Mediterranean Diet Assessment - MEDAS

Technical Manual

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

Created: January 19, 2023

Last Modified: January 19, 2023 by K. Borchert (katjab@millisecond.com), Millisecond

Script Copyright © Millisecond Software, LLC

Background

This script implements Millisecond's computerized version of the Mediterranean Diet Assessment (MEDAS).

References

Martínez-González, M. A., et al (2012). A 14-item Mediterranean diet assessment tool and obesity indexes among high-risk subjects: the PREDIMED trial. PloS One, 7(8), e43134–e43134. https://doi.org/10.1371/journal.pone.0043134

Duration

3 minute

Overview

self-report measure consisting of 14 questions

Summary Data

File Name: medas_summary*.iqdat

Data Fields

NameDescription
inquisit.version Inquisit version number
computer.platform Device platform: win | mac |ios | android
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
Summary Score
medasTotal The total score (range 0-14) based on the translated raw responses
Translated Raw Responses
q1 - q14 The translated raw responses (max 1 point)
point distribution in table 1 in Martínez-González et al (2012)
Raw Responses
Radiobuttons.Q1.Response,
Textbox.Q2.Response,
Textbox.Q3.Response,
Textbox.Q4.Response,
Textbox.Q5.Response,
Textbox.Q6.Response,
Textbox.Q7.Response,
Textbox.Q8.Response,
Textbox.Q9.Response,
Textbox.Q10.Response,
Textbox.Q11.Response,
Textbox.Q12.Response,
Radiobuttons.Q13.Response,
Textbox.Q14.Response

Raw Data

File Name: medas.iqdat

Data Fields

NameDescription
date Date the session was run
time Time the session was run
subject, group, session With the current subject/groupnumber/session id
build Inquisit version number
q*_response Response given (in assigned values)
Scale: 1 (almost never) - 4 (almost always)
R: reversed coded questions (if any)
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)