Psychometric analysis of the Inventory of Functional Status--Cancer (IFS-CA) in Turkish women.

The aim of this study was to test the reliability and validity of the Turkish version of the Inventory of Functional Status- Cancer (IFS-CA). The questionnaire was composed of four subscales that measured to what extent a woman maintained her usual household and family, social and community, personal care, and occupational activities. Internal consistency reliability using average correlations for the subscale item to subscale total scores ranged from .21 to .97. Construct validity was accomplished by examination of subscale correlations, which ranged from -.10 to .70. The Turkish version of the IFS-CA is found to be psychometrically reliable and valid.