Path diagram model: direct and mediating variables association between parent's education, health locus of control, attitudes, and beliefs regarding vaccination. Values on the arrows were correlation coefficients (ß) and values in the boxes were the R2. Thick line = direct association. Model fitness: χ2(52) = 64.20, p = .119, NFI = .980, NNFI = .991, CFI = .996, RMSEA = .018.