Long-Term Patterns of Physical Activity and Their Predictors
Author Information
Author(s): Barnett Tracie A, Gauvin Lise, Craig Cora L, Katzmarzyk Peter T
Primary Institution: Centre de recherche du Centre Hospitalier Universitaire Sainte-Justine
Hypothesis
What are the long-term patterns of leisure time physical activity and the socioeconomic and demographic predictors of these patterns?
Conclusion
Socially disadvantaged groups are more likely to experience unfavorable trajectories of leisure time physical activity.
Supporting Evidence
- Four distinct classes of leisure time physical activity trajectories were identified: inactive, increasers, active, and decreasers.
- Women, older participants, and those with lower income and education were less likely to follow active trajectories.
- The study highlights the need for targeted health promotion efforts for socially disadvantaged groups.
Takeaway
This study looked at how people's exercise habits change over time and found that those with less money and education tend to be less active.
Methodology
Latent class growth analysis was used to identify major classes of leisure time physical activity trajectories and predictors of class membership were identified using polytomous logistic regression.
Potential Biases
Self-reported physical activity may lead to over-reporting and misclassification of activity levels.
Limitations
There is a selection bias related to survival and health behaviors, and estimates of energy expenditure are based on self-reported data, which may lead to misclassification.
Participant Demographics
Participants were aged 18-60 years in 1981, with a diverse representation of socioeconomic backgrounds.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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