Table 1.

SPIRIT schedule of enrolment, interventions, and assessments for participants

	Study period
Timepoint	Enrolment	Allocation	Treatment period (6 months)	Follow-up (end of treatment period; 6 months)
Enrolment:
Eligibility screen	X
Informed consent	X
Randomisation		X
Intervention:
Community Navigation			X
Control			X
Assessments:
Baseline outcome measures	X
Sociodemographic characteristics
Trust Informatics information
De Jong Gierveld Loneliness Scale
Lubben Social Network Scale
Resource Generator UK
Time Budget Diary
WEMWBS
Patient Health Questionnaire
Generalised Anxiety Disorder Questionnaire
EQ-5D-5 L
Recovering Quality of Life Questionnaire
Process recording			X
Community Navigator session logs
Participant feedback phone calls
Follow-up outcome measures				X
Sociodemographic characteristics
Trust Informatics information
De Jong Gierveld Loneliness Scale
Lubben Social Network Scale
Resource Generator UK
Time Budget Diary
WEMWBS
Patient Health Questionnaire
Generalized Anxiety Disorder Questionnaire
EQ-5D-5 L
Recovering Quality of Life Questionnaire
Qualitative interview			X	X

WEMWBS Warwick-Edinburgh Mental Well-being Scale, EQ-5D-5 L EuroQol 5-dimension, 5-level health outcome measure