Characteristics | No. (median/mean) | Crude OR (95% CI) | P value | Adjusted OR (95% CI) | P value |
---|---|---|---|---|---|
Age per 10 years1 | (29.2/31) | 1.45 (0.71-2.93) | 0.305 | Â | Â |
Male sex | 18 | 0.69 (0.14-3.45) | 0.654 | Â | Â |
Baseline anti-H1N1 titer2 | (10.0/12.3) | 0.36 (0.07-2.01) | 0.245 | Â | Â |
High risk group3 | 40 | 3.34 (0.94-11.80) | 0.061 | 6.51 (1.13-37.52) | 0.036 |
Optimal surgical mask usage | 75 | 3.39E8 (0.00-∞) | 0.998 |  |  |
Optimal hand hygiene | 83 | 3.00E8 (0.00-∞) | 0.999 |  |  |
ILI episode | 21 | 12.19 (3.23-46.04) | < 0.001 | 9.14 (2.02-41.36) | 0.004 |
Virologically confirmed 2009 H1N1 infection4 | 9 | 11.41 (2.54-51.32) | 0.002 | 5.99 (0.98-36.48) | 0.052 |