First (biological) child birth year
Year of birth of first child
See CH1BM_DV ANYCHILD_DV
Datafile
Index term
Derived variable note:
Year of birth of first child
See CH1BM_DV ANYCHILD_DV
Derived variable note:
Uses files W_CH1BY4 on data file W_INDRESP
W_LCHDOBY4 on datafile W_NATCHILD
W_MNPID WFNPID W_BIRTHY on W_INDALL
W_LCHBY4 on datafile W_NEWBORN
BW_CH1BY on datafile BW_INDRESP/
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 89711 | 53.65% |
| has child, date missing | 0 | 8064 | 4.82% |
| [Value >= 0] | 1 | 77497 | 46.35% |
| Total | 167208 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1781.96 | 89711 | 0 | 2023.0 | 607.53 | 77497 |
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