___________________________________________________________________________________________________________________ THE WORLD HEALTH ORGANIZATION QUALITY OF LIFE (WHOQOL) -BREF (US English version) ___________________________________________________________________________________________________________________ Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC Date: 05-16-2016 last updated: 11-01-2023 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC Script Copyright © 11-01-2023 Millisecond Software ___________________________________________________________________________________________________________________ BACKGROUND INFO ___________________________________________________________________________________________________________________ This script implements the (US English Version) of World Health Organization Quality of Life scale (an abbreviated generic Quality of Life Scale developed through the World Health Organization) the instrument (US English Version) can be downloaded from: http://depts.washington.edu/seaqol/WHOQOL-BREF ___________________________________________________________________________________________________________________ OVERVIEW ___________________________________________________________________________________________________________________ self-administered questionnaire with 26 5-point Likert questions ___________________________________________________________________________________________________________________ DURATION ___________________________________________________________________________________________________________________ the default set-up of the script takes appr. 3 minutes to complete ___________________________________________________________________________________________________________________ DATA FILE INFORMATION ___________________________________________________________________________________________________________________ The default data stored in the data files are: (1) Raw data file: 'whoqol_bref.iqdat' date, time: date and time script was run with the current group/subjectnumber subject, group, session: with the current subject/groupnumber/session id build: the Inquisit build q*_response: response given (in assigned values) Scale: 1 (most negative response) - 5 (most positive response) - wording depends on question R = automatically reversed coded questions (here: q3R, q4R, q26R) 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: 'whoqol_bref_summary.iqdat' (Inquisit Lab: one data file per participant) inquisit.version: Inquisit version run computer.platform: the platform the script was run on (win/mac/ios/android) startDate: date script was run startTime: time script was started subjectid: assigned subject id number groupid: assigned group id number sessionid: assigned session id number elapsedTime: time it took to run script (in ms); measured from onset to offset of script completed: 0 = script was not completed (prematurely aborted); 1 = script was completed (all conditions run) ///Raw Scores: Domain1_raw: calculates the raw score for Domain1 (PHYSICAL) by adding the responses to the Domain 1 questions (reversed items are automatically reversed scored) if 1 item is missing: the score gets replaced with the mean of the remaining 6 scores if more than 1 item is missing: no raw score is calculated Range: 7-35 Domain2_raw: calculates the raw score for Domain2 (PSYCHOLOGICAL) by adding the responses to the Domain 2 questions (reversed items are automatically reversed scored) No raw score is calculated if not all questions are answered Range: 6-30 Domain3_raw: calculates the raw score for Domain3 (SOCIAL RELATIONSHIP) by adding the responses to the Domain 3 questions (reversed items are automatically reversed scored) No raw score is calculated if not all questions are answered Range: 3-15 Domain4_raw: calculates the raw score for Domain4 (ENVIRONMENT) by adding the responses to the Domain 4 questions (reversed items are automatically reversed scored) if 1 item is missing: the score gets replaced with the mean of the remaining 7 scores if more than 1 item is missing: no raw score is calculated Range: 8-40 ///Transformed Scores: Domain1_TS100: transformed score for Domain 1 (PHYSICAL) on the scale 0-100 ((Raw Score - 7)/28) * 100 => lowest score (7) gets transformed to 0 => highest score (35) gets transformed to 100 Domain2_TS100: transformed score for Domain 2 (PSYCHOLOGICAL) on the scale 0-100 ((Raw Score - 6)/24) * 100 => lowest score (6) gets transformed to 0 => highest score (30) gets transformed to 100 Domain3_TS100: transformed score for Domain 3 (SOCIAL RELATIONSHIP) on the scale 0-100 ((Raw Score - 3)/12) * 100 => lowest score (3) gets transformed to 0 => highest score (15) gets transformed to 100 Domain4_TS100: transformed score for Domain 4 (ENVIRONMENT) on the scale 0-100 ((Raw Score - 8)/32) * 100 => lowest score (8) gets transformed to 0 => highest score (40) gets transformed to 100 countValid1- countValid4: store the number of questions that were answered for domain1-domain4 ___________________________________________________________________________________________________________________ QUESTIONNAIRE SET-UP & SCORING ___________________________________________________________________________________________________________________ 26 questions, questions 3, 4, 26 automatically reversed scored SCORING scoring of the questions follows the guidelines posted on: http://depts.washington.edu/seaqol/docs/Wq_bref.txt ___________________________________________________________________________________________________________________ INSTRUCTIONS ___________________________________________________________________________________________________________________ http://depts.washington.edu/seaqol/WHOQOL-BREF "This assessment asks how you feel about your quality of life, health, or other areas of your life. Please answer all the questions. If you are unsure about which response to give to a question, please choose the one that appears most appropriate. This can often be your first response. Please keep in mind your standards, hopes, pleasures and concerns. We ask that you think about your life in the last two* weeks." *to change the instructions to the "last 4 weeks", change instructions under section SURVEYPAGES