| Cronbach’s alpha | Spearman-Brown coefficient |
GHQ-12 | 0.819 | 0.800 |
Problem solving | 0.892 | 0.869 |
Avoidance | 0.795 | 0.822 |
Seeking social support | 0.894 | 0.875 |
Extraversion | 0.848 | 0.822 |
Neuroticism | 0.946 | 0.940 |