The effectiveness of proactive telephone support provided to breastfeeding mothers of preterm infants: study protocol for a randomized controlled trial

Table 1 Time schedule for obtaining data on characteristics

Baseline data	All infants admitted at the NICU	Trial participants at enrolment	Trial participants at discharge
Date of birth	•	•
Sex (infant)	•	•
Gestational age	•	•
Age (mothers/partners)	•	•
Parity		•
Birth weight		•
Way of delivery		•
Single/multiple birth		•
Educational level (mother)		•
Ethnicity (mother/partner)		•
Weight at discharge			•
Date of discharge			•
Days ‘on leave’ before discharge*			•
Infant’s health			•
Parent’s health			•

*In Sweden, parents are sometimes enabled to take their infants home (hours or days), although still admitted to the NICU.

ISSN: 1471-2431