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Associations between reported respiratory symptoms and histone H3 level.
| Respiratory Symptoms | Histone H3 OR (95% CI) |
|---|---|
| Cough | 3.0 (1.39–6.58) * |
| Phlegm | 2.8 (0.96–8.07) |
| Wheezing | 2.1 (0.69–6.30) |
| Chest Tightness | 1.3 (0.30–6.14) § |
N = 248; * Significant at p < 0.05; § By χ2 test with Yates’ correction for expected value < 5.
