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Is participation contagious? Evidence from a household vector control campaign in urban Peru.

Abstract : Objectives High rates of household participation are critical to the success of door-to-door vector control campaigns. We used the Health Belief Model to assess determinants of participation, including neighbour participation as a cue to action, in a Chagas disease vector control campaign in Peru. Methods We evaluated clustering of participation among neighbours; estimated participation as a function of household infestation status, neighbourhood type and number of participating neighbours; and described the reported reasons for refusal to participate in a district of 2911 households. Results We observed significant clustering of participation along city blocks (p<0.0001). Participation was significantly higher for households in new versus established neighbourhoods, for infested households, and for households with more participating neighbours. The effect of neighbour participation was greater in new neighbourhoods. Conclusions Results support a ‘contagion’ model of participation, highlighting the possibility that one or two participating households can tip a block towards full participation. Future campaigns can leverage these findings by making participation more visible, by addressing stigma associated with spraying, and by employing group incentives to spray.
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Submitted on : Wednesday, May 27, 2020 - 9:06:23 AM
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Alison M Buttenheim, Valerie Paz-Soldan, Corentin Barbu, Christine Skovira, Javier Quintanilla Calderón, et al.. Is participation contagious? Evidence from a household vector control campaign in urban Peru.. American Journal of Public Health, American Public Health Association, 2014, 68 (2), pp.103-109. ⟨10.1136/jech-2013-202661⟩. ⟨hal-02631794⟩



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