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Thai-version Migraine Disability Assessment (MIDAS) questionnaire: concurrent validity, test–retest reliability, internal consistency, and factors predictive for migraine-related disability

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Figure 1

Diagram to report the flow of migraineur patient participants through the study.
Diagram to report the flow of migraineur patient participants through the study.

Test–retest reliability of the Thai-version MIDAS Questionnaire

Thai-version MIDAS scoreFirst questionnaireSecond questionnaireICC
1. “On how many days in the last 3 months did you miss work or school because of your headaches?”
Mean (SD)1.4 (3.93)1.5 (4.00)0.94
Median00
Min–max0–210–21
2. “How many days in the last 3 months was your productivity at work or school reduced by half or more because of your headaches? (Do not include days you counted in question 1 where you missed work or school.)”
Mean (SD)1.8 (4.30)1.5 (3.90)0.95
Median00
Min–max0–210–21
3. “On how many days in the last 3 months did you not do household work (such as housework, home repairs and maintenance, shopping, caring for children and relatives) because of your headaches?”
Mean (SD)1.4 (3.97)1.0 (3.83)0.95
Median00
Min–max0–210–21
4. “How many days in the last 3 months was your productivity in household work reduced by half or more because of your headaches? (Do not include days you counted in question 3 where you did not do household work.)”
Mean (SD)1.7 (3.95)1.7 (4.07)0.94
Median00
Min–max0–210–21
5. “On how many days in the last 3 months did you miss family, social, or leisure activities because of your headaches?”
Mean (SD)1.5 (3.94)1.1 (3.83)0.95
Median00
Min–max0–210–21
Total number of days from 5 questions
Mean (SD)7.8 (19.50)6.8 (19.03)0.98
Median00
Min–max0–1050–105
A. “On how many days in the last 3 months did you have a headache? (If a headache lasted more than 1 day, count each day.)”
Mean (SD)18.4 (25.73)17.7 (24.99)0.97
Median89
Min–max1–901–90
B. “On a scale of 0 to 10, on average how painful were these headaches? (where 0 = no pain at all, and 10 = pain as bad as it can be)”
Mean (SD)5.5 (2.15)5.6 (2.23)0.89
Median55
Min–max1–101–10
Grade I22 (71%)23 (71%)0.66
Grade II3 (10%)4 (13%)
Grade III2 (7%)4 (13%)
Grade IV4 (13%)1 (3%)

Factors predictive of migraine disability

Duration of migraine history, migraine characteristics, and comorbiditiesThai-version MIDAS grade
Bivariate analysis PMultivariate analysis P
Median duration of migraine history<0.0010.35
Having comorbidities0.30
In the past 3 months
Frequency of headache, median attack<0.001>0.99
Average pain duration per attack, median hours<0.0010.73
Average pain score, median NRS score<0.0010.007
In the past 2 months
Frequency of headache, median attack<0.0010.76
Average pain duration per attack, median hours<0.0010.95
Average pain score, median NRS score<0.0010.13
In the past 1 month
Frequency of headache, median attack<0.0010.33
Average pain duration per attack, median hours0.0010.14
Average pain score, median NRS score<0.0010.56
In the past 2 weeks
Frequency of headache, median attack0.23
Average pain duration per attack, median hours0.73
Average pain score, median NRS score<0.0010.86

Instruments specific for measuring headache-related disability

InstrumentPurposeDescriptionStrengthsLimitations
Disability
Pain Disability Index [7]Unspecified chronic painAbility to engage in 7 categories of life activitiesPreliminary validity
Henry Ford Hospital HDI [8]Nonspecific types of headacheAbility to complete daily life tasksGood construct validity, acceptable internal consistency, strong test–retest reliability
HImQ [9, 10]Migraine16-Item: pain intensity and lost time in work outside the home, in household work, and nonwork activitiesAcceptable internal consistency, strong test–retest correlationWeak to strong criterion validity, complexity in scoring
MIDAS Questionnaire [11, 12, 13]MigraineSimple 5-item self-administered type derived in part from and solving the practical limitation of the HImQ, capturing lost time from work for pay, housework, and nonwork activitiesModerate to strong criterion validity, acceptable internal consistency, strong to very strong test–retest reliability
HIT [14]Nonspecific types of headache6-Item on pain, social-role limitations, cognitive functioning, psychological distress, and vitalityGood discriminant validity, acceptable internal consistency, excellent test–retest reliability
IPDS [15]Chronic daily headache, medication overuse20-Item assessing beliefs regarding autonomy/disability in different situations of lifeModerate to strong convergent validity, acceptable internal consistencyNo reliability test
HADLI [16]Migraine, tension-type, cervicogenic headaches9-Item on specific activity of daily livingAcceptable internal consistencyFace validity, no reliability test
FAIM questionnaire [17]Migraine9 Mental functioning items measuring dimensions of attention/thought, perception, and relevant 5 items of a list of activities and participationGood convergent validity, acceptable internal consistencyNo reliability test
Disability and burden
BURMIG [18]Migraine77-Item of burden and disability obtained from MIDASAcceptable construct validity, acceptable internal consistency, strong reliability test
EUROLIGHT [19]Primary headache disorders103-Item of burden and disability revised from BURMIGAcceptable construct validity, excellent internal consistency, good reliability test
Burden
HARDSHIP questionnaire [20]Migraine and tension-type and medication overuse headacheBurden measurementEpidemiological validationNo clinical validation
HALT [21]All headache disordersGlobal burden measurement and for alleviation of the burden; direct and close derivative of MIDASEpidemiological validationNo clinical validation
MIBS [22]MigraineInterictal migraine-related burden measurement in 4 domains: work/school, family/social life, making plans/commitments, emotional/affective/cognitive distressGood validity, internal consistency and reliability test
Newer instrument for disability
MPFID [23]Migraine13-Item on daily physical functioningGood convergent validity, internal consistency, and reliability

