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Took 2nd vitamin supplement for: Improved sports performance

Codes and Frequencies

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For sample adults who had taken two or more vitamin supplements in the past 30 days (VITMOSUPNO) and had taken the second supplement for different reasons than they had taken the first (VIT2SAME1), VIT2SPORT indicates whether respondents had used a second vitamin supplement to improve sports performance.

Related Variables 

Other reasons for using a second vitamin supplement that were recorded by the survey, and the associated IPUMS NHIS variables, are:

  • VIT2DRUGCOST (Prescription or non-prescription drugs too expensive)
  • VIT2HCREC (Health care provider recommended)
  • VIT2MENT (Improved mental ability or memory)
  • VIT2PHYS (Improved physical performance)
  • VIT2SEX (Improved sexual performance)
  • VIT2TREAT (Treat a disease or health problem)
  • VIT2PREV (Prevent a disease or health problem)
  • VIT2SAME1 (Whether taken for same reasons as 1st vitamin supplement taken)

Parallel information was recorded on sample adults' reasons for taking their first vitamin supplement. (See, for example, VIT1SPORT.)

For information about the full range of variables related to vitamins, see VITANY and VITMO.


VIT2SPORT is only available for 2007.


  • 2007: Sample adults age 18+ who have taken two or more vitamin supplements during the past 30 days.


  • 2007