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Epidemiology Surveys
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Variable Label: Age last time had attention problem for 6+ months


AD4a

How old were you the last time you had a period of six months or longer when you had a lot of difficulty with concentration or attention?

  • Valid N: 275
  • Refused: 33
  • Don't Know: 1
  • Missing (Other): 0
  • Missing (System): 19704
MeanStd DevMedianMinMax
16.3908.6015.0000.00045.000
  • Valid Range: 0 - 45
  • Total Cases: 20013

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