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. 2022 May 5;269(9):5022–5037. doi: 10.1007/s00415-022-11149-0

Table 1.

Demographic features of assenting participants (n = 962) and non-participants (n = 1531).

Assenting participants (n = 962) Non-participants (n = 1531)
Mean age (mean years ± SD) 44.7 ± 24.6 46.8 ± 4.4
White/caucasian (n, %) 757, 79% 1190, 78%
Black/African American (n, %) 130, 14% 204, 13%
Asian (n, %) 9, 1% 11, 1%
Other race (n, %) 64, 7% 127, 8%
Race not specified (n, %) 2, 0.2% 3, 0.2%
Male (n, %) 403, 42% 628, 41%
Female (n, %) 559, 58% 903, 59%
In-person visit* (n, %) 699, 74% 1107, 72%
Video visit* (n, %) 120, 13% 194, 13%
Telephone visit* (n, %) 120, 13% 230, 15%
Months between visit and interview (Mean ± SD) 2.5 ± 0.6

*The visit type of assenting participants was confirmed during the quantitative survey. The visit type of non-participants is the scheduled visit type