ownchild: Number of own children in primary family

Description

ownchild is the number of own children in the primary family.

Availability

Sample Years
Basic 1984 - 1993, 1999m11 - present
ORG 1984 - 1993, 1999m11 - present

Warning

This variable may have a different coding or sample universe between the periods 1984-1993 and 1999m11-present. Top-codes vary across years.

Variable creation
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* Number of own children
*******************************************************************************
gen byte ownchild = .

if $monthlycps == 1 {
    if tm(1984m1) <= $date & $date <= tm(1993m12) {
        replace ownchild = pfnocd - 1 if (famrel == 1 | famrel == 2) & pfnocd >= 1
    }
    if tm(1999m11) <= $date {
        replace ownchild = prnmchld if (prfamrel == 1 | prfamrel == 2) & prnmchld >= 0
    }
}

lab var ownchild "Number of own children in primary family"
notes ownchild: Universe: family reference person or spouse
notes ownchild: 1984m1-1984m4: topcode=4
notes ownchild: 1984m5-1993: topcode=8
notes ownchild: 1984-1993 Unicon: pfnocd
notes ownchild: 1999m11-present CPS: prnmchld