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Table 1 Instruments used to inform the psychometric evaluation of the MDF-Fibro-17

From: Multidimensional daily diary of fatigue-fibromyalgia-17 items (MDF-fibro-17): part 2 psychometric evaluation in fibromyalgia patients

Measure

Concepts evaluated

Multi-dimensional Assessment of Fatigue (MAF) [42]

Global Fatigue Index: severity; distress; degree of interference in activities of daily living; timing (PRO)

Medical Outcomes Study 36 item Short-Form Health Survey Version 2 (SF-36) [43]

HRQoL: Physical function; Role limitations – physical; Social functioning; Bodily pain; Mental health; role limitation – emotional; Vitality; General health perception (PRO)

Fibromyalgia Impact Questionnaire (FIQ) [44, 45]

Health status in FM: physical functioning; work status; depression; anxiety; morning tiredness; pain; stiffness; fatigue; well-being (PRO)

Pain Intensity NRS

Pain: 0-10 NRS from “no pain” to “unbearable/worst possible pain” (PRO)

Patient Global Impression of Change (PGI-C)

Change: 7-point categorical scale rating change from the start of study from “very much worse” to “very much improved” (PRO)

Hospital Anxiety and Depression Scale (HADS) [46]

Mood: Anxiety; Depression (PRO)

Arizona Sexual Experiences Scale (ASEX) [47]

Sexual Dysfunction (PRO)

Barkley Deficits in Executive Functioning Scale-short form (BDEFS-SF) [48];

Cognitive function: executive functioning (PRO)

Multiple Ability Self-Report Questionnaire (MASQ) [49]

Cognitive function: language; visuo-perceptual; verbal memory; visual memory; attention (PRO)

Paced Auditory Serial Addition Test (PASAT) [50]

Cognitive function: auditory information processing speed and flexibility; calculation ability (administered by trained examiner)

Auditory Consonant Trigram (ACT) [51]

Working memory (administered by a trained examiner)