Psychometric Properties of the Smartphone Addiction Scale—Short Version Among Nursing Students in Greece

Background: Problematic smartphone use has been increasingly reported among university students, including nursing students, yet the availability of brief, culturally appropriate, and psychometrically sound assessment instruments in Greece remains limited. Aim: This study aimed to translate and culturally adapt the Greek version of the Smartphone Addiction Scale—Short Version (SAS-SV) and to evaluate its psychometric properties, including internal structure, reliability, and convergent validity with the Mobile Phone Problem Use Scale-10, among nursing students in Greece. Methods: In a cross-sectional study, nursing students from multiple departments across Greece (N = 331) completed the Greek SAS-SV, distributed online via official university forums, student groups, and institutional social media pages, between September 2025 and November 2025. We conducted exploratory and confirmatory factor analyses using polychoric correlations, examined convergent validity, performed exploratory comparisons across demographic characteristics, and estimated the reliability of the SAS-SV. Results: Confirmatory factor analysis was consistent with a one-factor structure and showed acceptable model fit. Internal consistency was high (Cronbach’s α was 0.862 and McDonald’s omega was 0.891), with supportive evidence of convergent validity through its correlation with the MPPUS-10 (Spearman’s ρ = 0.772, p < 0.001). Conclusions: The Greek SAS-SV showed acceptable psychometric properties among nursing students and seems appropriate for research purposes in Greece.