Exploring fidelity of enactment in a cluster randomised controlled trial testing the effectiveness of ‘gatekeeper’ training for pesticide vendors in reducing self-poisoning in rural Sri Lanka: protocol for a multimethod qualitative study

Abstract

IntroductionPesticide self-poisoning causes severe health and socioeconomic hardship in low- and middle-income countries, including Sri Lanka. A stepped-wedge cluster randomised controlled trial (cRCT) has been designed to test whether ‘gatekeeper’...