Main Survey

d_doby_dv DOB: Year, derived

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Datafile: d_indresp

Derived Variable Note

Date of birth, year. Special licence only. Derived from date of birth held in the sample administration data base and the derived date of interview. Recoded to missing for sample members whose interview outcome is inconsistent with the suggested age +/- one year.


Uses D_DOBY_DV on data file D_INDALL


MeanNumber MissingMinMaxStd DevN

Index Terms

Wave Occurrences