A 13-item Health of the Nation Outcome Scale (HoNOS-13): validation by item response theory (IRT) in patients with substance use disorder.

ABSTRACT:

Background

The Health of the Nation Outcome Scale (HoNOS) is a widely used 12-item tool to assess mental health and social functioning. The French version has an added 13th item measuring adherence to psychotropic medication. The aim of the current study is to uncover the unknown pattern of the new item 13 and to compare the unidimensional and multidimensional fit of the new HoNOS-13 using Item Response Theory (IRT). This research question was studied among inpatients with substance use disorder (SUD).

Methods

Six hundred and nine valid questionnaires of HoNOS-13 were analyzed using unidimensional (one-factor) and multidimensional (two-factor) IRT modeling.

Results

The multidimensional model suggesting a first factor capturing psychiatric/impairment-related issues and

SUBMITTER: Chatton A 

PROVIDER: S-EPMC10594779 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature