At the age of 3, an increased odds of presentingwith visible
plaque accumulation was observed in children from the two
lowest educational groups, but also in the highest group.
These differences were however not significant. At age 5, a
clear social gradientwas present, but no significant differences
were observed according to maternal educational level.
Analyses on the oral health-related behaviours indicated
that at age 3, the majority of children consumed sugared
drinks between the meals once a day or more, especially in
the lowest groups (Table 2); at age 5, a social gradient was