Mainstage Variables search
Find the variables you need for your research by searching by variable name, by data file or by index term. Explore How to use the Variable Search. Our Main Survey User Guide and list of key variables for the analysis of individual response data may also help you.
| Variable | Label | Datafile | Waves |
|---|---|---|---|
| hhorig | Sample origin, household |
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| hidp | Household identifier (public release) |
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| memorig | sample origin: original bhps or echp |
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| pidp | cross-wave person identifier (public release) |
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| pno | person number |
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| psu | primary sampling unit |
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| sampst | sample membership status |
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| strata | stratra |
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| twinconffh | Twins in hh |
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| twinno | Twin number |
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| twinzygfh | Zygotic twins in hh |
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| zygosity1fh | PNO of twin 1 |
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| zygosity2fh | PNO of twin 2 |
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