twins record no. 1: PNO of twin 2
Datafile
Question asked in the latest wave:
fertilityhistory_ip17.zygosity2fh
Question label:
PNO of twin 2
Question universe:
if [(ff_ivlolw = 2|3|MIS) & ff_everint 1] // New entrant never interviewed, excluding rising 16 year olds
And if [LPRNTADP2 = 1 | GRIDVARIABLES.NNATCH > 0] // Has had biological child(ren) or R has biological children in household
And if [LNPRNT2 > 0] // Has biological children
And if [(TwinConffh = 1) & at least one twin resident in the household] // Twin(s) in household
And If [second twin is in the household] // If second twin is in the household
Further details:
For further details about this question, please see the questionnaires
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 2462 | 98.72% |
| proxy | -7 | 30 | 1.2% |
| Total | 2494 | 100.0% |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 2799 | 98.31% |
| proxy | -7 | 22 | 0.77% |
| Total | 2847 | 100.0% |



