Table 6 Item statistics and reliability of the 3 subscales

Item 9: Have you been so stressed that you have been moving around a lot?

0.62 (0.91)

0.62 (0.91)

Item 11: Have you felt worried and afraid of what will happen?

1.02 (0.99)

1.0 (0.99)

Item 12: Have you found that you feel happy, then very quickly feel annoyed or sad?

1.05 (0.92)

1.1 (0.92)

Item 15: Have you spent a lot of time thinking about your life?

1.55 (1.0)

1.55 (1.0)

Item 16: Have you felt afraid?

0.69 (0.92)

0.69 (0.92)

Item 17: Have you felt confused?

0.90 (0.96)

0.9 (0.96)

Item 18: Have you stopped doing your normal activities (for example work, farming or college) because you don't feel able to continue?

0.71 (0.91)

0.71 (0.91)

Item19: Have you lost your temper over small things?

0.94 (0.97)

0.94 (0.97)

Item 13:Have you felt discouraged?

0.59 (0.87)

0.59 (0.87)

Item 14: Have you felt that you are a failure or have let yourself down?

0.47 (0.84)

0.47 (0.84)

Item 21: Have you avoided talking to people?

0.23 (0.62)

0.23 (0.62)

Item 22: Have you felt hopeless?

0.35 (0.73)

0.35 (0.73)

Item 25: Have you felt tired of living

0.22 (0.62)

0.22 (0.62)

Item 1: Have you had a poor appetite?

0.62 (0.91)

0.62 (0.91)

Item 2: Have you preferred to be alone?

0.39 (0.75)

0.39 (0.75)

Item 4: Have you felt frustrated?

0.74 (0.93)

0.74 (0.93)

Item5: Have you felt sad?

1.23 (1.0)

1.23 (1.0)

Item 7: Have you had difficulty in falling asleep or sleeping well?

0.85 (1.0)

0.85 (1.0)

Cronbach’s alpha

0.81

0.81

0.73

0.89