Skills of Health-Workers in Providing a Self-Care Program for Pre-Diabetic Individuals; Psychometrics of a Questionnaire

Aims Health-promoting behaviors are considered the most basic health criteria for the elderly. This study aimed to identify the correlation between Electronic Health Literacy and healthpromoting behaviors among the elderly. Instrument Methods The questionnaire’s psychometric properties were evaluated utilizing face validity by 15 health workers, content validity was evaluated by ten experts (5 health education and health promotion experts, three diabetes experts, and two general practitioners), and construct validity, internal consistency, and stability were assessed by 400 health workers who were randomly selected. Findings Due to the results of investigating the texts and interviews, the initial questionnaire, including 54 phrases, was presented. In the face validity section, eight expressions were removed quantitatively. Then, in identifying content validity, three other words were deleted, and the questionnaire was reduced to 43 phrases in general. This questionnaire’s exploratory factor analysis revealed four factors: self-efficacy, attitude, reinforcing factors, and enabling factors. These four factors explained 57.51% of the total variance of the test. The confirmatory factor analysis results also confirmed the factors of the PRECEDE-PROCEED model. Cronbach’s alpha and intra-cluster correlation index for questionnaire structures ranged from 0.87-0.88 and 0.87-0.88, respectively. Conclusion The designed questionnaire has good validity and reliability.