Table 1.

General Health Questionnaire (n = 2120).

Items	M (SD)
1. Have you been able to concentrate well on what you are doing?	2.40 (0.69)
2. Have your worries made you lose a lot of sleep?	2.47 (0.99)
3. Have you felt that you are playing a useful role in life?	1.98 (0.69)
4. Have you felt capable of making decisions?	2.09 (0.54)
5. Have you felt constantly overwhelmed and stressed?	2.68 (0.90)
6. Have you had the feeling that you cannot overcome your difficulties?	2.13 (0.88)
7. Have you been able to enjoy your normal daily activities?	2.62 (0.89)
8. Have you been able to adequately cope with problems?	2.26 (0.59)
9. Have you felt unhappy or depressed?	2.22 (0.99)
10. Have you lost confidence in yourself?	1.69 (0.85)
11. Have you thought that you are a worthless person?	1.44 (0.78)
12. Do you feel reasonably happy considering all the circumstances?	2.27 (0.67)
Scale total (over 12 points)	3.97 (3.43)
Presence of psychological distress (cut point ≥ 3)	(%)
Yes	57.2
No	42.8