Table 2.

Theoretical components, behaviour change techniques applied and examples from PA consultations

HAPA stage	HAPA components	Behaviour change technique	Example
Pre-intender	Risk perceptions, Outcome expectancies, Task self-efficacy	Information from a credible source	Information from trained researcher
		information about health and emotional consequences	Information regarding benefits of PA during pregnancy
		pros and cons	Discussion of pros and cons of engaging in PA during pregnancy
		focus on past success	Discussion of activities engaged in previously which were enjoyed (pre-pregnancy or last trimester)
Intenders	Action planning, Coping planning, Coping self-efficacy	goal setting: behaviour	Set a personalised goal for the engagement in PA per week (SMART goal)
		action planning	Write a detailed plan of how, when and where the goal related PA will occur
		problem solving	Look ahead for events which may hinder goal success and think of ways to reduce this being a problem
		unspecified social support	Think about friends and family who can help with engagement in PA and achievement of goal
Actors	Recovery self-efficacy, Maintenance	review of behavioural goals	Discuss how well the participant met the previously set goal. Modify or continue with same goal.
		Action planning	Write a detailed plan of how, when and where the modified or continued goal related PA will occur
		goal setting: behaviour	Set a personalised goal for the engagement in PA per week (SMART goal)
		focus on past success	Discussion of activities engaged in previously which were enjoyed and engaged in (pre-pregnancy or last trimester)