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. Author manuscript; available in PMC: 2021 Feb 25.
Published in final edited form as: J Int Neuropsychol Soc. 2015 Sep 28;21(9):677–687. doi: 10.1017/S1355617715000806

Table 3:

Range of predicted state-level average outcomes by race, census region and study sample

Outcome
No. states Education Cognitive Memory Vocabulary Speed Visual-spatial
Sample
WHICAP – African Americansb
 Northeast 5 10.8 −12.7 -- 0.4 – 1.0 0.4 – 0.6 0.4 – 0.8 0.4 – 0.6
 Midwest 8 11.1 −13.1 -- 0.3 – 1.0 0.3 – 0.6 0.5 – 0.6 0.3 – 0.4
 South 17 10.1 −13.0 -- −0.1 – 1.1 0.0 – 0.5 0.1 – 0.6 0.1 – 0.4
 West 2 11.8 −12.5 -- 0.6 – 1.0 0.3 – 0.5 0.4 – 0.4 0.3 – 0.4
WHICAP – Whitesb
 Northeast 8 13.7 −14.3 -- 0.3 – 0.5 0.7 – 1.0 0.9d 0.6 – 0.8
 Midwest 6 13.4 −14.8 -- 0.2 – 0.5 0.7 – 1.0 0.9d 0.6 – 0.8
 South 15 12.8 −14.1 -- 0.0 – 0.4 0.2 – 1.0 0.9d 0.2 – 0.9
 West 5 13.7 −14.3 -- 0.3 – 0.4 0.8 – 1.0 0.9d 0.6 – 0.7
HRS – African Americansc
 Northeast 9 11.5 – 12.7 9.4 – 10.4 9.0 – 9.8 4.4 – 5.8 -- --
 Midwest 12 11.5 – 13.2 9.4 – 10.4 9.0 – 9.5 4.7 – 5.4 -- --
 South 17 9.2 – 12.6 8.4 – 10.3 8.2 – 9.4 3.3 – 5.3 -- --
 West 13 10.8 – 12.8 9.3 – 10.4 8.9 – 9.2 4.4 – 5.4 -- --
HRS – Whites
 Northeast 9 12.1 – 13.1 11.3 – 11.8 10.6 – 11.4 5.9 – 6.2 -- --
 Midwest 12 12.2 – 13.2 11.4 – 11.7 10.5 – 11.3 5.8 – 6.3 -- --
 South 17 11.4 – 13.3 10.6 – 11.6 10.3 – 11.4 5.0 – 6.3 -- --
 West 13 12.3 – 13.3 11.1 – 11.6 10.8 – 11.4 6.9 – 6.7 -- --
a

The number of states represented in the speed in the WHICAP sample was smaller than for the other outcomes (7 in the NE, 6 in the Midwest, 9 in the South and 4 in the West for the white subsample; and 5 in the NE, 6 in the Midwest, 16 in the South and 1 in the West for the African American subsample).

b

The state of childhood residence accounted for no variation for the speed outcome among whites in WHICAP.

c

The number of states represented in the general cognitive status outcome in the HRS African Americans sample was smaller than for the other outcomes (5 in the NE, 9 in the Midwest, 17 in the South and 8 in the West).