Instrument

Items

Alpha Cronbach

Short form health survey

11

0.734

Depressive symptoms scale

9

0.777

Diabetes self care (Importance of care)

2

0.636

Diabetes self care (Complications in treatment)

4

0.700

Diabetes self-care (Treatment relevance)

7

0.657

Diabetes self care (Ability)

4

0.929

Diabetes self care (Quiet medical treatment)

4

0.619