Table 2.

Overview of the questionnaires used in the DISC Study

Outcome measure	Questionnaire
Diabetes-related quality of life	Diabetes-specific quality-of-life scale [40]
Depression	4DKL (Four-Dimensional Compliant Questionnaire)
Knowledge	SKILLD (spoken knowledge in low literacy in diabetes scale) [41]
Outcome expectations	OEDM-P (Outcome Expectations for Diabetes Self-Management-positive) OEDM-N (Outcome Expectations for Diabetes Self-Management-negative) [42]
Self-efficacy	Diabetes self-efficacy scale [43,44]
Coping skills	DPSI [45]
Social network	Compilation from the Social Capital Question Bank [46,47]
Social support	DSSQ-Family Version DSSQ-Friends Version [48,49]
Social influence	TpB Questionnaire [50]