | 7 (5) | |
 Employee (temporary employment/fixed term) | 12 (9) | 10 (7) | |
 Interim temporary worker | 1 | 1 | |
 On call worker/substitute | 0 | 3 (2) | |
 Social Employment Law worker | 5 (4) | 1 | |
Supervisor, N (%) | |||
 One | 116 (89) | 130 (87) | 0.74 (b) |
 More than one | 15 (11) | 19 (13) | |
Managerial position, N (%) | 39 (30) | 40 (27) | 0.59 (b) |
Shift work, N (%) | 29 (22) | 30 (20) | 0.83 (b) |
Job sector, N (%) | |||
 Craft and industry | 15 (11) | 25 (17) | 0.46(b) |
 Transport | 8 (6) | 9 (6) | |
 Administration | 20 (15) | 12 (8) | |
 Commercial | 14 (11) | 22 (15) | |
 Services | 18 (14) | 23 (15) | |
 Heath and care | 32 (24) | 33 (22) | |
 Teaching | 11 (8) | 7 (5) | |
 Specialist (discipline, expertise) | 10 (7) | 15 (10) | |
 Agriculture | 3 (2) | 3 (2) | |
Self-rated general health¥, mean (sd) | 72.69 (21.5) | 75.6 (21.3) | 0.26 (a) |
Long term disability, N (%) | 51 (40) | 61 (39) | 0.73 (b) |
Days absent from work past 6 months, mean (sd) | 15.14 (30.65) | 8.34 (18.43) | 0.07 (a) |
EQ-5D-5 L Utilities, mean (sd)₸ | 0.83 (0.16) | 0.84 (0.15) | 0.73 (a) |
RTW-Self efficacy, mean (sd) | 4.74 (1.29) | 4.77 (1.15) | 0.83 (a) |
Costs, mean in € (sd) | |||
Health care utilization | 452.74 (647) | 562.28 (2079) | 0.56 (c) |
Medication and aids | 54.04 (135) | 47.74 (114) | 0.47 (c) |
Patient and family | 46.83 (96.11) | 38.47 (77.41) | 0.42 (c) |
 Informal care | 11.03 (66.9) | 5.97 (34.47) | 0.42 (c) |
 Travel and parking | 35.8 (46.07) | 32.5 (61.88) | 0.62 (c) |
Productivity | 3906.58 (10,878.11) | 2201.14 (5208.97) | 0.09 (c) |
 Absenteeism | 2426.83 (5555.2) | 1245.96 (3403.87) | 0.36 (c) |
 Presenteeism | 1479.75 (6312.95) | 955.18 (3205.42) | 0.37 (c) |