Zygotic twins in hh
Datafile
Index terms
- Family and households Family life Fertility history
- Health and well-being Reproductive health Childbirth Multiple births
Individual variables
| Variable name | Variable label | Datafile |
|---|---|---|
| twinzyg1 | Multiple birth sibling no. 1: zygotic twins in household | child |
| twinzyg2 | multiple birth sibling no. 2: zygotic twins in hholds | child |
Question asked in the latest wave:
annualeventhistory_w5.twinzyg
Question label:
Monozygotic twins in hh
Question text:
Are [CHILD1] and [CHILD2] identical twins?
Question universe:
if ff_ivlolw = 1 | ff_everint = 1 (Interviewed at prior wave or has been interviewed previously)
and if (GRIDVARIABLES.Newmum = 1) & (nnewborn > 1) & (all LChLv = 1) & (two or more newborn children with the same DOB or birthdays one day apart) (Biological mother of more than one newborn child in hh and two or more newborns share the same birthday or have birthdays one day apart)
and if TwinConf = 1 & ((sex of child 1) = (sex of child 2)) (Twins in household and the twins are of the same sex)
Further details:
For further details about this question, please see the questionnaires
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