Validation of the 5-item workplace outcome suite on employee assistance programs for office workers

Behdin Nowrouzi-Kia, Sarah Sirek, Grace Granofsky, Mitchel Morrison, Ivan Steenstra

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

To evaluate the effectiveness of Employee Assistance Program (EAP) interventions, the Workplace Outcome Suite (WOS) was developed. This study aims to determine if the new WOS 5-item version can be used to approximate the WOS 25-item version without excessive loss of reliability, validity, or sensitivity. A quantitative psychometric evaluation study design was employed. Secondary data analysis of the WOS 25-item questionnaire was conducted before and after EAP services were delivered to participants. This analysis used 2046 data responses from 1023 participants. Quantitative data analysis included descriptive statistics, Cohen’s d, paired t-test, the Wilcoxon signed-rank (non-parametric test), and bivariate factor analysis. Findings demonstrate that the WOS 5-item version can successfully detect changes in workplace functioning. Within all five constructs, users’ scores improved after EAP interventions, indicating improvement in mental health. Significant changes were detected for absenteeism, presenteeism, work engagement, and workplace distress. Bivariate correlation results indicate the WOS 5-item is a good representation of the 25-item version. There are strong correlations between each item on the WOS-5 and the corresponding items in each construct on the WOS-25. This evidence suggests the WOS 5-item version can be used to approximate the WOS 25-item version without excessive loss of reliability, validity, or sensitivity.
Original languageEnglish
Pages (from-to)1-16
Number of pages16
JournalJournal of Workplace Behavioral Health
DOIs
Publication statusPublished - 13 Mar 2024

Keywords

  • return to work
  • workplace
  • work engagement

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