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Related Experiment Videos

The Work Limitations Questionnaire.

D Lerner1, B C Amick, W H Rogers

  • 1The Health Institute, Division of Clinical Care Research, New England Medical Center, Boston, Massachusetts 02111, USA. dlerner@lifespan.org

Medical Care
|February 15, 2001
PubMed
Summary
This summary is machine-generated.

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A new 25-item questionnaire effectively measures on-the-job work limitations caused by chronic health conditions. This reliable and valid tool uses a 2-week reporting period for accurate assessment of impact.

Area of Science:

  • Occupational health
  • Psychometrics
  • Health services research

Background:

  • Chronic health conditions significantly impact an individual's ability to perform job duties.
  • Quantifying the on-the-job impact of these limitations is crucial for effective workplace accommodations and support.
  • Existing measures may not adequately capture the nuances of work limitations.

Purpose of the Study:

  • To develop and psychometrically validate a questionnaire to measure on-the-job work limitations.
  • To assess the reliability and validity of the developed Work Limitations Questionnaire (WLQ).

Main Methods:

  • Pilot studies involving focus groups and cognitive interviews generated candidate items.
  • Two field trials (n=48 and n=121 employed adults) tested psychometric performance.

Related Experiment Videos

  • Study 1 compared questionnaire responses to concurrent diaries; Study 2 assessed reliability and construct validity against health status and productivity measures.

    • Main Results:

    • Questionnaire responses in Study 1 showed high correlation with concurrent diary data, particularly for the most recent week.
    • Patients with chronic conditions reported significantly higher work limitations than healthy controls.
    • In Study 2, four scales of the 25-item questionnaire achieved Cronbach's alpha ≥ 0.90 and demonstrated hypothesized correlations with health status and work productivity.

    Conclusions:

    • The 25-item Work Limitations Questionnaire, with 4 dimensions and a 2-week reporting period, is a reliable and valid instrument.
    • The WLQ effectively measures the on-the-job impact of chronic health problems and treatment.
    • This tool can aid in understanding and addressing workplace challenges faced by individuals with chronic conditions.