Table.2.

Overview of the BIP TIC and comparator chapters for children and parents

Chapter	BIP TIC child	Comparator child	BIP TIC parent	Comparator parent
1	Information about the internet format and platform* Basic information about tics*		Information about the internet format and platform* Information about the parent role* Contingency management (token economy*)
2	How tics can be bothersome* Premonitory urges* Make a list of current tics*		Common thoughts, feelings, and behaviours of parents How to not comment on the tics	How to praise the child during the treatment activities
3	Response prevention practice	“Become an expert in tics”, including information about the natural course of tics and famous people with tics	How to praise the child during the treatment activities	How to prompt (remind) the child to use treatment strategies
4	Add exposure to the response prevention	Information about common comorbid psychiatric conditions	How to prompt (remind) the child to use treatment strategies	Information about common comorbid psychiatric conditions
5	Continued exposure with response prevention practice	Engage in healthy habits, such as daily routines, exercise, good nutrition, and sleep hygiene	Functional assessment and interventions	Healthy habits for the child and the parent
6	Continued exposure with response prevention practice How to cope with tics in school How to cope with bullying	Continued engagement in healthy habits How to cope with tics in school How to cope with bullying	Troubleshooting the exposure with response prevention practice	How to cope with tics in school
7	Continued exposure with response prevention practice How to tell others about tics	Continued engagement in healthy habits How to tell others about tics	Continued practice of treatment strategies	Common thoughts and feelings of parents
8	Continued exposure with response prevention practice	Information about risk and protective factors for tics	Continued practice of treatment strategies	Information about risk and protective factors for tics
9	Continued exposure with response prevention practice	Information about research studies on tics The future for people with tics	Continued practice of treatment strategies	Parental self-care
10	Summary of chapters 1 to 9* Make a plan for continued practice in the future*		Summary of parental treatment strategies* Make a plan for continued parental support in the future*

Note: Each parent chapter also includes the key information from the corresponding child chapter, so that the parent does not miss out on what the child is learning in their chapter

*Denotes that the same content appears in both BIP TIC and the comparator

Abbreviations: BIP TIC therapist-guided internet-delivered behaviour therapy (exposure with response prevention) for children and adolescents with Tourette syndrome or chronic tic disorder, comparator therapist-guided internet-delivered education for children and adolescents with Tourette syndrome or chronic tic disorder