Follow-up and outcome measurement
Mothers’ queries were answered during the intervention phase, and suggestions were given when children had problems. Diary on nutritious diet preparation maintained by the mothers and dietary practices were checked during follow-up.The outcome assessor performed an outcome assessment of cognitive development. The outcome assessor is a trained, qualified, graduated registered nurse and was blinded by the study group. The outcome measurement of cognitive development assessment was assessed at the end of six months (midline test) and 12 months (endline test) after the intervention in both groups.