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. Author manuscript; available in PMC: 2019 Jul 1.
Published in final edited form as: Exp Gerontol. 2017 Oct 26;107:148–160. doi: 10.1016/j.exger.2017.10.020

Table 1.2.

The sample sizes in three datasets (by race) before and after quality control (QC) procedure.

By race
Dataset Before QC
After QC
#White #Black #Others #White #Black #Others
CHS 4434 807 29 4209 781 28
HRS 7968 1299 374 7960 1297 374
LOADFS 3894 251 271 145* 3894 251 271 145*
*

LOADFS has 145 individuals with missing race values.