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. 2023 Mar 31;33:102194. doi: 10.1016/j.pmedr.2023.102194

Table 2.

Demographic distribution of participants from Mturk vs Prime panels surveys.

Variable name Overall N (%) Mturk N (%) Prime panels N (%) Chi square (p-value)
Age (yrs.) (N = 604) 18–20 12 (2.0) 4 (1.3) 8 (2.6) 6.95 (0.07)
21–30 204 (33.8) 106 (35.1) 98 (32.5)
31–40 298 (49.3) 157 (52.0) 141 (46.7)
41–45 90 (14.9) 35 (11.6) 55 (18.2)
Sex (N = 604) Male 306 (50.7) 186 (61.6) 120 (39.7) 30.69 (<0.01)
Female 295 (48.8) 116 (38.4) 179 (59.3)
Non-Binary and Transgender 3 (5) 0 (0.0) 3 (1)
Race & ethnicity (N = 604) Non-Hispanic white 402 (66.6) 206 (68.4) 196 (64.9) 10.07 (0.02)
Non-Hispanic black 73 (12.1) 25 (8.3) 48 (15.9)
Hispanic 72 (11.9) 36 (12.0) 36 (11.9)
Others 56 (9.3) 34 (11.3) 22 (7.3)
Annual income (US dollars) (N = 604) <$20,000 112 (18.5) 30 (9.9) 82 (27.2) 64.63 (<0.01)
$20,000 to $34,999 72 (11.9) 41 (13.6) 31 (10.3)
$35,000 to $49,999 78 (12.9) 48 (15.9) 30 (9.9)
$50,000 to $74,999 130 (21.5) 84 (27.8) 46 (15.2)
$75,000 to $99,999 74 (12.3) 51 (16.9) 23 (7.6)
≥ $100,000 130 (21.5) 46 (15.2) 84 (27.8)
Prefer not to answer 5 (0.8) 1 (0.3) 4 (1.3)
I'm not sure 3 (0.5) 1 (0.3) 2 (0.7)
Education (N = 604) High school or less 126 (20.9) 45 (14.9) 81 (26.8) 20.90 (<0.01)
Post-High school 24 (4.0) 7 (2.3) 17 (5.6)
Some college 126 (20.9) 63 (20.9) 63 (20.9)
College graduate and post-graduate 328 (54.3) 187 (61.9) 141 (46.7)
Marital status Married 267 (44.2) 113 (37.4) 154 (51.0) 11.28 (<0.01)
Not Married 337 (55.8) 189 (62.6) 148 (49.0)