Andrew Stringer|Christine Bell|Robert Christley|F. Gebreab|G. Tefera|Karen R. Reed|A. Trawford|Gina Pinchbeck
A cluster-randomised controlled trial to compare the effectiveness of different knowledge-transfer interventions for rural working equid users in Ethiopia
University of Liverpool|Roslin Institute|University of Edinburgh|University of Liverpool|Addis Ababa University|Addis Ababa University|Sidmouth Hospital|University of Liverpool
studies evaluating efficacy knowledgetransfer methods livestock owners developing countries authors knowledge published work available evaluates effect knowledgetransfer interventions education working equid users clusterrandomised controlled trial crct used evaluate compare effectiveness three knowledgetransfer interventions knowledgechange equid health amongst rural ethiopian working equid users groups exposed either audio programme village meeting diagrammatic handout addressed identical learning objectives compared control group received intervention thirtytwo villages randomly selected interventions randomly assigned participants village received intervention knowledge levels assessed questionnaire administration data analysis included comparison baseline data intervention groups followed multilevel linear regression models allowing clustering individuals within village evaluate change knowledge different knowledgetransfer interventions total 516 randomly selected participants completed preintervention questionnaire 504 undertook postdissemination questionnaire follow response rate 98 interventions significantly improved overall change knowledge score questionnaire compared control diagrammatic handout coefficient coef 95 se 06 village meeting coef 97 se 06 significantly greater impact audio programme coef 48 se 06 covariates different baseline also significant final model age preintervention score although minimal effect intervention coefficients significant interaction age intervention study aid design education materials adult learning working equid users groups developing countries