Tests | Number collected | Mean (95% Wald CI) | Mean ratio (95% CI) | % Reduction | P-value |
---|---|---|---|---|---|
Non-charcoal smoking | 236 | 6.6 (5.4–8.2) | – | – | – |
Charcoal smoking | 213 | 5.9 (4.9–7.4) | 1 | – | – |
J. procera | 66 | 1.8 (1.4–2.4) | 0.3 (0.12–0.65) | 70 | < 0.001 |
E. globulus | 57 | 1.6 (1.2–2.2) | 0.27 (0.04–0.65) | 73 | < 0.001 |
O. europaea | 42 | 1.2 (0.8–1.7) | 0.2 (0.04–0.65) | 80 | < 0.001 |