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

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

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

Note: Binomial proportions were tested against the hypothesis that the proportion is 50%.
Abbreviations: 95% CI, 95% confidence interval.

ISSN: 1471-2458