Results
The final evaluation questionnaires were collected after 18 months of integrated intervention, where we obtained 9791 data from Grades 3–9. The incidence of non-fatal drowning between the intervention and control groups after intervention did not differ significantly from the baseline according to the total number of students, male students, female students and Grades 6–9 [0.81; 95% confidence interval (CI): [0.66, 1.00]; 