Rwandan men participate in a training program to prevent gender-based violence and learn how to be more actively involved in caring for their children. Photo by: Crystaline Randazzo / Bread for the World / CC BY-NC-ND

LONDON — Targeting men as they become fathers could be an effective way of transforming male attitudes towards women and could help reduce gender-based violence, according to a new evaluation offering rare insight into the impact of such efforts.

The approach can also lead to greater sharing of household duties, and encourage use of family planning among couples, it found.

The two-year randomized controlled trial examin