Do children’s previous dental experience and fear affect their perceived oral health-related quality of life (OHRQoL)?

Table 2 Total OHRQoL (CPQ_11–14) scores by sociodemographic and general health variables

Sociodemographic variables	Mean	SD	Median	IQR	P-value^a
Total score	24.6	17.2	21	12–34	---
Age (years)
11-13	25.1	17.2	21	12–33	0.328
14-15	24.2	17.2	20	12–35
Gender
Male	25.0	17.6	21	12–35	0.357
Female	24.2	16.7	20	12–33
Birth order
First	24.5	17.0	20	12–34	0.156
2-3	23.7	17.1	20	11–33
4+	25.7	17.3	23	12–36
Number of siblings
0-3	23.3	16.5	19	12–32	0.002^b
4-5	23.8	17.0	20	11–32
6+	27.2	18.0	24	13-37
Family income
Low	30.3	19.7	27	15–43	<0.001^c
Middle	24.6	16.9	21	12–34
High	22.2	16.6	19	10–31
Mother’s education
Less than secondary	27.0	18.4	22	13–37	0.007^d
Secondary	24.3	16.7	21	12–34
University	23.2	16.6	19	12–31
Father’s education
Less than secondary	29.3	18.8	28	14–41	<0.001^e
Secondary	24.0	17.0	20	12–33
University	23.7	16.5	20	12–33
General health variables
Health problems
Yes	28.3	18.4	26	14–39	<0.001
No	23.7	16.6	20	12–33
Hospitalization
Yes	27.2	17.8	23	14–38	0.001
No	23.7	16.8	20	12–33

Abbreviations: OHRQoL Oral health related quality of life; CPQ _11–14 Child Perceptions Questionnaire for 11- to 14-year-olds; SD Standard deviation; IQR Interquartile range.
^aTwo-sample t-test, One-way ANOVA test and Tukey post-hoc test were used
^b0–3 < 6+; 4–5 < 6+
^cHigh < Low; Middle < Low
^dUniversity < Less than secondary
^eSecondary < Less than secondary; University < Less than secondary

ISSN: 1472-6831