Leisure-time physical activity and lung cancer

A meta-analysis

Adonina Tardon, Won Jin Lee, Miguel Delgado-Rodriguez, Mustafa Dosemeci, Demetrius Albanes, Robert Hoover, Aaron Blair

Research output: Contribution to journalArticle

129 Citations (Scopus)

Abstract

Objective: Several studies have evaluated the relationship between physical activity and lung cancer. To summarize and review these studies, we conducted a meta-analysis of all relevant reports published from 1966 through October 2003. Method: Adjusted odds ratios (ORs) from the original studies were pooled by the inverse of their variance, and all pooled estimates were accompanied by an assessment of heterogeneity across investigations. Test for linear trend across activity categories (low, moderate, high) were applied. Results: The combined ORs were 0.87 (95 confidence interval=0.79-0.95) for moderate leisure-time physical activity (LPA) and 0.70 (0.62-0.79) for high activity (ptrend = 0.00). This inverse association occurred for both sexes, although it was somewhat stronger for women. No evidence of publication bias was found. Several studies were able to adjust for smoking, but none adjusted for possible confounding from previous malignant respiratory disease. Our simulations suggest that this condition is unlikely to entirely explain the inverse association. Conclusion: The findings of this meta-analysis indicate that higher levels of LPA protect against lung cancer. The inverse association is possible remains confounded by inadequately controlled smoking patterns. However on the whole, confounding seems an unlikely explanation for the findings of individual studies on non-smokers.

Original languageEnglish
Pages (from-to)389-397
Number of pages9
JournalCancer Causes and Control
Volume16
Issue number4
DOIs
Publication statusPublished - 2005 May 1

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Leisure Activities
Meta-Analysis
Lung Neoplasms
Exercise
Smoking
Odds Ratio
Publication Bias
Confidence Intervals

Keywords

  • Leisure physical activity
  • Lung cancer risk
  • Meta-analysis

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Tardon, A., Lee, W. J., Delgado-Rodriguez, M., Dosemeci, M., Albanes, D., Hoover, R., & Blair, A. (2005). Leisure-time physical activity and lung cancer: A meta-analysis. Cancer Causes and Control, 16(4), 389-397. https://doi.org/10.1007/s10552-004-5026-9

Leisure-time physical activity and lung cancer : A meta-analysis. / Tardon, Adonina; Lee, Won Jin; Delgado-Rodriguez, Miguel; Dosemeci, Mustafa; Albanes, Demetrius; Hoover, Robert; Blair, Aaron.

In: Cancer Causes and Control, Vol. 16, No. 4, 01.05.2005, p. 389-397.

Research output: Contribution to journalArticle

Tardon, A, Lee, WJ, Delgado-Rodriguez, M, Dosemeci, M, Albanes, D, Hoover, R & Blair, A 2005, 'Leisure-time physical activity and lung cancer: A meta-analysis', Cancer Causes and Control, vol. 16, no. 4, pp. 389-397. https://doi.org/10.1007/s10552-004-5026-9
Tardon A, Lee WJ, Delgado-Rodriguez M, Dosemeci M, Albanes D, Hoover R et al. Leisure-time physical activity and lung cancer: A meta-analysis. Cancer Causes and Control. 2005 May 1;16(4):389-397. https://doi.org/10.1007/s10552-004-5026-9
Tardon, Adonina ; Lee, Won Jin ; Delgado-Rodriguez, Miguel ; Dosemeci, Mustafa ; Albanes, Demetrius ; Hoover, Robert ; Blair, Aaron. / Leisure-time physical activity and lung cancer : A meta-analysis. In: Cancer Causes and Control. 2005 ; Vol. 16, No. 4. pp. 389-397.
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