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Neighborhood influences on recreational physical activity and survival after breast cancer
Filetype[PDF - 264.57 KB]


Details:
  • Pubmed ID:
    25088804
  • Pubmed Central ID:
    PMC4194215
  • Funding:
    HHSN261201000034C/PHS HHS/United States
    HHSN261201000035C/PHS HHS/United States
    HHSN261201000140C/PHS HHS/United States
    R01 CA63446/CA/NCI NIH HHS/United States
    R01 CA77305/CA/NCI NIH HHS/United States
    R01CA140058/CA/NCI NIH HHS/United States
    R21 CA133255/CA/NCI NIH HHS/United States
    R21CA133255/CA/NCI NIH HHS/United States
    U58DP003862-01/DP/NCCDPHP CDC HHS/United States
    UM1 CA164920/CA/NCI NIH HHS/United States
    UM1 CA164920/CA/NCI NIH HHS/United States
  • Document Type:
  • Collection(s):
  • Description:
    Purpose

    Higher levels of physical activity have been associated with improved survival after breast cancer diagnosis. However, no previous studies have considered the influence of the social and built environment on physical activity and survival among breast cancer patients.

    Methods

    Our study included 4,345 women diagnosed with breast cancer (1995–2008) from two population-based studies conducted in the San Francisco Bay Area. We examined questionnaire-based moderate/strenuous recreational physical activity during the 3 years before diagnosis. Neighborhood characteristics were based on data from the 2000 US Census, business listings, parks, farmers’ markets, and Department of Transportation. Survival was evaluated using multivariable Cox proportional hazards models, with follow-up through 2009.

    Results

    Women residing in neighborhoods with no fast-food restaurants (vs. fewer fast-food restaurants) to other restaurants, high traffic density, and a high percentage of foreign-born residents were less likely to meet physical activity recommendations set by the American Cancer Society. Women who were not recreationally physically active had a 22 % higher risk of death from any cause than women that were the most active. Poorer overall survival was associated with lower neighborhood socioeconomic status (SES) (p trend = 0.02), whereas better breast cancer-specific survival was associated with a lack of parks, especially among women in high-SES neighborhoods.

    Conclusion

    Certain aspects of the neighborhood have independent associations with recreational physical activity among breast cancer patients and their survival. Considering neighborhood factors may aide in the design of more effective, tailored physical activity programs for breast cancer survivors.