Efficacy of aerobic exercise and a prudent diet for improving selected lipids and lipoproteins in adults: a meta-analysis of randomized controlled trials
2011

Effects of Exercise and Diet on Lipids in Adults

Sample size: 559 publication 10 minutes Evidence: high

Author Information

Author(s): Kelley George A, Kelley Kristi S, Roberts Susan, Haskell William

Primary Institution: West Virginia University

Hypothesis

Does aerobic exercise combined with a prudent diet improve lipid and lipoprotein concentrations in adults?

Conclusion

Aerobic exercise combined with a prudent diet is highly effective for improving total cholesterol, LDL cholesterol, and triglycerides in adults, but not HDL cholesterol.

Supporting Evidence

  • Significant reductions were found for total cholesterol, LDL cholesterol, and triglycerides.
  • HDL cholesterol did not show significant improvement.
  • Participants were predominantly overweight or obese.

Takeaway

Doing exercise and eating healthy can help lower bad fats in your blood, which is good for your heart.

Methodology

Meta-analysis of randomized controlled trials that included aerobic exercise and dietary recommendations.

Potential Biases

All studies were considered to have a low risk of bias regarding sequence generation and blinding.

Limitations

The study only included trials published until 2009 and did not assess non-HDL cholesterol due to missing variance statistics.

Participant Demographics

Participants included both men and women aged 18 and older, with some studies focusing on specific demographics like hypertensive or obese individuals.

Statistical Information

Confidence Interval

95% CI, -20.3 to -10.7 for TC

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1741-7015-9-74

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