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Variable

UK Data Service variable record for:

National Child Development Study: Childhood Data, Sweeps 0-3, 1958-1974

Variable Details

Variablen2648
Label3P Age at 1st menstruation (girls)
Responses
1 Before 11th year 206
2 Aged 11 years 843
3 Aged 12 years 1280
4 Aged 13 years 1531
5 Aged 14 years 1186
6 Aged 15 or more 492
7 Not yet started 69
8 Started-no date 47
9 DK if started 6
-1 NA,boy 8994
Sysmiss 3904
DisclaimerPlease note that these frequencies are not weighted.
LocationNational Child Development Study: Childhood Data, Sweeps 0-3, 1958-1974
UniverseAll children in Great Britain born in one particular week in 1958.;National
SamplingNo sampling (total universe);See documentation for further details.
Study TypeLongitudinal/panel/cohort
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