Joint associations of multiple leisure-time sedentary behaviours and physical activity with obesity in Australian adults
2008

Sedentary Behaviors and Obesity in Australian Adults

Sample size: 2210 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sugiyama Takemi, Healy Genevieve N, Dunstan David W, Salmon Jo, Owen Neville

Primary Institution: The University of Queensland

Hypothesis

How do multiple leisure-time sedentary behaviours and physical activity contribute to the risk of obesity?

Conclusion

Reducing leisure-time sedentary behaviours may be as important as increasing leisure-time physical activity to combat obesity in adults.

Supporting Evidence

  • Those who spent more time in sedentary behaviours and were not sufficiently active had increased odds of being overweight or obese.
  • High levels of overall sedentary behaviour time may contribute to obesity as much as lack of physical activity.
  • Participants reported an average of 4 hours of leisure-time sedentary behaviours per day.

Takeaway

If you sit a lot but also exercise, you might still be at risk of being overweight, just like if you don't exercise and sit a lot.

Methodology

A mail survey collected self-reported height, weight, sedentary behaviours, physical activity, and sociodemographic variables from adults in Adelaide, Australia.

Potential Biases

Self-reported data on weight, height, sedentary behaviours, and physical activity may lead to inaccuracies.

Limitations

The study's cross-sectional design limits causal inferences, and self-reported measures may introduce bias.

Participant Demographics

Participants were adults aged 20-65 years, with a sample consisting of 36.1% men and 63.9% women.

Statistical Information

P-Value

p<0.001

Confidence Interval

1.20–2.92

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1479-5868-5-35

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