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Table 2 Demographics and recruitment source by site

From: Centralizing prescreening data collection to inform data-driven approaches to clinical trial recruitment

 

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)

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