NUMPREC is a 3-digit numeric variable.
NUMPREC is an IPUMS NHIS-constructed variable that reports the number of person records that are included in the sampled unit (normally the number of persons in the household). These person records all have the same serial number (SERIAL). The information contained in the household record (such as REGION, Region of residence) normally applies to all these persons.
- 1963-2017: All households.
- No weights are available for this variable. Please refer to Description for more information.