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. 2020 Oct 28;141:106299. doi: 10.1016/j.ypmed.2020.106299
Included sample (n = 1904)
Excluded sample (n = 5790)

n (%) n (%) p-value
Race/ethnicity
White 634 (58) 3873 (67) <0.001
Black 89 (8) 446 (8)
Hispanic 261 (24) 866 (15)
Other race/ethnicity 108 (10) 586 (10)
Age
18–39 383 (35) 1737 (30) <0.001
40–49 243 (22) 990 (17)
50–59 213 (19) 1137 (20)
60+ 255 (23) 1926 (33)
Education
High school or less 266 (24) 1262 (22) 0.165
Some college 401 (37) 2152 (37)
Bachelor or higher 427 (39) 2376 (41)
Household income
<$30,000 271 (25) 1393 (24) 0.667
$30,000–$59,999 288 (26) 1472 (25)
$60,000–$99,999 266 (24) 1409 (24)
>$100,000 265 (24) 1503 (26)
Gender
Male 423 (39) 2429 (42) 0.043
Female 671 (61) 3361 (58)