Education level
The omnibus KruskaleWallis test shows significant differences
in knowledge (p < 0.001) and practice (p ¼ 0.033) between education
levels. For both variables a monotonic increase of the scores
can be seen along the education level. The multiple comparisons
procedure based on the JonckheereeTerpstra test with Bonferroni
correction reveals significantly higher knowledge of high school
(p ¼ 0.002) and university (p ¼ 0.012) educated respondents over
elementary educated, and also of high school educated (p ¼ 0.028)
over lower secondary educated respondents. For practices the
knowledge score is significantly higher for secondary school
(p ¼ 0.036) and high school (p ¼ 0.021) educated when compared
with elementary school educated respondents