Table 1.

SPIRIT flow chart for recruitment, treatment and assessments

	Study period
	Enrolment	Randomization	Treatment (5 fortnightly emailed programmes with phone calls)					6 and 12 month follow-up sessions
Time point	−t 1	0	T1	T2	T3	T4	T5
Recruitment:
Eligibility screen	×
Informed consent	×
Randomization		×
Interventions:
Cognitive behaviour therapy			×	×	×	×	×
Lifestyle			×	×	×	×	×
Waiting-list control			×	×	×	×	×
Assessments:
1. Baseline (demographics, lifestyle, health)		×
2. Post-treatment lifestyle, health, process outcomes							×
3. 6-month lifestyle, health								×
4. 12-month lifestyle, health								×