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