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The p-value of the Chi-square of ≤0.05 is considered significant.
| Preventive training programs (PTPs) | Sport category | p-value | ||
| Full contact | Semi-contact | Non-contact | ||
| Yes | 33 (34.7%) | 10 (55.6%) | 23 (47.9%) | 0.131 |
| No | 62 (65.3%) | 8 (44.4%) | 25 (52.1%) |
