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Table 4 Logistic regression model for persons with serologically confirmed influenza infection as outcome (n = 727)

From: Seasonal influenza risk in hospital healthcare workers is more strongly associated with household than occupational exposures: results from a prospective cohort study in Berlin, Germany, 2006/07

Exposure Number exposed Odds Ratio1 P-value 95% confidence interval
Immunisation 257 0.50 0.02 0.29-0.88
Household contacts     
   Lives alone 75 ref - -
   Lives with adults 430 2.0 0.28 0.58-6.70
   1 or 2 children 198 5.3 0.02 1.33-21.12
   3 or more children 33 13.8 0.001 2.97-64.27
Lives without children and has a car 352 3.0 0.02 1.21-7.25
  1. 1 - adjusted for all other variables in model