Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Apr 18, 2026

A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers
07:24

A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers

Published on: April 21, 2017

13.2K

Measuring substantial reductions in activity.

Charles Schafer1, Meredyth Evans, Leonard A Jason

  • 1a Center for Community Research, DePaul University , Chicago , Illinois , USA.

Journal of Prevention & Intervention in the Community
|January 14, 2015
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

COMPASS-mediated epigenetic regulation of transcription accelerates forgetting with age.

Research square·2026
Same author

Comparing ME/CFS following mononucleosis with Long COVID.

Chronic illness·2026
Same author

Optimization of a fracture-related infection (FRI) rat model to mimic bacterial contaminated open fractures in orthopaedic patients - a model development study.

Injury·2026
Same author

Outcomes of ME/CFS following infectious mononucleosis: seven-year follow-up of a prospective study.

Frontiers in medicine·2026
Same author

Developing a platform protocol for clinical trials evaluating interventions that target proposed mechanisms of Long COVID: RECOVER-VITAL.

Clinical trials (London, England)·2026
Same author

Identifying post-exertional malaise subtypes: Differentiating physical and mental PEM manifestations.

Journal of health psychology·2026

Diagnosing Myalgic Encephalomyelitis/chronic fatigue syndrome (ME/CFS) requires assessing disability. Current work activity levels effectively help operationalize substantial reductions in daily functioning for ME/CFS diagnosis.

Area of Science:

  • Medical research
  • Clinical diagnostics
  • Patient-reported outcomes

Background:

  • Case definitions for Myalgic Encephalomyelitis/chronic fatigue syndrome (ME/CFS) include a disability criterion.
  • Operationalizing the 'substantial reduction in activity' criterion for ME/CFS diagnosis presents challenges.
  • Objective and subjective measures are needed to define disability in ME/CFS.

Purpose of the Study:

  • To investigate the relationship between various activity measures and disability in ME/CFS.
  • To determine if current work activities can help operationalize the disability criterion for ME/CFS.

Main Methods:

  • Correlational study relating SF-36 health survey, actigraphy (objective activity), quality of life scales, and symptom severity.
  • Analysis focused on associations between current work activities and other health/activity measures.
Keywords:
Myalgic EncephalomyelitisMyalgic Encephalomyelitis/chronic fatigue syndromeactivitychronic fatigue syndromesubstantial reductions

More Related Videos

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
05:59

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

Published on: March 7, 2019

7.4K
Assessing Activity-based Anorexia in Mice
08:26

Assessing Activity-based Anorexia in Mice

Published on: May 14, 2018

13.3K

Related Experiment Videos

Last Updated: Apr 18, 2026

A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers
07:24

A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers

Published on: April 21, 2017

13.2K
Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
05:59

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

Published on: March 7, 2019

7.4K
Assessing Activity-based Anorexia in Mice
08:26

Assessing Activity-based Anorexia in Mice

Published on: May 14, 2018

13.3K
  • Utilized established psychometric and objective measurement tools for comprehensive assessment.

    • Main Results:

    • Current work activities showed the most significant associations with SF-36 subscales, actigraphy, and symptom scores.
    • Higher self-reported current work activity correlated with better reported health outcomes.
    • Objective activity measures and symptom severity were also significantly linked to work activity levels.

    Conclusions:

    • Current work activity is a relevant and significant domain for assessing disability in ME/CFS.
    • Measuring current work activities may provide a practical method for operationalizing the substantial reduction criterion in ME/CFS diagnosis.
    • Further research can refine the use of work activity as a key indicator for ME/CFS diagnostic criteria.