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Epidemiology Surveys
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Variable Label: Estimate age 1st PMS



PR20b1

About how old were you the first time?

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  • Valid N: 15
  • Refused: 5
  • Don't Know: 0
  • Missing (Other): 0
  • Missing (System): 4629
MeanStd DevMedianMinMax
21.5305.7320.0012.00030.000
  • Valid Range: 12 - 30
  • Total Cases: 4649

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