Table 1.
Item analysis (discrimination analysis) and item-scale correlation of the Chinese version of the Warwick-Edinburgh Mental Well-being Scale.
| Item | Low-score group (n=171), mean (SD) score | High-score group (n=164), mean (SD) score | t (decision value) | P value | Item-scale correlation, r |
| 1 | 1.78 (0.68) | 3.91 (0.98) | –23.125 | <.001 | 0.778 |
| 2 | 1.56 (0.51) | 3.66 (0.99) | –24.248 | <.001 | 0.823 |
| 3 | 1.81 (0.53) | 4.24 (0.81) | –32.428 | <.001 | 0.831 |
| 4 | 1.77 (0.65) | 4.05 (0.94) | –25.866 | <.001 | 0.727 |
| 5 | 1.88 (0.56) | 4.43 (0.67) | –37.806 | <.001 | 0.859 |
| 6 | 1.75 (0.46) | 3.89 (0.87) | –27.92 | <.001 | 0.862 |
| 7 | 1.75 (0.43) | 3.84 (0.90) | –26.892 | <.001 | 0.871 |
| 8 | 1.76 (0.45) | 4.16 (0.78) | –34.36 | <.001 | 0.900 |
| 9 | 1.70 (0.48) | 3.73 (0.96) | –24.182 | <.001 | 0.842 |
| 10 | 1.82 (0.53) | 4.12 (0.79) | –31.044 | <.001 | 0.870 |
| 11 | 1.72 (0.48) | 3.70 (1.00) | –22.947 | <.001 | 0.819 |
| 12 | 1.69 (0.48) | 3.77 (0.89) | –26.601 | <.001 | 0.817 |
| 13 | 1.73 (0.50) | 3.96 (0.91) | –27.705 | <.001 | 0.789 |
| 14 | 1.77 (0.46) | 4.04 (0.81) | –31.21 | <.001 | 0.879 |