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    Lifetime physical activity and the risk of non-Hodgkin lymphoma

    Access Status
    Open access via publisher
    Authors
    Boyle, Terry
    Gallagher, R.
    Gascoyne, R.
    Connors, J.
    Le, N.
    Spinelli, J.
    Date
    2015
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Boyle, T. and Gallagher, R. and Gascoyne, R. and Connors, J. and Le, N. and Spinelli, J. 2015. Lifetime physical activity and the risk of non-Hodgkin lymphoma. Cancer Epidemiology Biomarkers and Prevention. 24 (5): pp. 873-877.
    Source Title
    Cancer Epidemiology Biomarkers and Prevention
    DOI
    10.1158/1055-9965.EPI-14-1303
    School
    Epidemiology and Biostatistics
    URI
    http://hdl.handle.net/20.500.11937/11463
    Collection
    • Curtin Research Publications
    Abstract

    Research regarding the association between physical activity and the risk of non-Hodgkin lymphoma (NHL) is limited and inconsistent, and few studies have investigated whether the intensity and timing of physical activity influence the association. A case-control study of NHL was conducted in British Columbia, Canada, in 2000 to 2004. Data were collected on various NHL risk factors, including moderate-intensity and vigorous-intensity physical activity performed over the lifetime. Logistic regression was used to estimate the association between physical activity and the risk of NHL. This analysis included 818 controls and 749 cases. Lifetime vigorous-intensity physical activity was inversely associated with NHL risk. Participants in the second, third, and fourth quartiles of lifetime vigorous-intensity physical activity had an approximately 25% to 30% lower risk of NHL than those in the lowest quartile [adjusted odds ratios, 0.69 (95% confidence interval [CI], 0.52-0.93); 0.68 (95% CI, 0.50-0.92); and 0.75 (95% CI, 0.55-1.01), respectively]. No consistent associations were observed for total or moderate-intensity physical activity. There were no apparent age periods in which physical activity appeared to confer a greater risk reduction. In this study, we found that lifetime vigorous-intensity physical activity was associated with a significantly reduced risk of NHL. Given this finding, more research on physical activity intensity and timing in relation to NHL risk is warranted.

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