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Table 2 Respondent and proxy respondent demographics

From: The IMPACT survey: a mixed methods study to understand the experience of children, adolescents and adults with osteogenesis imperfecta and their caregivers

 

Direct respondents

Proxy respondents

 

Non-caregiver adults with OI

n = 1,290

Caregiver adults with OI

n = 150

Adolescents with OI

n = 92

Caregivers without OI

n = 560

Relatives

n = 116

Children with OI (n = 474)

Adolescents with OI (n = 171)

Adults with OI (n = 135)

Age, mean (range)a

43.4 (18–85)

42.0 (24–75)

14.8 (12–17)

41.9 (18–81)

43.3 (12–87)

5.8 (1–11)

14.0 (12–17)

25.6 (18–60)

Women, n (%)b

900 (70)

108 (72)

51 (55)

465 (83)

80 (69)

214 (45)

84 (49)

67 (50)

Geography, n (%)c

Europe

807 (63)

104 (69)

41 (45)

319 (57)

102 (88)

258 (54)

111 (65)

92 (68)

North America

327 (25)

20 (13)

22 (24)

103 (18)

9 (8)

85 (18)

26 (15)

30 (22)

South America

55 (4)

6 (4)

8 (9)

33 (6)

2 (2)

32 (7)

3 (2)

5 (4)

Asia

62 (5)

16 (11)

20 (22)

87 (16)

1 (1)

84 (18)

21 (12)

7 (5)

Africa

6 (0.5)

1 (0.7)

0 (0)

5 (1)

1 (1)

3 (1)

2 (1)

1 (1)

Australia/Oceania

33 (3)

3 (2)

1 (1)

13 (2)

1 (1)

12 (3)

8 (5)

0 (0)

  1. Osteogenesis imperfecta, OI
  2. aQuestions 29, 40 and 48 “What is your age?” and “What is your child/children’s age?”; b;Questions 8, 303, 30, 41 and 49 “What is your sex?/What is the sex of your child/children? cQuestions 7, 302 and 370 “What is your country of residence?” It was assumed that proxy respondents reside in the same countries as their caregivers