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MEPSIDF
MEPS unique identifier (IPUMS generated), F record

Description

For all medication-round fills, MEPSIDF is a variable that uniquely identifies respondents across MEPS panels. It is created by combining PANELF, DUIDF, and PIDF. IPUMS MEPS staff created MEPSIDF for the 1996-2017 samples to provide a single, universal linking key for MEPS persons. Beginning in 2018, AHRQ modified the identifiers DUIDF and DUPERSIDF (which combines DUIDF with PIDF) on the original MEPS data files to append information about PANELF to the first two columns. This update makes DUPERSIDF identical to MEPSIDF in the IPUMS MEPS extract system for 2018-forward.

Codes

This is a 10-character string variable.

Comparability

This variable is completely comparable over time.

Universe

  • 1996-2021: All medication-round fill records.

Availability

  • 1996-2021

Weights

  • No weights are available for this variable. Please refer to MEPSIDF for more information.

Flags

This variable has no flags.