Study protocol: An investigation of mother-infant signalling during breastfeeding using a randomised trial to test the effectiveness of breastfeeding relaxation therapy on maternal psychological state, breast milk production and infant behaviour and growth

Table 2 List of data collection instruments that will be used in the MOM Study

No	Questionnaires	Language		Type of Question-naire^b	Stages	Method of administration^c
No	Questionnaires	English	Malay	Type of Question-naire^b	Stages	Method of administration^c
1	Socio-demographic Questionnaire	X	X	-	^apost-enrolment	Self-completed
Breastfeeding practice and attitude:
2	Iowa Infant Feeding Attitude Scale (IIFAS)	X	X	V	^apost-enrolment	Self-completed
3	IIFAS Add Questionnaire	X	X	A	^apost-enrolment	Self-completed
4	CDC Neonatal Questionnaire	X	X	A	HV1	Self-completed
5	CDC Infant Feeding Questionnaire I, II & III	X		A	HV 1,2,3	Interviewer led-questionnaire
Infant behaviour:
6	Baby Eating Behaviour Questionnaire	X	X	V	HV 1,2,3	Self-completed
7	3-day Infant Behaviour Diary	X	X	V	HV 1 & 2	Self-completed
8	Revised-Rothbart’s Infant Behaviour Questionnaire (R-IBQ)	X	X	V	HV 4	Interviewer led-questionnaire
Maternal psychological state and emotion:
9	Mini-breastfeeding Questionnaire	X	X	A	HV 1,2,3	Self-completed
10	Perceived Stress Scale	X	X	V	HV 1,2,3	Self-completed
11	Beck Anxiety Inventory	X	X	V	HV 1,2,3	Self-completed
12	Edinburgh Postnatal Depression Scale	X	X	V	HV 1,2,3	Self-completed

^aPost-enrolment was done immediately after enrolment at the antenatal clinic
^bV = Questionnaires that have been validated previously; A = Questionnaire that was adapted from previous studies;
^cSelf-completed = completed by the mother; Administered = Questionnaire-led interview by the researcher

ISSN: 1746-4358