PID is a within-dwelling unit person identifier assigned in sampling or by CAPI. PID must be combined with DUID, and PANEL to uniquely identify persons within a single year of data. IPUMS MEPS offers the constructed variable MEPSID that is equal to the concatenated values of PANEL, DUID, and PID.
PID is a 3-digit numeric variable.
ComparabilityThe comparability of this variable over time has not yet been assessed.
- No weights are available for this variable. Please refer to Description for more information.