Table 2.

Summary of main elements of intervention

When provided	Content	Delivery method	Delivery unit	Delivery setting	Deliverer (Provider)	Exposure quantity	Time span
Sanhujoriwon admission day	• Orientation for postpartum care center’s care policies for mother and baby and environment’s characteristics • Orientation for maternal adaptation program and obtaining the written consent form	Explanation Agreement	Individual family (First time mother and her partner)	Maternal private room in Sanhujoriwon	Coauthor (JMK)	1 session	30 min
The 1st Saturday after admission into Sanhujoriwon	• Core components for enhancing maternal/paternal and baby attachment • Strategies for successful breastfeeding and infant care when rooming-in • Supporter’s role to empower and help the mother’s successful transition • Importance of mothers and fathers’ positive attitudes or values about rooming-in and breastfeeding practice for family-centered care environment	Lecture Practice	Group (First time mothers and their partners)	Lecture room in Sanhujoriwon	PI (JES)	1 session	120 min
The 2nd Saturday after admission into Sanhujoriwon	• Baby massage and infant care skills • Expression of love among family members, wife, partner, and baby • Supporter’s role and strategies to empower and help mother	Lecture Practice	Group (First time mothers and their partners)	Lecture room in Sanhujoriwon	Coauthor (JMK)	1 session	120 min
Twice a week during stay within the Sanhujoriwon	• Counseling and individual education for resolving breastfeeding difficulties or infant care problems when rooming-in	Practice Teaching Coaching	Individual family (First time mother and her partner)	Maternal private room in Sanhujoriwon	Coauthor (JMK)	4 sessions	30 min for each session
Before starting intervention	• Establishing principles to support breastfeeding and rooming-in for family-centered care environment	Discussion Consensus	Individual (Sanhujoriwon administrator)	Meeting room in Sanhujoriwon	PI (JES)	1 session	30 min

PI Principle Investigator