GHQ-12 items | Mean | SDa | Skewness | Kurtosis | Response frequencies (%) | |||
---|---|---|---|---|---|---|---|---|
0 | 1 | 2 | 3 | |||||
1. Able to concentrate | 2.10 | 1.05 | −0.893 | −0.484 | 13.6 | 10.3 | 29.0 | 47.1 |
2. Lost much sleep | 1.99 | 1.05 | −0.676 | −0.791 | 13.2 | 15.6 | 29.9 | 41.3 |
3. Playing a useful part | 1.94 | 1.13 | −0.601 | −1.084 | 17.2 | 15.2 | 23.9 | 43.7 |
4. Capable of making decisions | 2.01 | 1.10 | −0.709 | −0.882 | 15.1 | 14.2 | 25.4 | 45.3 |
5. Under stress | 1.85 | 1.06 | −0.455 | −1.032 | 14.7 | 20.1 | 30.5 | 34.7 |
6. Could not overcome difficulties | 1.90 | 1.13 | −0.548 | −1.133 | 18.0 | 15.5 | 25.2 | 41.3 |
7. Enjoy your day-to-day activities | 1.99 | 1.09 | −0.658 | −0.944 | 14.9 | 15.7 | 25.2 | 44.1 |
8. Face up to problems | 2.02 | 1.12 | −0.785 | −0.816 | 17.3 | 9.6 | 26.6 | 46.4 |
9. Feeling unhappy and depressed | 2.14 | 1.08 | −0.939 | −0.505 | 13.7 | 10.8 | 23.6 | 52.0 |
10. Losing confidence | 1.50 | 1.17 | 0.008 | −1.479 | 27.9 | 22.5 | 21.3 | 28.3 |
11. Thinking of self as worthless | 2.12 | 1.08 | −0.869 | −0.662 | 13.3 | 13.4 | 21.2 | 52.0 |
12. Feeling reasonably happy | 2.06 | 1.06 | −0.813 | −0.620 | 13.8 | 11.9 | 29.2 | 45.1 |
Mean GHQ-12 score | 23.62 | 7.92 | Â | Â | Â | Â | Â | Â |