Table 2: Parents’ sociodemographic characteristics and their children’s oral health-related quality of life (Gr-ECOHIS) estimates, among the 176 study parent-child dyads.

ECOHIS
n or mean % or SD mean (SD) P*
Entire sample 176 100 3.4 (5.2)
Education (categorical) 0.2
high school or less 31 18 3.8 (6.5)
technical college 60 34 3.6 (5.5)
university 51 29 4.0 (5.2)
graduate 34 19 1.6 (2.7)
years (mean, SD) 15 2.6 0.05
Age (years; quartiles) 0.56
Q1 range: 27.6, 35.0 44 2.8 3.4 (5.5)
Q2 range: 35.1, 37.5 44 0.8 4.0 (5.8)
Q3 range: 37.5, 39.9 44 1.3 3.7 (5.7)
Q4 range: 39.9, 56.5 44 6.5 2.5 (3.4)
years (mean, SD) 38 4.2 0.50
Marital 0.60
single 2 1 6.0 (8.5)
married 168 95 3.3 (5.1)
divorced, separated, widowed 6 3 4.8 (7.4)
Number of children =0.0008
1 54 31 1.8 (3.3)
2 102 58 3.6 (5.4)
3 or more 20 11 6.7 (6.4)
Foreign-born 0.98
no 167 95 3.4 (5.2)
yes 9 5 3.3 (4.5)

SD, standard deviation *derived from analyses of variance (ANOVA) or linear regression †statistically significant after Bonferroni correction for study-wide multiple testing (31 independent tests).