Table 1.

ENACT intervention components

Component	Timing	Content
ENACT edX course
Module 1: very early intervention approach	Begins antenatally with completion before child is 8 weeks	Outlines the very early intervention approach or sensitivity chains and includes multiple videos of parents and babies. Includes advice on early parenting challenges.
Module 2: living a meaningful life	Begins antenatally with completion before child is 8 weeks	Grounded in ACT, focuses on values and living a rewarding life.
Module 3: willingness	Begins antenatally with completion before child is 8 weeks	Grounded in ACT, focuses on mindfulness, acceptance and defusion (undermining the literality of language) processes.
Module 4: relating to others	Begins antenatally with completion before child is 8 weeks	Grounded in ACT, focuses on acceptance, compassion and flexible parenting.
Module 5: extending early intervention	Begins antenatally with completion before child is 8 weeks	Extends sensitivity chain practice for older babies and provides advice for parents of babies experiencing challenges.
Teleconferencing clinical consultations
ENACT edX course completion support	As needed throughout course completion	Focuses on parental understanding of the edX course, implementation of anything that is immediately relevant and developing plans for the application of ENACT post-birth.
Developmental consultations	At 4 weeks, 8 weeks, 12 weeks, 4 months, 6 months, 8 months and 10 months of age	Focuses on expanding and extending sensitivity chain practice, working through any challenges and flexibly supporting parents and parental implementation of sensitivity chain practice using ACT principles. Includes the demonstration of a sensitivity chain whenever possible with opportunities for reflection and feedback.

ACT, Acceptance and Commitment Therapy; ENACT, ENvironmental enrichment for infants; parenting with Acceptance and Commitment Therapy.