Table 1.

Schedule of administration of study measures (2018–2023)

	Study activity	Study time point
		CTP stage II (enrolment)	CTP stage III	Year 1* (wave 1)	Year 2* (wave 2)	Year 3* (wave 3)	Year 4* (wave 4)	Year 5* (wave 5)
Subproject 1	CTP pretest survey†	×
	CTP post-test survey†		×
	Follow-up survey (odd year)†			×		×		×
	Follow-up survey (even year)†				×		×
Subproject 2	Baseline interview†		×
	Follow-up interview†			×	×	×	×	×
Subproject 3	MINI (baseline)†		×
	MINI (follow-up)†			×	×	×	×	×

Note: as enrolment is continuous (ie, new cohorts enter the project whenever there is a CTP class) and the project is scheduled to last 5 years, not all participants will complete all waves of data collection.

*Counting from month when the specific cohort completed stage III of CTP.

†We obtain informed consent from all participants at each point of data collection.

CTP, correctional training programme; MINI, Mini International Neuropsychiatric Interview.