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Epidemiology Surveys
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Variable Label: Estimate age 1st drug problem occurred - computed


About how old were you (the first time you had [this problem/(either/ any) of these problems] because of using [(DRUG/(either/ any) of these substances)]?

IF 'ALL MY LIFE' OR 'AS LONG AS I CAN REMEMBER,' PROBE: Was it before your teens?

IF NO/DK, PROBE: Was it before your twenties?


BEFORE 20s 19

  • Valid N: 45
  • Refused: 7
  • Don't Know: 1
  • Missing (Other): 0
  • Missing (System): 19960
MeanStd DevMedianMinMax
  • Valid Range: 12 - 65
  • Total Cases: 20013

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