Table 3 Item-to-subscale correlations for the strain domain of the M-NCAS (28 items) at baseline

Item 1:

Seems to behave in a completely aimless way

Item 2:

Is anxious

Item 3:

Is unpredictable

Item 4:

Does things for a reason

Item 6:

Is calm

Item 7:

Is apathetic/seems to have limited emotions

Item 9:

Is rewarding to work with

Item 10:

Is grateful for what is done for him/her

Item 15:

Is ungrateful for the care he/she receives

Item 24:

Friendly

Item 32:

Gives no job satisfaction

Item 8:

Is selfish

Item 11:

Is paranoid

Item 13:

Is attention seeking

Item 14:

Is manipulative

Item 18:

Has to concentrate exclusively on his/her own needs in order to survive

Item 20:

Is deliberately difficult

Item 25:

Needs someone close by all the time/is demanding

Item 21:

Tries to maintain some independence

Item 22:

Knows what he/she wants and stands up for his/herself

Item 28:

Is stubborn/resistive

Item 29:

Is aggressive/hostile

Item 31:

Compliant/voluntarily co-operative

Item 16:

Is frightened/vulnerable

Item 17:

Is lonely

Item 23:

Seems to experience the normal range of emotions

Item 26:

Has an empty life

Item 30:

Has a meaningful life