MEPS Panel 12 Weight. The person-level weight for MEPS Panel 12 was developed using the MEPS Round 1 person- level weight as a “base” weight. For key, in-scope respondents who joined an RU after Round 1, the Round 1 family weight served as a “base” weight. The weighting process included an adjustment for nonresponse over Round 2 and the 2007 portion of Round 3 as well as raking to the same population control figures for December 2007 used for the MEPS Panel 11 weights. The same five variables employed for Panel 11 raking (census region, MSA status, race/ethnicity, sex, and age) were used for Panel 12 raking. Similarly, for Panel 12, key, responding persons not in-scope on December 31, 2007 but in-scope earlier in the year retained, as their final Panel 12 weight, the weight after the nonresponse adjustment. Note that the MEPS Round 1 weights incorporated the following components: the original household probability of selection for the NHIS; ratio-adjustment to NHIS-based national population estimates at the household (occupied dwelling unit) level; adjustment for nonresponse at the dwelling unit level for Round 1; and poststratification to figures at the family and person level obtained from the March CPS data base of the corresponding year (i.e., 2006 for Panel 11 and 2007 for Panel 12).
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Samples: meps.ahrq.gov, www.meps.ahrq.gov:443, meps.ahrq.gov
