Item

Mean

SD

Skewness (SE)

Kurtosis (SE)

Overall GHQ score

3.74

2.57

0.902 (0.069)

−1.189 - (0.137)

Have you been able to concentrate on whatever you are doing?

0.3

0.46

0.036 (0.069)

−2.450 - (0.137)

Have you lost much sleep over worry?

0.49

0.50

−1.423 - (0.137)

0.713

Have you felt that you were playing a useful part in things?

0.48

0.47

0.580 (0.069)

−1.423 - (0.137)

Have you felt capable of making decisions about things?

0.21

0.48

0.974 (0.069)

−1.346 - (0.137)

Have you felt constantly under strain?

0.45

0.24

0.552 (0.069)

−1.053 - (0.137)

Have you felt that you could not overcome your difficulties?

0.36

0.48

1.227 (0.069)

−1.298 - (0.137)

Have you been able to enjoy your normal day-to-day activities?

0.28

0.43

1.295 (0.069)

−0.495 - (0.137)

Have you been able to face up to your problems?

0.37

0.42

1.327 (0.069)

−0.324 - (0.137)

Have you been feeling unhappy and depressed?

0.24

0.48

0.580 (0.069)

−0.240 - (0.137)

Have you been losing confidence in yourself?

0.23

0.50

0.090 (0.069)

−1.395 - (0.137)

Have you been thinking of yourself as a worthless person?

0.22

0.41

1.400 (0.069)

−0.041 - (0.137)

Have you been feeling reasonably happy, all things considered?

0.361

0.428

1.217 (0.069)

−0.520 - (0.137)