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. 2023 May 2;15:88. doi: 10.1186/s13195-023-01235-4

Table 2.

Demographics and recruitment source by site

Site 1
n = 611
Site 2
n = 17
Site 3
n = 178
Site 4
n = 118
Site 5
n = 36
Site 6
n = 66
Site 7
n = 3
Total
n = 1029
Race; n (%)
 American Indian or Alaskan Native 3 (0.5) 0 (0.0) 1 (0.6) 3 (2.5) 1 (2.8) 0 (0.0) 1 (33.3) 9 (0.9)
 Asian 4 (0.7) 1 (5.9) 14 (17.9) 0 (0.0) 2 (5.6) 1 (1.5) 0 (0.0) 22 (2.1)
 Black or African American 36 (5.9) 0 (0.0) 4 (2.2) 2 (1.7) 1 (2.8) 1 (1.5) 0 (0.0) 44 (4.3)
 Caucasian or White 465 (76.1) 16 (94.1) 155 (87.1) 106 (89.8) 30 (83.3) 49 (74.2) 2 (66.7) 823 (80.0)
 Hawaiian or other Pacific Islander 1 (0.2) 0 (0.0) 1 (0.6) 0 (0.0) 1 (2.8) 0 (0.0) 0 (0.0) 3 (0.3)
 Other 9 (1.5) 0 (0.0) 2 (1.1) 0 (0.0) 1 (2.8) 1 (1.5) 0 (0.0) 13 (1.3)
 Unknown/not reported 99 (16.2) 0 (0.0) 1 (0.6) 8 (6.8) 0 (0.0) 14 (21.2) 0 (0.0) 122 (11.9)
Ethnicity; n (%)
 Not Hispanic/Latino/a/Spanish 461 (75.5) 17 (100.0) 156 (87.6) 109 (92.4) 34 (94.4) 49 (74.2) 3 (100.0) 829 (80.6)
 Mex/Mex-American/Chicano/a 2 (0.3) 0 (0.0) 11 (6.2) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 13 (1.3)
 Puerto Rican 3 (0.5) 0 (0.0) 1 (0.6) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 4 (0.4)
 Cuban 1 (0.2) 0 (0.0) 1 (0.6) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.2)
 Other Hispanic/Latino/a/Spanish 20 (3.3) 0 (0.0) 0 (0.0) 0 (0.0) 2 (5.6) 2 (3.0) 0 (0.0) 24 (2.3)
 Unknown/not reported 124 (20.3) 0 (0.0) 9 (5.1) 9 (7.6) 0 (0.0) 15 (22.7) 0 (0.0) 157 (15.3)
Gender; n (%)
 Female 390 (63.8) 9 (52.9) 118 (66.3) 97 (82.2) 26 (72.2) 46 (69.7) 0 (0.0) 686 (66.7)
 Male 184 (30.1) 8 (47.1) 60 (33.7) 21 (17.8) 10 (27.8) 20 (30.3) 2 (66.7) 305 (29.6)
 Other 1 (0.2) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 (33.3) 37 (3.6)
 Unknown/prefer not to answer 36 (5.9) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.1)
Age (years)
 Mean (SD) 63.1 (7.2) 68.8 (7.2) 67.4 (8.1) 67.1 (6.7) 65.7 (6.9) 67.4 (6.8) 67.3 (8.3) 65.5 (7.6)
 Missing (%) 354 (57.9) 0 (0.0) 0 (0.0) 22 (18.6) 0 (0.0) 22 (33.3) 0 (0.0) 398 (38.7)
Hollingshead
 Upper 62 (18.7) 1 (20.0) 32 (20.5) 14 (20.6) 10 (28.6) 8 (61.5) 2 (66.7) 129 (21.1)
 Upper-middle 133 (40.1) 2 (40.0) 55 (35.3) 41 (60.3) 18 (51.4) 2 (15.4) 1 (33.3) 252 (41.2)
 Middle 87 (26.2) 2 40.0) 37 (23.7) 8 (11.8) 5 (14.3) 2 (15.4) 0 (0.0) 141 (23.0)
 Lower-middle 42 (12.7) 0 (0.0) 32 (20.5) 5 (7.4) 2 (5.7) 0 (0) 0 (0.0) 81 (13.2)
 Lower 8 (2.4) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 (7.7) 0 (0.0) 9 (1.5)
 Missing 279 12 22 50 1 53 0 417
Recruitment source; n (%)a
 National campaign 5 (0.8) 2 (11.8) 8 (4.5) 3 (2.5) 0 (0.0) 0 (0.0) 0 (0.0) 18 (1.7)
 Social media 2 (0.3) 1 (5.9) 20 (11.2) 2 (1.7) 1 (2.8) 4 (6.1) 0 (0.0) 30 (2.9)
 Referral 27 (4.4) 3 (17.6) 9 (5.1) 27 (22.9) 8 (22.2) 12 (18.2) 2 (66.7) 88 (8.6)
 Registry 15 (2.5) 1 (5.9) 42 (23.6) 3 (2.5) 1 (2.8) 15 (22.7) 0 (0.0) 77 (7.5)
 Local campaign 252 (41.2) 0 (0.0) 33 (18.5) 8 (6.8) 0 (0.0) 4 (6.1) 0 (0.0) 297 (28.9)
 Website 308 (50.4) 7 (41.2) 64 (36.0) 81 (68.6) 27 (75.0) 35 (53.0) 2 (66.7) 524 (50.9)
 Missing 7 (1.2) 4 (23.5) 15 (8.4) 2 (1.7) 1 (2.8) 1 (1.52) 0 (0.0) 30 (2.9)

aParticipants can provide more than one race and recruitment source, so total percentage may be > 100%