Table 2 Descriptive analyses (mean, SD, range, median and % maximum scores) of CFQ domain scores in healthy children (n = 478)

Healthy young children (aged 6-11) (n = 60)

   Age

8.93

1.58

   Physical functioning

89.07

14.27

22-100

94

19 (31.7)

   Emotional functioning

83.27

12.09

54-100

88

5 (8.3)

   Eating disturbances

90.83

11.31

56-100

95

30 (50)

   Social functioning

89.65

12.91

48-100

95

23 (16.7)

   Body image

95.78

8.37

67-100

100

44 (73.3)

   Respiratory symptoms

88.70

11.55

50-100

92

15 (25)

   Digestive symptoms

80.13

20.49

33-100

67

28 (46.7)

Healthy elder children (aged 12-13) (n = 120)

   Age

12.30

0.93

   Physical functioning

88.41

13.25

17-100

92

47 (39.2)

   Emotional functioning

79.89

14.52

17-100

83

8 (6.7)

   Eating disturbances

85.57

16.74

33-100

89

47 (39.2)

   Social functioning

84.95

12.97

38-100

86

27 (22.5)

   Body image

93.20

11.93

44-100

100

79 (65.8)

   Respiratory symptoms

90.68

10.23

33-100

92

35 (29.2)

   Digestive symptoms

82.37

18.70

33-100

84

60 (50)

Healthy adolescents (aged 14-20) (n = 298)

   Age

16.53

1.67

   Physical functioning

90.04

11.66

38-100

92

84 (28.2)

   Vitality

63.33

13.80

33-100

67

1 (0.3)

   Emotional functioning

78.20

14.37

7-100

80

15 (5)

   Eating disturbances

93.52

12.03

11-100

100

193 (64.8)

   Health perceptions

80.78

16.74

33-100

84

74 (24.8)

   Social functioning

90.26

9.14

33-100

94

73 (24.5)

   Body image

84.59

17.77

22-100

89

126 (42.3)

   Role functioning

93.81

7.94

67-100

100

157 (52.7)

   Weight

93.42

19.47

0-100

100

260 (87.2)

   Respiratory symptoms

92.21

11.34

33-100

94

131 (44)

   Digestive symptoms

89.98

13.82

0-100

89

144 (48.3)