Oral health-related quality of life, impaired physical health and orofacial pain in children and adolescents with juvenile idiopathic arthritis – a prospective multicenter cohort study

Table 3 OHRQoL impacts and mean OHRQoL ADD scores for both visits

Variable	First Visit	Two-Year Follow-up	p-value	Effect size^e
Children < 12 years
ECOHIS > 0, % (n/N)
JIA	80.9 (38/47)	85.1 (40/47)	0.791^b
Controls	64.8 (35/54)	68.5 (37/54)	0.815^b
p-value	0.073^a	0.051^a
Mean ECOHIS ADD score (SD)[95%CI]
JIA	3.7 (4.2) [2.5–4.9]	4.7 (4.6) [3.3–6.0]	0.134^d	-0.23
Controls	2.1 (2.7) [1.3–2.8]	2.6 (3.1) [1.7–3.4]	0.304^d	-0.20
p-value	*0.027*^c	*0.010*^c
Effect size^f	0.48	0.53
Adolescents ≥ 12 years
Child OIDP > 0, % (n/N)
JIA	27.0 (30/111)	15.3 (17/111)	*0.004*^b
Controls	20.6 (21/102)	13.7 (14/102)	0.230^b
p-value	0.271^a	0.742^a
Mean child OIDP ADD score (SD)[95%CI]
JIA	1.2 (2.5) [0.7–1.6]	0.5 (1.6) [0.2–0.8]	*0.033*^d	0.24
Controls	0.5 (1.4) [0.2–0.8]	0.3 (0.8) [0.1–0.4]	*0.040*^d	0.19
p-value	0.160^c	0.608^c
Effect size^f	0.31	0.22

^aChi2/Fisher’s exact – test (differences in frequencies between groups at one timepoint), ^bexact McNemar – test, ^cMann Whitney U – test, ^dWilcoxon signed rank – test, ^eEffect size (Cohen’s d): (first visit mean – follow up mean)/ SD (first visit). ^f Effect size (Cohen’s d): for two independent samples using groups (JIA/Controls)
OHRQoL oral health related quality of life, ADD scores additive scores, ECOHIS early childhood oral health impaction scale, Child OIDP child oral impact on daily performances, JIA juvenile idiopathic arthritis, n/N number observed/total number assessed, SD standard deviation, CI confidence interval. P-values < 0.05 are marked in bold

ISSN: 1472-6831