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Table 1 Employee and workplace characteristics and baseline scores of outcome variables in the intervention and the control group in the study sample

From: Effect of a participatory organizational-level occupational health intervention on job satisfaction, exhaustion and sleep disturbances: results of a cluster randomized controlled trial

  Intervention group Control group Chi2 (p) t (p)
  Mean SD % n Mean SD % n   
Employee characteristic     423     241   
 Age 42.9 10.4    44.9 9.8     2.43 (0.02)
 Women    87.0 368    90.0 217 1.36 (0.24)  
 Job group   2.05 (0.56)  
  - Pedagogical leaders    6.6 28    6.2 15   
  - Nursery nurses    57.2 242    52.7 127   
  - Nursery nurse assistants    28.4 120    30.7 74   
  - Other job groups    7.8 33    10.4 25   
Workplace characteristics     41     30   
 Size 23.4 8.4    21.8 9.6     -2.25 (0.02)
 Workplace type   2.26 (0.32)  
  - Integrated    77.1 326    79.7 192   
  - Day care    18.7 79    18.3 44   
  - Kindergarden    4.3 18    2.1 5   
Baseline scores of outcome variables    
 Job satisfaction 3.19 0.57   409 3.02 0.70   228   -3.11 (0.002)
 Exhaustion 2.72 1.13   411 3.01 1.26   234   3.06 (0.002)
 Sleep disturbances 2.04 1.28   409 2.34 1.40   226   2.68 (0.008)
  1. Statistically significant results are printed in bold