Migraine Disability Assessment Questionnaire [MIDAS]

Description

The Migraine Disability Assessment Questionnaire (MIDAS) is an assessment instrument used to measure the disability and functional burden caused by migraine in an individual’s daily life. It examines the extent to which migraine attacks affect key areas of functioning, including work or studies, household responsibilities, and social or recreational activities.

The use of MIDAS enables the quantitative assessment of migraine-related burden and provides a concise overview of the limitations that the condition may impose on everyday functioning. In this way, it can contribute both to clinical assessment and to monitoring the patient’s course over time.

Data Analysis and Use

The analysis of MIDAS data is based on assessing the degree of disability reported by the individual across different areas of daily activity. A higher overall score indicates a greater level of functional impairment associated with migraine.

The data may be analyzed using descriptive statistical methods, such as the mean and standard deviation, in order to characterize the overall level of disability within a sample. In addition, correlations may be examined between MIDAS scores and factors such as age, gender, and migraine frequency. Comparisons between different population or clinical groups may also be conducted to investigate potential differences in migraine-related disability.

At the research level, MIDAS can be used to examine the relationship between migraine and quality of life, occupational functioning, social participation, and other health-related indicators.

Objective

The primary objective of MIDAS is to provide a systematic and objective assessment of the disability caused by migraine. By documenting the impact of migraine attacks on daily activities, the instrument helps healthcare professionals better understand the patient’s functional burden and develop appropriate management and intervention strategies.

Repeated administration may also help monitor changes in disability over time and assess the effectiveness of therapeutic or other interventions.

Calibration

The calibration of MIDAS includes the evaluation of the instrument’s reliability and validity, as well as its adaptation to different populations and cultural contexts. The original document refers to the use of internal consistency measures, such as Cronbach’s alpha, together with validity testing to determine whether the instrument adequately reflects patients’ actual experiences of migraine-related disability.

Psychometric evaluation is particularly important when the questionnaire is used in different languages or cultural settings, as it helps ensure that the measurement remains consistent, reliable, and appropriate for the population being assessed.

References

Stewart, W. F., et al. (2001). Migraine Disability Assessment (MIDAS) Questionnaire: A validated tool for assessing migraine-related disability. Headache, 41(3), 246–257.

Bigal, M. E., & Lipton, R. B. (2006). The burden of migraine in the United States: A population-based study. Headache, 46(9), 1250–1258.

Buse, D. C., et al. (2012). Migraine and the burden of disease: A review of the literature. Headache, 52(5), 833–840.