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Table 3 Priority setting for intervention among hepatitis C virus, unsafe water, and outdoor air pollution (n = 3,622)

From: Risk perception and priority setting for intervention among hepatitis C virus and environmental risks: a cross-sectional survey in the Cairo community

Pairwise comparisons of interventions
in the Condorcet method
Main study where respondents
ranked three health hazards
Validation study where respondents
ranked two health hazards
  n % 95% CI P Value n % 95% CI P Value
Improved water supply preferred to screening and treatment of chronic hepatitis C 2,603 66.3 64.4 to 68.1 < .0001 345 62.0 56.7 to 67.2 < .0001
Improved water supply preferred to improved outdoor air quality 2,603 60.1 58.2 to 62.0 < .0001 336 58.6 53.2 to 64.0 < .001
Improved outdoor air quality preferred to screening and treatment of chronic hepatitis C 2,603 55.9 53.9 to 57.8 < .0001 338 52.4 46.9 to 57.8 .38
  1. Note: Binomial proportions were tested against the hypothesis that the proportion is 50%.
  2. Abbreviations: 95% CI, 95% confidence interval.