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Table 5 Multivariate analysis of the associations between influenza vaccination received before the 2005–2006 influenza season and the healthcare workers' characteristics, knowledge and attitudes.

From: Influenza vaccination among healthcare workers in a multidisciplinary University hospital in Italy

Factors Crude OR (95% CI) OR (95% CI)* P value
Gender    
   Males  
   Females 0.60 (0.50–0.73) 0.76 (0.61–0.95) 0.016
Age    
   <25 yrs  
   25–34 yrs 1.07 (0.66–1.74) 0.97 (0.59–1.60) 0.90
   35–44 yrs 1.27 (0.79–2.06) 1.46 (0.87–2.44) 0.15
   45–54 yrs 1.83 (1.14–2.95) 1.92 (1.14–3.23) 0.015
   ≥ 55 yrs 2.99 (1.79–4.97) 2.80 (1.60–4.90) <0.001
Department    
   Surgery  
   Medicine 0.76 (0.58–1.01) 0.68 (0.50–0.92) 0.013
   Emergency 0.67 (0.47–1.06) 0.68 (0.46–1.04) 0.085
   Services 0.76 (0.55–1.04) 0.72 (0.51–1.01) 0.06
Type of employment    
   Physicians  
   Nurses 0.52 (0.43–0.64) 0.54 (0.42–0.68) <0.001
   Paramedics 0.51 (0.37–0.70) 0.48 (0.33–0.69) <0.001
Influenza considered a potentially severe disease    
   No  
   Yes 1.95 (1.61–2.37) 1.64 (1.32–2.03) <0.001
Awareness of all of the high-risk categories for which influenza prevention is strongly recommended    
   No  
   Yes 2.42 (1.91–3.06) 2.24 (1.74–2.88) <0.001
  1. *The odds ratios (OR) and 95% confidence intervals (CI) were estimated using multivariate logistic regression. °Reference category. Only the factors with a p value of < 0.05 are shown.