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Erschienen in:
26.02.2016
Complementary and alternative medicine use among US cancer survivors
Erschienen in: Journal of Cancer Survivorship | Ausgabe 5/2016
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Purpose
US cancer survivors commonly use vitamins/minerals and complementary and alternative medicine (CAM). We compare use of vitamins/minerals and CAM between adult cancer survivors and cancer-free adults and estimate annual out-of-pocket expenses.
Methods
Data on self-reported vitamin/mineral and CAM use in the past 12 months from the cross-sectional 2012 US National Health Interview Survey were used to estimate prevalence of use and out-of-pocket expenditures. The cohort included adults with (n = 2977) and without (n = 30,551) a self-reported cancer diagnosis.
Results
Approximately 79 % of cancer survivors and 68 % of cancer-free adults reported using ≥1 vitamins/minerals and/or CAM modality in the past year. Compared to cancer-free adults, cancer survivors were more likely to report use of vitamin/minerals (75 vs. 61 %, P < 0.001), non-vitamin/mineral natural products (24 vs. 19 %, P < 0.001), manipulative and body-based therapies (19 vs. 17 %, P = 0.03), and alternative medical systems (5 vs. 4 %, P = 0.04). Adult cancer survivors and cancer-free adults spent an annual estimated $6.7 billion and $52 billion out-of-pocket, respectively, on vitamins/minerals and CAM. Survivors spent 60 % of the total on vitamins/minerals ($4 billion), 18 % ($1.2 billion) on non-vitamin/mineral natural products, and 7 % ($0.5 billion) on massage.
Conclusions
Compared with cancer-free adults, a higher proportion of cancer survivors report vitamin/mineral and CAM use. Cancer survivors, who accounted for 6.9 % of the total population, accrued more than 11.4 % of the annual out-of-pocket costs on vitamins/minerals and CAM spent by US adults.
Implications for Cancer Survivors
Given the high use of vitamins/minerals and CAM in cancer survivors, studies are needed to analyze health outcomes and the cost/benefit ratio of such use.