Table 1 Participant characteristics of the multinational survey cohort (n = 496).

From: A multinational survey of potential participant perspectives on ocular gene therapy

 

Participant type

Adult with IRD

Parent/guardian/carer

Total

n = 439 (88.5%)

n = 57 (11.5%)

n = 496 (100.0%)

Age (years)

55.6 (14.4)

45.3 (11.0)

54.5 (14.5)

Gender

  Male

219 (49.9%)

18 (31.6%)

237 (47.8%)

  Female

216 (49.2%)

39 (68.4%)

255 (51.4%)

  Non-binary

2 (0.5%)

0 (0.0%)

2 (0.4%)

  I prefer not to say

2 (0.5%)

0 (0.0%)

2 (0.4%)

Age of first symptoms (years)

24 [12, 40]

5 [1, 12]

20 [10, 38]

Primary language

  English

393 (89.5%)

37 (64.9%)

430 (86.7%)

  Other than English

46 (10.5%)

20 (35.1%)

66 (13.3%)

Country of residence

  USA

316 (72.0%)

32 (56.1%)

348 (70.2%)

  UK

50 (11.4%)

5 (8.8%)

55 (11.1%)

  Other

73 (16.6%)

20 (35.1%)

93 (18.8%)

Ethnicity

  White

379 (86.3%)

50 (87.7%)

429 (86.5%)

  Hispanic or Latino

19 (4.3%)

4 (7.0%)

23 (4.6%)

  Asian

22 (5.0%)

2 (3.5%)

24 (4.8%)

  Black or African American

10 (2.3%)

1 (1.8%)

11 (2.2%)

  American Indian or Alaskan Native

4 (0.9%)

0 (0.0%)

4 (0.8%)

  I don’t know/Prefer not to say

5 (1.1%)

0 (0.0%)

5 (1.0%)

IRD diagnosis

  Retinitis Pigmentosa

272 (62.0%)

20 (35.1%)

292 (58.9%)

  Choroideremia

14 (3.2%)

2 (3.5%)

16 (3.2%)

  Cone-rod Dystrophy

21 (4.8%)

4 (7.0%)

25 (5.0%)

  Stargardt Disease

57 (13.0%)

10 (17.5%)

67 (13.5%)

  Leber Congenital Amaurosis

8 (1.8%)

15 (26.3%)

23 (4.6%)

  Macular Dystrophy

28 (6.4%)

2 (3.5%)

30 (6.0%)

  Other central condition

7 (1.6%)

3 (5.3%)

10 (2.0%)

  Other widespread condition

32 (7.3%)

1 (1.8%)

33 (6.7%)

Highest level of education completed

  Primary school (up to 12 years of age)

15 (3.4%)

3 (5.3%)

18 (3.6%)

  Secondary school (until at least 15 years of age)

51 (11.6%)

9 (15.8%)

60 (12.1%)

  Trade certificate

68 (15.5%)

3 (5.3%)

71 (14.3%)

  Bachelor degree at a University

145 (33.0%)

23 (40.4%)

168 (33.9%)

  Post-graduate degree at a University

144 (32.8%)

15 (26.3%)

159 (32.1%)

  I prefer not to say

16 (3.6%)

4 (7.0%)

20 (4.0%)

Previously supplied DNA to an IRD database

310 (70.6%)

39 (68.4%)

349 (70.4%)

Previously participated in medical research

120 (27.3%)

13 (22.8%)

133 (26.8%)

  1. Data are presented as Mean (Standard deviation) for age, Median [IQR] for age of first symptoms, and frequency (%) for all other variables. IRD=inherited retinal disease.