[Accessing factor structure and construct validity of the successful aging inventory].
OBJECTIVE
The purpose of this study was to evaluate the reliability and validity of the Korean version of the Successful Aging Inventory (SAI-K) to determine its suitability for use with older Korean adults.


METHODS
Exploratory and confirmatory factor analyses were utilized to assess the factor structure and the construct validity of the SAI-K. First- and second-order Confirmatory Factor Analysis (CFA) were conducted to identify the most adequate model. Cronbach's alpha was used to test the reliability.


RESULTS
Using a second-order CFA, a four-factor structure was validated (χ²=122.82, p<.001, GFI=.92, AGFI=.88, SRMR=.06 RMSEA=.07, 90% CI=.05-.09, CFI=.93). The four-factor SAI-K showed reliable internal consistency with a Cronbach's alpha for the total scale of .86.


CONCLUSIONS
The four-factor, 13-item SAI-K showed satisfactory reliability and validity and, thus, has the potential to be an appropriate instrument for measuring successful aging in older Korean adults.
Department of Nursing, Daejeon University, Daejeon, Korea. ejkim@dju.kr.
Eun Joo
EJ
Kim
D000223:Adaptation, Psychological; D000368:Aged; D000375:Aging; D003405:Creativity; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010549:Personal Satisfaction; D010555:Personality Inventory; D011788:Quality of Life; D011795:Surveys and Questionnaires; D014175:Translating
Aging; Factor analysis; Reliability and validity