Older adults are increasingly relying on digital services for health, finance, and social communication. Confidence in internet use or internet use self‐efficacy plays a key role in determining whether and how older adults access these services. However, existing measurement tools have limited relevance for older adults, particularly in low‐ and middle‐income countries such as Thailand. This study is aimed at developing a culturally appropriate Internet Use Self‐Efficacy Scale (IUSES) for older adults in Thailand and evaluating its psychometric properties among this population. An 8‐item IUSES was developed based on Bandura′s social cognitive theory and a review of related literature. Content validity was ensured through expert consultation and pilot testing. A cross‐sectional survey was conducted with 687 older adults from Northeastern Thailand. Exploratory factor analysis (EFA), confirmatory factor analysis (CFA), and reliability tests were employed to evaluate the psychometric quality. EFA supported a unidimensional structure with high factor loadings (0.798–0.864), explaining 70.32% of the variance. CFA confirmed a good model fit ( χ 2 /df = 2.700, RMSEA = 0.065, CFI = 0.980, TLI = 0.949, and SRMR = 0.033). The composite reliability was acceptable (CR = 0.790), though average variance extracted was slightly below threshold (0.333). All items were statistically significant ( p < 0.001). In conclusion, the IUSES is a valid and reliable tool for assessing internet use self‐efficacy in older Thai adults. It can support digital inclusion strategies and future interventions. Further cross‐cultural validation is recommended.
Bamrungsin et al. (Thu,) studied this question.