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. 2014:2014:872320.
doi: 10.1155/2014/872320. Epub 2014 Dec 10.

Trend and pattern of herb and supplement use in the United States: results from the 2002, 2007, and 2012 national health interview surveys

Chung-Hsuen Wu  1 , Chi-Chuan Wang  2 , Meng-Ting Tsai  3 , Wan-Ting Huang  4 , Jae Kennedy  5
Affiliations

Trend and pattern of herb and supplement use in the United States: results from the 2002, 2007, and 2012 national health interview surveys

Chung-Hsuen Wu et al. Evid Based Complement Alternat Med. 2014.

Abstract

Background. In 1990s, complementary and alternative medicine (CAM), including use of herbs and supplements, gained popularity in the United States. However, more recent surveys suggest that demand for herbs and supplements has stabilized. Objective. This study examined the prevalence, patterns, and changes in herb and supplement use among the US adults, using the 2002, 2007, and 2012 National Health Interview Surveys (NHIS). Methods. Weighted population estimates were derived from three complementary and alternative medicine supplements to the NHIS. Prevalence rates for herb and supplement use were compared, using Wald chi-square tests to measure changes between years. Results. An estimated 40.6 million US adults reported herb and supplement use in 2012. However, the rate of herb and supplement use dropped from 18.9% in 2002 to 17.9% in 2007 and 2012 (P < 0.05). This decline in use was more pronounced among women, racial or ethnic minorities, and adults with low incomes. Conclusion. Herb and supplements use remains common in the USA, but adult use rates are on the decline. It is still important for health care providers to ask patients about herb and supplement use.

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