Table 1.

Intervention characteristics of trials included in EPOCH Collaboration

	Healthy Beginnings Trial	InFANT	NOURISH	POI.nz
Number of participants	N = 667 first-time mothers	N = 698 first-time mothers	N = 559 first-time mothers	N = 400 first-time mothers
Intervention content	Promote/sustain breastfeeding Bottle feeding advice Introduction of solids Amount or feeding frequency Limit SSB Limit certain foods (e.g. sweets) Response hunger/satiety cues Promote tummy time Promote play or activity Limit TV/screen time	Introduction of solids Amount or feeding frequency Limit SSB Limit certain foods (e.g. sweets) Repeat food exposure Response hunger/satiety cues Fussy eating Promote tummy time Promote play or activity Limit TV/screen time	Bottle feeding advice Introduction of solids Amount or feeding frequency Limit SSB Limit certain foods (e.g. sweets) Repeat food exposure Response hunger/satiety cues Fussy eating Promote tummy time Promote play or activity Limit TV/screen time	Promote/sustain breastfeeding Bottle feeding advice Introduction of solids Amount or feeding frequency Limit SSB Limit certain foods (e.g. sweets) Repeat food exposure Response hunger/satiety cues Fussy eating Promote tummy time Promote play or activity Limit TV/screen time Sleep timing Sleep environment
Intervention start	Antenatal	Infant aged 4–6 months	Infant aged 3 months	Antenatal
Procedures	Participant-led discussion guided by checklist	Brief didactic sessions Group discussion Peer support Exploration of perceived barriers	Didactic sessions Group discussion Peer support Monitoring/discussion of progress at home	Face-to-face individual sessions Group physical activity sessions
Intervention facilitator	Community nurse	Dietitian	Dietitian and psychologist	Trained researchers and lactation consultants
Delivery mode	Individual: home visits	Group: educational peer support modules at maternal and child health centres	Group: sessions delivered to pre-existing mothers groups at child health services	Individual and group: at home, a clinic, and a community hub
Intervention dose	24 months 8 sessions	15 months 6 sessions	12 months 12 sessions	18 months 2–10 sessions

This information has been extracted from Askie et al. [17], Seidler et al. [25], and the individual trial protocols and manuscripts [13–16, 20–23]

SSB sugar-sweetened beverages