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 Videos

Potential misclassification in studies of physical activity.

B Arroll1, R Beaglehole

  • 1Department of General Practice, University of Auckland, New Zealand.

Medicine and Science in Sports and Exercise
|October 1, 1991
PubMed
Summary

Physical activity reduces coronary heart disease risk, but optimal intensity levels remain unclear. Accurate intensity measurement is crucial for effective public health guidance, especially for women and older adults.

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

Comfort with having sexual orientation recorded on official databases among a community and online sample of gay and bisexual men in Aotearoa New Zealand.

Journal of primary health care·2024
Same author

FACT effectiveness in primary care; a single visit RCT for depressive symptoms.

International journal of psychiatry in medicine·2021
Same author

Trends in cardiovascular management of people with diabetes by primary healthcare nurses in Auckland, New Zealand.

Diabetic medicine : a journal of the British Diabetic Association·2019
Same author

Sugar sweetened beverages, obesity, diabetes and oral health: a preventable crisis.

Pacific health dialog·2015
Same author

[Only old literature in the waiting room].

MMW Fortschritte der Medizin·2015
Same author

Varicose veins in the South Pacific.

International journal of epidemiology·2013

Area of Science:

  • Exercise physiology
  • Cardiovascular health
  • Public health

Background:

  • Regular physical activity is linked to reduced coronary heart disease (CHD) risk.
  • Debate persists regarding the specific exercise intensity levels required for cardioprotection.
  • Current epidemiological methods use arbitrary intensity categories (light, moderate, hard) which may misclassify risk.

Purpose of the Study:

  • To address the ongoing debate on exercise intensity for cardioprotection.
  • To highlight the risks of misclassification in current intensity categorizations.
  • To determine the precise exercise intensity levels needed for public health recommendations.

Main Methods:

  • Review of existing epidemiological studies on physical activity and CHD.

Related Experiment Videos

  • Analysis of the limitations of using absolute intensity values irrespective of age and gender.
  • Examination of the importance of recent versus remote physical activity for cardiac benefits.

    • Main Results:

    • Arbitrary intensity categories risk misclassification, particularly in women and the elderly.
    • Absolute intensity values are inappropriate without considering age and gender.
    • Recent physical activity is more critical for cardiac benefit than remote activity.

    Conclusions:

    • Resolving the optimal exercise intensity for health benefits is essential.
    • Accurate determination of exercise intensity is necessary for rational and safe public health advice.
    • Further research is needed to define specific intensity thresholds for cardioprotection.