A randomised controlled trial and cost-effectiveness evaluation of

Table 1 Timing of procedures and assessments

	Minus 3 months	Minus 2 months	Minus 1 month	~Minus 1 week	Randomisation	1 month	2 months	3 months	9 months
Brief Intervention Screening Checklist	✔
SPAQ	✔			✔				✔	✔
DVD (if eligible)	✔
DVD usage assessment		✔	✔
Booster Trial Screening Checklist				✔
Participant Information Sheet				✔	✔
Participant Consent Form					✔
BREQ-2					✔			✔	✔
EXERT					✔			✔	✔
Questionnaire 1					✔
Questionnaire 2					✔			✔	✔
Questionnaire 3 (SF-12v2+4)					✔			✔	✔
Height & weight					✔			✔	✔
Randomisation					✔
Booster intervention (Rx only)						✔	✔
12 minute walk test								✔	✔
7 day accelerometery								✔	✔

ISSN: 1471-2458