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hhid: Household identifer (unique within month)

Description

hhid is a household identifer, unique within year and month.

Availability

Sample Years
Basic 1984 - present
ORG 1984 - present

Code

Variable creation 
********************************************************************************
* Household ID
********************************************************************************
capture rename hhid oldhhid
gen hhid = .

if $monthlycps == 1 | $maycps == 1 {
    if tm(1984m1) <= $date & $date <= tm(1993m12) {
        gegen temp_hhid = group(year month hrhhid)
        replace hhid = temp_hhid
        drop temp_hhid
    }
    if tm(1994m1) <= $date & $date <= tm(1997m12) {
        gegen temp_hhid = group(year month gestfips hrhhid huhhnum hrsample hrsersuf)
        replace hhid = temp_hhid
        drop temp_hhid
    }
    if tm(1998m1) <= $date {
        destring qstnum, replace
        replace hhid = qstnum
    }
}

lab var hhid "Household identifer (unique within month)"
notes hhid: Household ID unique within year and month
notes hhid: 1984-1993: derived from year month hrhhid
notes hhid: 1994-1997: derived from year month statefips hrhhid huhhnum hrsample hrsersuf
notes hhid: 1998-present: CPS qstnum