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Table 2 Inter-rater reliability: analyses of covariance for repeated measures (ANCOVA); country-specific

From: Parent–child-agreement on health-related quality of life and its determinants in patients born with Esophageal Atresia: a Swedish–German cross-sectional study

  

Parent-report

Child-report

ICC [95% CI] g

Friedman-Test

Dyads

n

M (SD)

α

M (SD)

α

χ2

df

p

GERMANY PedsQL

 Physical

23

80.84 (20.63)

.86

84.65 (18.89)

.87

.87 [.69, .95]**

.286

1

.59

 Emotional

21a

79.76 (23.05)

.90

86.43 (17.90)

.84

.82 [.55, .93]**

2.571

1

.11

 Social

23

80.87 (21.57)

.82

83.62 (16.84)

.78

.73 [.37, .89]**

2.579

1

.11

 School

22b

69.77 (19.67)

.78

75.68 (19.60)

.84

.83 [.60, .93]**

4.765

1

.03

 Psychosocial

21a

77.94 (17.46)

.90

82.46 (14.28)

.88

.79 [.47, .91]**

2.000

1

.16

 Total

21a

79.32 (16.93)

.93

83.46 (14.08)

.92

.79 [.49, .92]**

1.316

1

.25

SWEDEN

PedsQL

 Physical

32c

82.32 (23.04)

.91

84.67 (21.64)

.92

.95 [.90, .98]**

1.190

1

.28

 Emotional

31d

81.67 (22.34)

.90

84.03 (20.47)

.87

.90 [.80, .95]**

.727

1

.39

 Social

31d

88.06 (17.64)

.85

88.55 (18.45)

.88

.90 [.79, .95]**

.692

1

.41

 School

32c

77.93 (20.66)

.85

80.31 (19.30)

.83

.95 [.90, .98]**

1.636

1

.20

 Psychosocial

31d

82.92 (17.56)

.92

84.62 (16.79)

.93

.95 [.90, .98]**

.667

1

.41

 Total

31d

82.93 (18.55)

.95

84.91 (17.14)

.96

.97 [.93, .98]**

1.960

1

.16

GERMANY

EA-QOL

 Eating

21a

75.85 (20.36)

.81

72.64 (19.63)

.72

.89 [.72, .95]**

.222

1

.64

 Body

20e

84.50 (20.38)

.87

85.00 (21.64)

.86

.61 [− .01, .85]*

.333

1

.56

 Social

21a

79.65 (19.80)

.84

76.70 (21.21)

.79

.89 [.74, .96]**

.692

1

.41

 Health

20e

84.38 (16.78)

.64

80.94 (23.51)

.86

.78 [.46, .91]**

.077

1

.78

 Total

20e

80.65 (16.69)

.92

78.25 (17.73)

.88

.90 [.76, .96]**

.250

1

.62

SWEDEN

EA-QOL

 Eating

36f

73.61 (21.36)

.84

71.44 (19.75)

.76

.93 [.97, .97]**

3.846

1

.05

 Body

38a

80.00 (19.59)

.82

80.39 (20.94)

.81

.95 [.91, .98]**

.182

1

.67

 Social

38a

78.38 (16.71)

.74

74.53 (17.30)

.74

.86 [.73, .93]**

1.960

1

.16

 Health

38a

81.41 (17.28)

.70

80.26 (19.25)

.76

.92 [.85, .96]**

.800

1

.37

 Total

36f

78.18 (15.32)

.91

76.09 (15.55)

.89

.93 [.86, .97]**

2.613

1

.11

  1. M = Mean, SD = Standard deviation, α = Cronbach’s alpha, ICC = Intraclass correlation coefficients, CI = Confidence interval, χ2 = Chi-Square, df = degrees of freedom, p = p-value (significance)
  2. a 2 missing dyads
  3. b 1 missing dyad
  4. c 8 missing dyads
  5. d 9 missing dyads
  6. e 3 missing dyads
  7. f 4 missing dyads
  8. g Intraclass correlation coefficients reference values: ICC < .40 = poor agreement, ICC between .41 and .60 = moderate agreement, ICC between .61 and .80 = good agreement, ICC > .81 = excellent agreement [25]. *≤.05; **≤.01
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Orphanet Journal of Rare Diseases

ISSN: 1750-1172