This file is a two-year longitudinal file derived from the respondents to the MEPS Panel 4 sample. The persons on this data set represent those who were in the MEPS population (civilian noninstitutionalized) for all or part of the 1999-2000 period. The file contains a longitudinal weight variable (LONGWT), all variables from the 1999 and 2000 consolidated full-year files (HC-038 and HC-050, respectively), and the strata and PSU values from the full year consolidated files and the pooled variance data file (HC-036). The weight variable (LONGWT), when applied to the persons who participated in both 1999 and 2000, will enable the user to make national estimates of person-level changes in selected variables (e.g., health insurance, health status, utilization and expenditures). In addition, LONGWT can be used to develop cross-sectional type estimates for the two-year period and for each year individually based on only the Panel 4 sample. Update Notes
The Panel 4 Longitudinal Weight File has been transformed into the Panel 4 Longitudinal Data File. Analytic variables have been added from the 1999 and 2000 consolidated full-year (HC-038 and HC-050) files. The longitudinal weight LONGWTP4 was renamed to be LONGWT.
Update #1: 10/29/04
The HC-058 data file has been updated to make stratum (VARSTRP4) and PSU (VARPSUP4) variables consistent with other longitudinal weight files. This enables the user to combine files for analytic purposes.
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