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    The impact of breast cancer on physical activity from midlife to early older adulthood and predictors of change post-diagnosis

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    Authors
    Pettee Gabriel, Kelley
    Sternfeld, Barbara
    Colvin, Alicia B.
    Lucas, Alexander R.
    Karvonen-Gutierrez, Carrie A.
    Gold, Ellen B.
    Crawford, Sybil L.
    Greendale, Gail A.
    Avis, Nancy E.
    UMass Chan Affiliations
    Graduate School of Nursing
    Document Type
    Journal Article
    Publication Date
    2020-08-01
    Keywords
    Breast cancer
    Cohort studies
    Exercise
    Survivorship
    Neoplasms
    Psychiatry and Psychology
    Skin and Connective Tissue Diseases
    Women's Health
    
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    Link to Full Text
    https://doi.org/10.1007/s11764-020-00879-7
    Abstract
    PURPOSE: To examine physical activity (PA) patterns from pre- to post-diagnosis, and compare these changes to women without breast cancer. To determine pre-diagnosis predictors of PA change, post-diagnosis, in breast cancer survivors (BCS). METHODS: Data were from 2314 Study of Women's Health Across the Nation (SWAN) participants, average age of 46.4 +/- 2.7 years at baseline (1996-1997). In Pink SWAN, 151 women who reported an incident breast cancer diagnosis over 20 years were classified as BCS; the remaining 2163 women were controls. LOESS plots and linear mixed models were used to illustrate and compare PA changes (sports/exercise [primary measure] and total PA) from pre- to post-diagnosis (or corresponding period) in BCS versus controls. Adjusted linear regression models were used to determine pre-diagnosis predictors of at-risk post-diagnosis PA change patterns (consistently low and decreased PA). RESULTS: No differences in pre- to post-diagnosis PA (or corresponding period) were observed in BCS versus controls. Among BCS, the odds of at-risk post-diagnosis PA change patterns was 2.50 (95% CI 0.96-6.48) times higher for those who reported sleep problems at > /= 50% (compared to 0%) of pre-diagnosis visits and 3.49 (95% CI 1.26-9.65) times higher for those who were overweight or obese at all (compared to no) pre-diagnosis visits. No other statistically significant predictors were noted. CONCLUSIONS: Age-related declines in PA were not amplified by a breast cancer diagnosis. Given the beneficial role of PA across the cancer control continuum, efforts to increase or maintain adequate PA, post-diagnosis, should be continued. IMPLICATIONS FOR CANCER SURVIVORS: While age-related physical activity declines were not amplified breast cancer diagnosis, efforts to identify breast cancer survivors at increased risk for post-diagnosis physical activity declines (or maintenance of low activity) may be a high-yield strategy to improve prognosis and quality of life.
    Source

    Pettee Gabriel K, Sternfeld B, Colvin AB, Lucas AR, Karvonen-Gutierrez CA, Gold EB, Crawford S, Greendale GA, Avis NE. The impact of breast cancer on physical activity from midlife to early older adulthood and predictors of change post-diagnosis. J Cancer Surviv. 2020 Aug;14(4):545-555. doi: 10.1007/s11764-020-00879-7. Epub 2020 Mar 30. PMID: 32232722; PMCID: PMC7365759. Link to article on publisher's site

    DOI
    10.1007/s11764-020-00879-7
    Permanent Link to this Item
    http://hdl.handle.net/20.500.14038/34465
    PubMed ID
    32232722
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    Link to Article in PubMed

    ae974a485f413a2113503eed53cd6c53
    10.1007/s11764-020-00879-7
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    Tan Chingfen Graduate School of Nursing Scholarly Publications

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