A study protocol of mobile phone app-based cognitive behaviour training for the prevention of postpartum depression among high-risk mothers

Table 2 The timeline of enrolment, interventions and assessments

	Study period
	Enrolment	Allocation	Intervention						Follow-up
Timepoint		t₀	1st week	2nd week	3rd week	4th week	5th week	6th week	t₁	t₂	t₃
Enrolment:
eligibility screen	●
informed consent	●
allocation		●
Interventions:
intervention group			●	●	●	●	●	●
control group			●	●	●	●	●	●
Assessments:*
baseline		●
immediately after the last intervention									●
3 months following the intervention										●
6 months following the intervention											●

*Variables assessed at baseline include demographic factors, socioeconomic factors, depression status, negative emotion symptoms, parenting competence
*Variables assessed at other three times are the same, they were depression status, negative emotion symptoms, parenting competence

ISSN: 1471-2458