| Intervention group (n = 95) | Control group (n = 121) | Statistical tests | ||||
---|---|---|---|---|---|---|---|
Mean | Sd | Mean | Sd | t/χ2 | df | p-value | |
Age | 38.31 | 9.13 | 35.75 | 9.19 | 2.02 | Â | 0.045 |
Duration in employment | 11.23 | 9.02 | 8.90 | 8.34 | – | – | 0.023 |
Duration in RMNH | 8.61 | 8.93 | 7.52 | 7.93 | – | – | 0.331 |
Sex | |||||||
 Male | 29 (35%) |  | 30 (35%) |  | 0.88 | 1 | 0.348 |
 Female | 66 (23%) |  | 91 (32%) |  |  |  |  |