Adapted suicide safety plans to address self-harm, suicidal ideation, and suicide behaviours in autistic adults: protocol for a pilot randomised controlled trial

Table 1 Time points at which data are collected

Procedure	Screening	Baseline	1-month follow-up (F1)	6-month follow-up (F2)
Autistic adults & professionals
Eligibility checklist	X
Informed consent	X
Wellbeing plan (to note adaptations, participant safety, and emergency contact)	X
Autistic adults only
Demographics^a		X		X
MINI		X
SITBI		X	X	X
VEQ^b		X	X	X
SBQ-ASC		X		X
EQ-5D-5L		X		X
Resource utilisation questionnaire		X		X
Time and travel questionnaire		X		X
Randomisation^c		X
Acceptability and feasibility semi-structured interview for autistic adults				X
SUS^d				X
CSQ-8^d				X
Professionals only
Acceptability and feasibility semi-structured interview for professionals				X

^aDemographics to include — socio-economic status, employment, housing, access to support, physical health, and education
^bAt baseline, this questionnaire asks about their entire life. At F1, it asks about the past month. At F2, it asks about the past 5 months
^cRandomisation to take place following completion of baseline assessment
^dOnly completed by participants allocated to the AASP arm

ISSN: 2055-5784