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How often herbal supplements are purchased: Time period

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For sample adults in 2007 who had taken herbal supplements during the past 30 days (HERMO), HERPTP reports how often the respondent bought herbal supplements.

Interviewers asked, "About how often do you buy herbal supplements?" Interviewers were instructed, "If necessary prompt with: how many times per day, per week, per month or per year do you buy herbal supplements? Enter '0' if respondent does not buy herbal supplements."

HERPTP reports a time period (e.g., per day, per week, per month, etc.). This variable must be interpreted in conjunction with HERPNO, which reports the number of times respondents had purchased herbal supplements corresponding to the time period reported in HERPTP.

Related Variables 

See HERPAMT for the dollar amount spent on herbal supplements by the respondent during the last purchase of these materials.

For some other alternative health practices, information was also collected on the purchase of related materials, specifically:

  • How often vitamin supplements are purchased (VITPNO, VITPTP)
  • How often homeopathic supplements are purchased (HOMNO, HOMTP)
  • Bought relaxation technique self-help book or materials (RELBOOK)

For more information on the full range of variables related to herbal supplements from 2007, see HERMO. For information on herb variables from other years, see HERYR.


HERPTP is only available for 2007.


  • 2007: Sample adults age 18+ who have taken herbal supplements during the past 30 days.
  • 2012: Sample adults age 18+ and sample children ages 4-17 who have taken herbs or non-vitamin supplements supplements during the past 30 days.


  • 2007, 2012