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Table 2 Identified risk indicators

From: A large-scale assessment of hand hygiene quality and the effectiveness of the “WHO 6-steps”

No. Hypothesis tested Incidence Odds Significance
   higher by ratio  
1 Male staff have higher incidence of unsatisfactory hand washing than females 51% (95% CI 32%–62%) 1.82 (95% CI 1.49–2.22) p<0.001
2 Environmental service workers have higher incidence of unsatisfactory hand washing than all other job categories counted together 32% (95% CI 21%–45%) 1.49 (95% CI 1.14–1.96) p<0.001
3 Staff aged –40 and 60+ have higher incidence of unsatisfactory hand washing than those aged 40–60 21% (95% CI 11%–30%) 1.29 (95% CI 1.05–1.58) p=0.001
  1. These risk indicators were found significant and relevant. Corresponding confidence intervals are shown in Figure 3.
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