Considering some socio-demographic characteristics affecting knowledge and practice scores after the intervention, we found that the age >40 group had a higher increase in the general knowledge score, with scores in the group under 40 age was 3.01 ± 0.79 and group over 40 years old was 3.22 ± 0.80, the difference was statistically significant with p <0.05 (Table 3.31).