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Comparison of behavioral problem ratio according to the noise level in schools
| City | Noise level | n | Internalizing problem (%) | P value | Externalizing problem (%) | P value | Total behavior problem (%) | P value |
|---|---|---|---|---|---|---|---|---|
| Seoul | Low noise level (A,C) | 222 | 3.6 | 0.994 | 3.2 | 0.484 | 1.8 | 0.396 |
| High noise level (B,D) | 195 | 3.6 | 2.1 | 3.1 | ||||
| Ulsan | Low noise level (E,G) | 231 | 4.8 | 0.957 | 4.8 | 0.957 | 3.9 | 0.853 |
| High noise level (F,H) | 279 | 4.7 | 4.7 | 3.6 |
