56 Chapter 2 eTable 3. Overview of the psychometric properties of different E-diaries.8, 12-14 Population Intervention No. Items Property Statistics BandarianBalooch, 2017 N= 181 Sex 81% female Mean age 27 years E-diary 7 Reliability Test-retest r ranged from 0.73 to 0.79 Construct validity (convergent validity) Quality of life (SF-36) r ranged from -0.35 to -0.49 Disability caused by HA (HDI) r ranged from 0.46 to 0.65 Divergent validity: Depression, anxiety, and stress (DASS 21) r ranged from: 0.10 to 0.25 Roesch, 2020 N= 102 Sex 89% female Average age 32 years E-diary (M-sense) NA Reliability Level of agreement between neurologist and algorithm for migraine without aura Κ: 0.742 (0.63 to 0.86) Agreement between neurologist and algorithm for migraine with aura (MA) Κ: 0.58 (CI: n.r.) Huguet, 2015 N= 65 Sex 86% female Age range 16-28 years Headache diagnosis 70% migraine- like headache myWHI diary 7 Validity (convergent validity) Duration [Recall of number of HA episodes in past 14 days] rs: 0.630 Unpleasantness [Recall of worst pain intensity on a NRS-11] rs: 0.809 Sleep quality [PROMIS Sleep Disturbance] rs: -0.264 Overall mood [MHI-5] rs: 0.652 Headache impact [PROMIS Pain Interference] rs: 0.693 Reliability (internal consistency) Between subjects reliability MIDAS ranged between 0.51 and 0.98 RIF = 0.66 RKF = 0.98 Variability Between subjects at different days Variance ranged between 23.74 (duration) and 79.21 (amount of sleep) Between subjects (across all days) Variance ranged between 20.64 (amount of sleep) and 75.60 (duration)
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