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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?

IF VOL: 'NEVER HAD A MENSTRUAL PERIOD', CODE 997

IF R REPORTS AGE OF LESS THAN 10 YEARS OLD, RECORD ACTUAL AGE IN A REMARK

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: 3075
  • Refused: 61
  • Don't Know: 10
  • Missing (Other): 6
  • Missing (System): 2930
MeanStd DevMedianMinMax
12.9210.4713.0005.000555.000
  • Valid Range: 5 - 555
  • Total Cases: 6082

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