Univariate analysis | Multivariate analysis | |||||
---|---|---|---|---|---|---|
OR | 95% CI | P | OR | 95% CI | P | |
Sex | ||||||
Mena | 1 | – | ||||
Women | 0.86 | 0.36–2.08 | 0.738 | – | ||
Age, years | ||||||
20–39a | 1 | – | ||||
40–59 | 1.64 | 0.52–5.24 | 0.399 | – | ||
≥60 | 2.32 | 0.72–7.50 | 0.159 | – | ||
Department/specialty | ||||||
Internal medicinea | 1 | – | ||||
Surgery | 0.77 | 0.47–1.26 | 0.299 | – | ||
Other | 0.91 | 0.47–1.76 | 0.778 | – | ||
No. of patients seen per day | ||||||
<50a | 1 | – | ||||
≥50 | 0.74 | 0.49–1.11 | 0.145 | – | ||
No. of A/H1N1 patient contacts by time of survey | ||||||
0a | 1 | 1 | ||||
1–20 | 7.45 | 1.73–32.10 | 0.007 | 7.49 | 1.73–32.36 | 0.007 |
>20 | 8.32 | 1.84–37.69 | 0.006 | 8.03 | 1.77–36.50 | 0.007 |
Seasonal influenza vaccination | ||||||
Rarely/nevera | 1 | – | ||||
Every year/almost every year | 0.69 | 0.26–1.82 | 0.450 | – | ||
Knowledge of the past US Guillain–Barré syndrome cases | ||||||
Noa | 1 | 1 | ||||
Yes | 0.66 | 0.45–0.96 | 0.031 | 0.66 | 0.45–0.97 | 0.036 |