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Epidemiology Surveys
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Variable Label: Age of 1st period


PR2

This part of the interview is about women's health issues. How old were you when you had your first menstrual period?

'NEVER HAD A MENSTRUAL PERIOD', CODE '997'

A discrepancy exists between the question text in the surveys. You may wish to compare question text to determine how it affects the variable results.

View Universe

  • Valid N: 3266
  • Refused: 49
  • Don't Know: 5
  • Missing (Other): 5
  • Missing (System): 5957
MeanStd DevMedianMinMax
12.5801.6612.0006.00020.000
  • Valid Range: 6 - 20
  • Total Cases: 9282

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