This file contains data from an evaluation study of the impact of participation in a psychological intervention designed by the NGO, Centro de Prevención de la Violencia (CEPREV), on intimate partner violence among at-risk youth living in three neighborhoods in the vicinity of San Pedro Sula, Honduras. The intervention ran from January 2015 through October 2015. Study participants were 934 young women and men (589 treatment and 345 controls) between the ages of 13 and 30. Baseline data collection took place in November of 2014 while final data was collected between December 2015 and February 2016.