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Subjective assessments of well-being and impact
| Intervention % (n) | Control % (n) | p-value* | |
| Breathing problems improved compared to 12 months previously | 74% (90) | 73% (99) | 0.849 |
| Chest problems create little or no problem for child school activities | 98% (119) | 97% (130) | 0.686 |
*Fisher's exact test
