Validation of a Korean Version of Fertility Problem Inventory

Kim, Ju Hee; Shin, Hye Sook

Abstract

PURPOSE
The Fertility Problem Inventory (FPI) is a screening instrument used to identify infertility-related stress. The purpose of this study was to assess the reliability and validity of the Korean version of the FPI.
METHODS
Forward-backward translation of the FPI from English to Korean was conducted. The translated instrument was pilot-tested and administered to 259 women with infertility. Test-retest reliability was conducted and the internal consistency coefficient was determined. Validity was evaluated through content validity, construct validity with confirmatory factor analysis, discriminant validity, and convergent validity.
RESULTS
The internal consistencywas satisfactory (Cronbach's alpha=.92, item-total correlations=.60-.92). The overall content validity index was 96.9%, signifying that the FPI had good content validity. The model fit indexes were acceptable (goodness of fit index=.92, adjusted goodness of fit index=.91, normal fit index=.95, comparative fit index=.93, and rootmean square error of approximation=.05), indicating good construct validity. The intercorrelations were significant, although low to moderate in size (.20-.59). The correlation between the FPI and depression ranged from .32 to .51 (p < .001), while the correlation between the FPI and the fertility-related quality of life ranged from -.35 to -.58 (p < .001).
CONCLUSION
The Korean version of the FPI has high reliability, and good content, construct, discriminant, and convergent validity. A validated Korean version of the FPI may help nurses identify infertility-related stress and administer appropriate nursing interventions to Korean women with infertility.