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					 World Health Organization Well-Being Index (WHO-5)
SCRIPT INFO

Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 03-13-2015
last updated: 04-18-2016 by K.Borchert (katjab@millisecond.com) for Millisecond Software LLC

Copyright © 04-18-2016 Millisecond Software


BACKGROUND INFO

											*Purpose*
This script implements a computerized version of the the World Health Organization Well-Being Index (WHO-5), 
a short self-administered screening tool of 5 positively worded questions to assess current mental well-being (last 2 weeks). 

The screening tool is available in multiple languages and can be downloaded at:

http://www.psykiatri-regionh.dk/who5/menu/WHO-5+Questionnaire/

The WHO-Five Well-being Index (WHO-5) was developed at the Psychiatric Research Unit, Mental Health Centre North Zealand, Hillerød, Denmark.



DATA FILE INFORMATION: 
The default data stored in the data files are:

(1) Raw data file: 'WHO5.iqdat'

date, time, group, subject:		date and time script was run with the current group/subjectnumber 
build:							the Inquisit build 

q*_response:					response given (in assigned values)
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)


(2) Summary data file: 'WHO5_summary*.iqdat' (a separate file for each participant)

script.startdate:				date script was run
script.starttime:				time script was started
script.subjectid:				subject id number
script.groupid:					group id number
script.elapsedtime:				time it took to run script (in ms)
computer.platform:				the platform the script was run on
/completed:						0 = script was not completed (prematurely aborted); 1 = script was completed (all conditions run)
/validtotal:					1 = all questions were answered; 0 = otherwise
/WHO5_totalscore_raw:			the raw total score (0 <= totalscore <= 25); or "cannot be determined" if not all questions were answered
								0 representing worst possible and 25 representing best possible quality of life.
								"It is recommended to administer the Major Depression (ICD-10) Inventory if the raw score is below 13 or if the patient
								has answered 0 to 1 to any of the five items. A score below 13 indicates poor wellbeing and is an indication for testing
								for depression under ICD-10."
/WHO5_totalscore_percent:		the percentage total score (0 <= score <= 100)
								A percentage score of 0 represents worst possible, whereas a score of 100 represents best possible quality of life.

QUESTIONNAIRE SET-UP:
5 questions on a 6-point Likert Scale

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