Table 3.

Points of measurements of control variables, primary and secondary outcomes

Measures	T1 (2 months)	T2 (4 months)	T3 (7 months)	T4 (11 months)	Obtained from the health visitors’ register
CAU and UYB
Background information, incl. Socioeconomic status (SES)	X			X
Depressive symptoms (EPDS and GMDS)					X
Parenting Sense of Competence Scale (PSOC)	X	X	X	X
Parental Reflective Functioning Questionnaire (PRFQ)		X	X	X
Parental Mind Mindedness (MM)—written description	X	X	X	X
Parenting Stress Index, Fourth Edition—short form (PSI-4-SF)		X		X
Ages and Stages Questionnaire®: Socio-Emotion, Second Edition (ASQ:SE-2)				X
Alarm Distress Baby scale (ADBB)					X
Parental media use and infant screen time	X	X	X	X
Information about infant development				X
Only UYB
Intensity of UYB implementation				X

CAU Care As Usual. UYB Understanding Your Baby