The effectiveness of a suicide prevention app for indigenous Australian youths: study protocol for a randomized controlled trial

Table 1 Overview of measures

Variable	Test measure	Screener	Brief assessment	Baseline	Within app	Post-test	Follow-up
Screener, part 1	Questions	X
Psychological distress	K10	X		X		X	X
Depression	PHQ-9	X	X	X		X	X
Suicide intent	5 questions	X
Demographics	Questions			X
Mental health service utilization	Client Service Receipt Inventory			X
Impulsivity	BIS-11			X		X	X
Suicidal ideation	DSI-SS			X		X	X
Suicidal ideation and plan	2 questions				X

BIS-11, Barratt Impulsivity Scale; DSI-SS, Depressive Symptom Inventory – Suicidality Subscale; K10, Kessler Psychological Distress Scale; PHQ-9, Patient Health Questionnaire 9.

ISSN: 1745-6215