Barriers to uptake of an oral cholera vaccine in a community mass vaccination campaign in Zanzibar, stratified by site.

aBarriers ordered according to descending mean prominence for the pooled sample (see Table 3), grouped barriers in bold; bPercentage of barriers reported spontaneously and after probing; cPercentage of barriers reported spontaneously only; dPercentage of barriers that were identified as single most important among all the reported barriers; eMean prominence based on values assigned for each barrier (3 = identified as most important, 2 = reported spontaneously, 1 = reported after probing, 0 = not reported), *p<0.05 (Wilcoxon test for comparison of mean prominence between site).