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Comparison of mothers’ knowledge and practice scores related to lead exposure among young children before and after the educational intervention using Paired t-test
| Variable | Mean ± SD (Pre) | Mean ± SD (Post) | t (df = 250) | p-value |
|---|---|---|---|---|
| Knowledge Score | 8.5 ± 2.3 | 15.2 ± 2.1 | 38.47 | < 0.001 |
| Practice Score | 9.2 ± 1.8 | 14.3 ± 1.9 | 39.12 | < 0.001 |
