Complementary and alternative medicine use among cancer survivors: a population-based study

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Abstract
Introduction The use of complementary and alternative medicine (CAM) among cancer survivors is high, yet less is known about reasons behind such use or the communication of CAM with conventional medical providers. Methods Cross-sectional, multivariate logistic regression models were developed to evaluate the similarities and differences between cancer survivors and non-cancer controls in the 2007 National Health Interview Survey with 23,393 participants, including 1,471 cancer survivors. Results Among cancer survivors, 66.5% reported ever using CAM and 43.3% having used CAM in the past year. When compared with the general population, cancer survivors used CAM more often for general disease prevention, immune enhancement, and for pain (Adjusted Odds Ratio [AOR] 1.27, 95% Confidence Interval [CI] 1.10–1.48; AOR 1.32, 95% CI 1.05–1.62; AOR 1.42, 95% CI 1.05–1.92, respectively). Cancer survivors were more likely to use CAM because of recommendations from their provider (AOR 1.54, 95% CI 1.26–1.88) and were more likely to disclose their CAM use to their provider (AOR 1.45, 95% CI 1.22–1.72). Discussions/Conclusions When compared to the general population, cancer survivors were more likely to use CAM and communicate this use with providers, indicating a growing integration of CAM in conventional medical care. Implications for Cancer Survivors Cancer survivors are more likely than the general population to communicate CAM use with providers, suggesting greater integration of CAM use in conventional care. However, the majority of CAM use is still not being communicated to providers, indicating an important area for improvement in patient-centered care.

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