Figure 2From: Determinants and protective behaviours regarding tick bites among school children in the Netherlands: a cross-sectional study Variation in knowledge level by school, illustrated by the posterior empirical bayes estimates of the random effects for each school rank (squares), with their 95% confidence intervals. Red horizontal line indicates the level for the average school; if an interval does not intersect with the red line, the corresponding school differs significantly from the average.Back to article page