Volume 17, Number 9—September 2011
Research
Seroepidemiologic Study of Pandemic (H1N1) 2009 during Outbreak in Boarding School, England
Table 4
Multivariable analysis of staff only in relation to having ARI or serology-confirmed infection during outbreak of pandemic (H1N1) 2009, England*
Variable |
AOR (95% CI) for ARI in questionnaire sample |
AOR (95% CI) for positive test result in matched sample |
---|---|---|
Age group, y | ||
20–49 | 1 | 1 |
>50 |
0.71 (0.32–1.57) |
0.91 (0.26–3.14) |
Role | ||
Nonteaching | 1 | 1 |
Teaching |
1.18 (0.56–2.52) |
7.47 (2.31–24.18) |
Took antiviral drugs for PEP† | ||
No | 1 | 1 |
Yes |
0.34 (0.15–0.77) |
0.66 (0.18–2.39) |
Seasonal influenza vaccine | 1 | |
No | 1 | 0.76 (0.35–1.67) |
Yes | 2.36 (0.69–8.11) | 2.36 (0.69–8.11) |
*n = 226. ARI, acute respiratory infection; AOR, adjusted odds ratio; CI, confidence interval; PEP, postexposure prophylaxis.
†Persons who reported taking the treatment dose of antiviral drugs were excluded.