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Status:Closed    Asked:Jun 29, 2017 - 05:07 PM

How can an individual be within the same FAMUNIT, have same HHINC and different POVERTY

Hello everyone, thanks for the continued help.


I did an extract that had household variables as well as person variables (ex: SINK and POVERTY).


My question is, how can individuals be in the same family unit, with the same total household income, same GQ, same everything except PERNUM (identified within household) yet have DIFFERENT poverty value?


See my picture below: This is one family and all are above poverty by 249% spare one individual (PERNUM 5) who is 1?


 
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Staff Answer

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Jeff Bloem

Staff

The first detail to note is that the POVERTY variable depends on family income, rather than household income. So, instead of HHINCOME, you should be looking at FTOTINC. The issue you observe, however, is largely independent of this detail. Therefore, the second note is that IPUMS has introduced some new family interrelationship variables that allow for a more inclusive definition of primary family units than used by the US Census. So, since the values for POVERTY, for the first family unit, are provided by the US Census, this variable uses the US Census defined family unit. By contrast the, FAMUNIT variable uses the IPUMS defined family unit. In the case you observe, the fourth member of the household is related to the household head by being an "unmarried partner". The US Census classifies this person as being part of a second family unit, while IPUMS classifies this person as being part of the first family unit.

I hope this explanation is helpful. This is a bit complicated and needs to be described better online. These updates should happen soon.

 

Jun 30, 2017 - 10:38 AM

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