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. 2020 Sep 12;44(2):zsaa182. doi: 10.1093/sleep/zsaa182

Table 3.

Adjusted estimated means and standard error of cognitive measures overall and by race/ethnicity at follow-up visit 15 in the SWAN (N = 1,126)

Race/ethnicity
Overall White (A) Black (B) Chinese (C) Japanese (D) Tukey’s HSD*
Mean (SD) Mean (SD) Mean (SE) Mean (SD) Mean (SD)
RAVLT-I 7.7 (0.08) 8.0 (0.12) 6.7 (0.18) 7.2 (0.17) 8.7 (0.18) A, D > B, C; D > A
RAVLT-D 5.6 (0.09) 5.8 (0.13) 4.3 (0.20) 5.2 (0.19) 6.9 (0.20) A, C, D > B; A, D > C; D > A
SDMT 54.7 (0.32) 56.5 (0.43) 49.4 (0.58) 57.5 (0.82) 61.0 (0.87) D > A, B, C; A, C > B
DSB 6.7 (0.06) 7.2 (0.09)2,5 5.7 (0.12)1,3,4 7.0 (0.17)2,5 6.7 (0.18)2,5 A, C, D > B

Estimated means adjusted for age and education. SE, standard error; RAVLT-I, Rey Auditory Verbal Learning Test, immediate recall; RAVLT-D, Rey Auditory Verbal Learning Test, delayed recall; SDMT, Symbol Digit Modalities Test; DSB, Digit Span Backwards; HSD, honestly significant difference.

*All measures differed by race/ethnicity (ANCOVA p < 0.05). Differences between race/ethnic groups were determined by Tukey’s HSD tests p < 0.05. Race/ethnic groups are denoted by the letter in parentheses next to each group.

 N = 687.