Psychometric properties of the Yonsei Lifestyle Profile‐BREF of community‐dwelling older adults

Background Lifestyle is important indicator of health and well-being among older adults. Therefore it to measure the individual’s lifestyles effectively. This study aimed examine validity reliability Yonsei Profile-BREF (YLP-BREF). Method In total, 569 community-dwelling adults were recruited via an online survey. Confirmatory factor analysis a one-factor model was conducted for each three domainsof YLP-BREF. The total score YLP-BREF domain evaluated convergent divergent using WHO quality life scale center epidemiologic studies depression scale. Additionally, Cronbach’s alpha examined. Finally, optimal cutoff established receiver operating characteristic curve analysis. Result five items physical activity demonstrated acceptable fit (CFI = 0.962; TLI 0.923; RMSEA 0.095; SRMSR 0.033). four participation illustrated except Tucker–Lewis index 0.959, 0.876, 0.080, 0.022). All 13 nutrition showed 0.927; 0.913; 0.076; 0.047). good (r 0.85) 0.61), but insufficient 0.43). Convergent validities 0.17–0.32, p<0.001; r 0.01—0.10, p<0.001). cut-off 9 activity, 6 participation, 28 Conclusion reliable valid self-report questionnaire measuring multifaceted lifestyle factors in South Korea.