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Table 2 Significant risk factors for S. Oranienburg-associated illness in Germany, October-December 2001

From: International outbreak of SalmonellaOranienburg due to German chocolate

Exposure Cases exposed (n/N, %) * Controls exposed (n/N, %)* MOR Exact 95% CI P-value
Ate chocolate bought at chain X 11/44 (25) 2/45 (4) 5.0 1.1, 47.0 0.04
Daily consumption of chocolate 22/48 (46) 12/50 (24) 4.8 1.3, 26.5 0.01
Shopped at chain X 31/44 (71) 19/45 (42) 4.2 1.2, 23.0 0.03
  1. MOR = Matched odds ratio, CI = Confidence interval
  2. * Proportion and percentages of cases and controls exposed ignoring matching