The usage of complementary health methods among people in the United States is estimated nationally across three time points in this report.
For this research, combined information from 88,962 persons aged 18 and older was gathered as part of the National Health Interview Survey in 2002, 2007, and 2012. To create national estimates that accurately reflect the civilian, non-institutionalized adult population in the United States, sample data were weighted. Two-sided significance tests were used to assess percentage differences at the 0.05 level.
Although particular approaches were employed in different ways at each of the three time points, dietary supplements that are not vitamins or minerals continued to be the most widely used supplementary health strategy.
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