Table 3.

Assessment schedule for participants in the waitlist control group, followed by a waiting period.

Process/assessment	Intervention period (followed by a waiting period)					Follow-up period (followed by a waiting period)
	Week 1	Week 2	Week 3	Week 4	1 month		2 months	3 months	4 months	5 months	6 months
Screening	N/Aa	N/A	N/A	N/A	N/A		N/A	N/A	N/A	N/A	N/A
Informed consent	N/A	N/A	N/A	N/A	N/A		N/A	N/A	N/A	N/A	N/A
bMBCTb	N/A	N/A	N/A	N/A	N/A		N/A	N/A	N/A	N/A	N/A
Waitlist	Ic	I	I	I	N/A		N/A	N/A	N/A	N/A	N/A
WHO-HPQd	N/A	N/A	N/A	Ae	N/A		N/A	A	N/A	N/A	A
FFMQf	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
UWES-9g	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
SWLSh	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
FSi	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
SPANEj	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
EQk	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
PSSl	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
ICECAP-Am	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
TPSn	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
CEQo	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
Health service use	N/A	N/A	N/A	A	N/A		N/A	A	N/A	N/A	A
Homework engagement	A	A	A	A	A		A	A	A	A	A

^aN/A: not applicable.

^bbMBCT: brief mindfulness-based cognitive therapy.

^cI: intervention.

^dWHO-HPQ: World Health Organization Health and Work Performance Questionnaire.

^eA: assessment.

^fFFMQ: Five Facet Mindfulness Questionnaire.

^gUWES-9: 9-item Utrecht Work Engagement Scale.

^hSWLS: Satisfaction With Life Scale.

ⁱFS: Flourishing Scale.

^jSPANE: Scale of Positive and Negative Experience.

^kEQ: Experiences Questionnaire.

^lPSS: Perceived Stress Scale.

^mICECAP-A: Investigating Choice Experiments Capability Measure for Adults.

ⁿTPS: Team Psychological Safety.

^oCEQ: Credibility/Expectancy Questionnaire.