Background: There is a gap in data on dietary intake of adolescents in low- and middle-income countries. Traditional methods for dietary assessment are resource intensive and lack accuracy with regards to portion size estimation.

In the context of large-scale interventions to improve infant and young child feeding (IYCF) practices, we examined differences in characteristics of those exposed and not exposed to interventions; exposure to interpersonal communication (IPC), in

Frontline health workers (FLW) are needed for delivering interventions at scale to reduce maternal and child undernutrition, but low- and middle-income countries often face inadequate FLW performance.