NCT03229629.

Study name	What promotes healthy eating?
Methods	Factorial, RCT
Participants	7200 mother‐father‐child pairs
Interventions	Group 1: weekly maternal nutrition behaviour‐change communication (BCC) sessions for 4 months Group 2: weekly maternal nutrition BCC sessions for 4 months and weekly paternal nutrition BCC sessions for 3 months Group 3: receipt of a food voucher for 6 months (randomly select 1 parent) Group 4: weekly maternal nutrition BCC sessions for 4 months and receipt of a food voucher for 6 months Group 5 weekly maternal nutrition BCC sessions for 4 months and weekly paternal nutrition BCC sessions for 3 months and receipt of a food voucher for 6 months Control group: unspecified
Outcomes	Child dietary diversity score Mean difference in child dietary diversity score defined by consumption of number of food group consumed by a child Food consumption score Mean difference in food consumption score calculated using the frequency of consumption of different food groups consumed by a child.
Starting date	Registration date: 25 July 2017 – status was recruiting
Contact information	Hyuncheol Kim: hk788@cornell.edu
Notes	This trial was registered at clinicaltrials.gov as NCT03229629