Development and validation of 21-item outcome inventory (OI-21).

ABSTRACT:

Background

Outcome measurement is important for monitoring patients' progress. The study aimed to develop an outcome inventory (OI) for clinical use in routine practice in psychiatric services and to examine the psychometric properties of the newly developed OI.

Methods

48 items measuring anxiety, depression, interpersonal difficulties, and somatization were collected. Factor analysis was used to reduce the number of items. The final OI consisting of 21 items was then examined for psychometric properties among 1302 participants, 880 were nonclinical and 422 clinical patients. Tests included confirmatory factor analysis, internal consistency, test-retest reliability, convergent and discriminant validity, and diagnostic ability for major depression. Responsiveness was compared

SUBMITTER: Wongpakaran N 

PROVIDER: S-EPMC9193908 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature