Development and validation of patient diabetes knowledge questionnaire (PDKQ)

Figures & data

Fig. 1 Flow diagram describing the steps to develop and validate PDKQ

Table 1 Content validity ratio (CVR) to assess the clarity (expert validation)

Table 2 Wording problems in PDKQ

Table 3 Content validity index (I-CVI) and scale content validity index (S-CVI) for item relevancy and importance (expert validation)

Table 4 Content validity index (I-CVI) for item relevancy and importance (face validity)

Table 5 Demographic data of test–retest analysis (n = 36)

Table 6 PDKQ (20-item questionnaire)

Availability of data and materials

The datasets generated and/or analyzed during the current study are not publicly available due to confidentiality of patients, but are available from the corresponding author on reasonable request.