Migraine characteristics in the eligible patients before completing their first Thai-version MIDAS Questionnaire

Migraine characteristicsPast 3 - monthsPast 2 - monthsPast monthPPP§
Frequency of headache, median attack (interquartile range)8 (14)6 (9)4 (7)
Mean frequency of headache per month, median attack (interquartile range)2.7 (4.7)3 (4.5)4 (7)0.340.210.79
Mean pain duration per attack, median hours (interquartile range)2 (2)2 (2)2 (3)0.220.18>0.99
Mean pain score, median NRS score (interquartile range)5 (3)5 (2)5 (5)0.750.390.39

Summary translation process, validity, internal consistency, and test–retest reliability of non-English MIDAS questionnaires

VersionForward translationBackward translationValidity correlation coefficientInternal consistency Cronbach αTest–retest reliability Spearman ρ
Italian [31]Two independentTwo different expertsNot mentioned0.70.54–0.77
Japanese [32]Not mentionedNot mentioned0.36–0.88Not mentioned0.59–0.83
Turkish 1 [33]Not mentionedNot mentioned0.47–0.630.73–0.870.68
Turkish 2 [34]A physicianA neurologist0.54–0.890.78–0.900.66–0.81
Taiwanese [35]Following standard technique, not detailedFollowing standard technique, not detailed0.34–0.370.790.48–0.73
Thai [27]Three; one professionalOne professional0.32–0.74Not mentioned0.58–0.82
Thai [28]Two; one neurologist, another native speakerOne fluent in EnglishNot tested0.950.36–0.94
Arabic [36]One professionalIndependent professional0.71–0.920.86, 0.960.97–0.99
Greek [37]Two bilingual speakersTwo bilingual speakersCorrelation with RAND-360.71, 0.820.41–0.81
German [38]Two bilingual independent different backgroundTwo bilingual independent different backgroundNot mentioned0.69, 0.670.88–0.99
Spanish [39]Two bilingual independent expertsTwo bilingual experts0.53, 0.340.790.63–0.90
Present studyBilingual neurologistAnother bilingual physician with blinding and independence0.45–0.570.980.89–0.98
MIDAS grade0.66§

Concurrent validity of the total number of days from 5 questions of the Thai-version MIDAS Questionnaire, and question A, question B, and migraine characteristics in the past 3 months

Migraine characteristics in the past 3 monthsTotal number of days from 5 questions of the Thai-version MIDAS Questionnaire
First occasion Spearman ρSecond occasion Spearman ρCombination of both occasions Spearman ρ
Total number of headache days (question A)–0.070.100.20
Average headache severity (question B)0.49*0.42*0.45*
Frequency of headache–0.070.100.20
Mean pain duration per attack0.58*0.56*0.57*
Mean pain score, NRS0.49*0.42*0.45*

Migraine characteristics before completing their first and their second Thai-version MIDAS Questionnaire

Migraine characteristicFirst questionnaireSecond questionnaireP
In the past 3 months (interquartile range)
Frequency of headache, median attack8 (14)9 (11)>0.99
Mean pain duration per attack, median hours2 (2)2 (2)0.34
Mean pain score, median NRS score5 (3)5 (4)0.58
In the past 2 months (interquartile range)
Frequency of headache, median attack6 (9)6 (9)0.55
Mean pain duration per attack, median hours2 (2)2 (2)>0.99
Mean pain score, median NRS score5 (2)5 (3)0.75
In the past 1 month (interquartile range)
Frequency of headache, median attack4 (7)4 (6)0.61
Mean pain duration per attack, median hours2 (3)2 (2)>0.99
Mean pain score, median NRS score5 (5)5 (4)0.77
In the past 2 weeks (interquartile range)
Frequency of headache, median attack1 (3)2 (4)0.22
Mean pain duration per attack, median hours1 (2)1 (2)>0.99
Mean pain score, median NRS score4 (1)5 (3)>0.99
eISSN:
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Langue:
Anglais
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Sujets de la revue:
Medicine, Assistive Professions, Nursing, Basic Medical Science, other, Clinical Medicine