Evidence-Based Complementary and Alternative Medicine / 2014 / Article / Tab 1

Research Article

Trend and Pattern of Herb and Supplement Use in the United States: Results from the 2002, 2007, and 2012 National Health Interview Surveys

Table 1

Prevalence of herb and supplement use among the US adult population in 2002, 2007, and 2012.

Sample size and population estimates200220072012Percentage change Percentage change
Sample Est. %aSample Est. %aSample Est. %a (2002 and 2012) (2007 and 2012)

Total30,427201,674,075100.0%22,657216,781,365100.0%34,525234,920,670100.0%
Ever taken any herbal preparations and dietary supplements7,65550,613,05125.1%5,60055,090,24525.4%7,86453,571,88823.6%−1.5%**−1.8%**
Took herbal preparations and dietary supplements in past 12 months5,78738,182,84318.9%3,98238,797,21517.9%5,97440,579,30917.9%−1.0%*0.0%
Took herbal preparations and dietary supplements in past 30 daysbnanana2,93228,059,18112.9%4,49130,113,78813.3%na0.3%

Data source: National Center for Health Statistics, 2002, 2007, and 2012 NHIS Adult Complementary and Alternative Medicine File [2022].
Note: proportions based on weighted prevalence estimates, values for Wald chi-square tests.
aColumn percentage.
bThe question of the current herb use was only asked in 2007 and 2012 NHIS.
na: not available.
*.
**.