Average points difference before and after the program. The experimental group scored higher than the control group (95% CI 1.70 to 3.92 and 0.15 to 1.45 points), the median difference between the attitudes before and after the program, the experimental group had a median score was higher than the control group (95% CI 3.93 to. 8 to 1 and -3.89 points) Difference median score of the waste after treatment between the experimental group and the control group after the program. The difference was statistically significant (95% CI 1 to 4, p-value <0.001).
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