Table 4 Mean OHRQoL ADD scores by category for global reference variable

Children—ECOHIS

Oral health—First visit

 JIA

40

2.98

(0.53)

[1.91–4.04]

5

11.00

(1.50)

[7.98–14.02]

 < 0.001

 Control

53

2.08

(0.37)

[1.33–2.82]

1

1

(Only one observation)

-

Tooth appearance—First visit

 JIA

36

2.72

(0.59)

[1.54–3.90]

9

8.44

(1.17)

[6.08–10.81]

0.008

 Control

50

1.76

(0.35)

[1.06–2.46]

4

5.75

(1.24)

[3.26–8.24]

0.104

Oral health—Two-Year Follow-up

 JIA

34

3.68

(0.76)

[2.15–5.21]

11

7.82

(1.34)

[5.13–10.51]

0.019

 Control

52

2.48

(0.43)

[1.63–3.34]

2

5.50

(2.17)

[1.14–9.86]

0.203

Tooth appearance—Two-Year Follow-up

 JIA

35

3.40

(0.69)

[2.00–4.80]

10

9.20

(1.30)

[6.58–11.82]

0.001

 Control

47

2.38

(0.45)

[1.48–3.28]

7

4.00

(1.16)

[1.66–6.34]

0.029

Adolescents – Child OIDP

Oral health—First visit

 JIA

86

1.15

(2.64)

[0.58–1.72]

24

1.21

(2.25)

[0.26–2.16]

0.967

 Control

87

0.45

(1.26)

[0.18–0.72]

15

0.87

(1.85)

[-0.16–1.89]

0.211

Tooth appearance—First visit

 JIA

79

0.89

(2.08)

[0.42–1.35]

31

1.74

(3.41)

[0.49–2.99]

0.088

 Control

75

0.39

(1.27)

[0.09–0.68]

27

0.85

(1.56)

[0.23–1.47]

0.021

Oral health—Two-Year Follow-up

 JIA

99

0.32

(1.13)

[0.10–0.55]

12

2.25

(3.14)

[0.26–4.24]

0.001

 Control

96

0.22

(0.81)

[0.05–0.38]

6

0.83

(0.75)

[0.04–1.62]

0.006

Tooth appearance—Two-Year Follow-up

 JIA

95

0.34

(1.15)

[0.10–0.57]

16

1.69

(2.87)

[0.16–3.22]

0.010

 Controls

80

0.20

(0.82)

[0.02–0.38]

22

0.45

(0.80)

[0.10–0.81]

0.020