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

A comparative study of four methods for analysing repeated measures data

O Manor1, J D Kark

  • 1Department of Medical Ecology, Hadassah Medical Organization, Jerusalem, Israel.

Statistics in Medicine
|June 15, 1996
PubMed
Summary

This study compares four statistical methods for analyzing repeated measures data in red blood cell fatty acids after myocardial infarction (MI). Results varied across methods, highlighting the importance of choosing appropriate statistical approaches for complex biological data.

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

Environmental mismatch and obesity in humans: The Jerusalem Perinatal Family Follow-Up Study.

International journal of obesity (2005)·2021
Same author

Correlates of infection with <i>Helicobacter pylori</i> positive and negative cytotoxin-associated gene A phenotypes among Arab and Jewish residents of Jerusalem.

Epidemiology and infection·2019
Same author

Body mass index and infectious disease mortality in midlife in a cohort of 2.3 million adolescents.

International journal of obesity (2005)·2017
Same author

Paternal age and risk of testicular germ cell tumors: a cohort study of 1,000,000 men.

Andrology·2017
Same author

Habitual sleep duration and sleep duration variation are independently associated with body mass index.

International journal of obesity (2005)·2017
Same author

Live birth sex ratios and father's geographic origins in Jerusalem, 1964-1976.

American journal of human biology : the official journal of the Human Biology Council·2016

Area of Science:

  • Biostatistics
  • Cardiovascular Research
  • Nutritional Science

Background:

  • Repeated measures data analysis is crucial for understanding biological changes over time.
  • Fatty acid composition in red blood cell membranes provides insights into cardiovascular health.
  • Acute myocardial infarction (MI) presents complex data characteristics, including unbalanced measures and high correlations.

Purpose of the Study:

  • To compare the performance of four distinct statistical methods for analyzing repeated measures data.
  • To evaluate methods applied to fatty acid composition data following acute MI.
  • To assess the suitability of curve fitting and random effects models for this specific data type.

Main Methods:

  • Comparison of two individual curve fitting methods.

Related Experiment Videos

  • Comparison of two random effects models.
  • Analysis of red blood cell membrane fatty acid data from patients post-MI.
  • Assessment of data characteristics: moderate sample size, unbalanced measures, high within-individual correlations.

    • Main Results:

    • Significant differences were observed in the results obtained from the four statistical methods.
    • The choice of statistical method impacts the interpretation of fatty acid composition changes.
    • Method assumptions were tested to ensure valid application.

    Conclusions:

    • No single statistical method is universally superior for all repeated measures data.
    • Careful consideration of data structure and method assumptions is essential for accurate analysis.
    • The findings guide the selection of appropriate statistical techniques in cardiovascular and nutritional research.