Columbia-Suicide Severity Rating Scale - C-SSRS

Technical Manual

Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond

Created: January 13, 2018

Last Modified: January 02, 2025 by K. Borchert (katjab@millisecond.com), Millisecond

Script Copyright © Millisecond Software, LLC

Background

This script implements the Columbia-Suicide Severity Rating Scale (C-SSRS) - Screener/Recent/Self-Report

References

https://cssrs.columbia.edu/

Duration

0.5 minutes

Description

6 screener question to screen for suicide ideation and preparatory suicide behavior, self-report

Q1-q5: screening for suicide ideations (if q2 is negated, ideation3-4 are skipped) during the last Month 1 -> Wish to be dead 2 -> Non-Specific Active Suicidal Thoughts 3 -> Active Suicidal Ideation with Any Methods (Not Plan) without Intent to Act 4 -> Active Suicidal Ideation with Some Intent to Act, without Specific Plan 5 -> Active Suicidal Ideation with Specific Plan and Intent

Q6: screening for preparatory suicide behaviors during the last 3 months/entire lifetime

Summary Data

File Name: c_ssrs_summary.iqdat' (Inquisit Lab: one data file per participant)

Data Fields

NameDescription
inquisit.version Inquisit version number
computer.platform Device platform: win | mac |ios | android
computer.touch 0 = device has no touchscreen capabilities; 1 = device has touchscreen capabilities
computer.hasKeyboard 0 = no external keyboard detected; 1 = external keyboard detected
startDate Date the session was run
startTime Time the session was run
subjectId Participant ID
groupId Group number
sessionId Session number
elapsedTime Session duration in ms
completed 0 = Test was not completed
1 = Test was completed

Raw Data

File Name: c_ssrs.iqdat

Data Fields

NameDescription
date Date the session was run
time Time the session was run
subject Participant ID
group Group number
session Session number
build Inquisit version number
q*_response Response given (in assigned values)
Scale: 1 = yes; 0 = no
no reversed scored questions
q*_latency How much time (in ms) the participant spent on the surveyPage with this particular
question (the last time this particular surveyPage was visited)