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Table 1 Demographic and Clinical Characteristics of Study Participants

From: Global assessment of migraine severity measure: preliminary evidence of construct validity

Characteristics Total Sample Episodic (N = 163) Chronic (N = 100) P-values
Age in years (mean, SD) 42.5(13.2) 43.2 (12.1) 41.3 (14.8) 0.12
Gender (n, %)     0.75
Male 51(20.6%) 33 (20.3) 18 (18.0)  
Female 212(79.4%) 130 (79.8) 82 (82.0)  
Marital Status (n, %)     0.18
Married/Common Law 179(68.1%) 116 (71.2) 63 (63.0)  
Single/Widowed/Separated/Divorced 84(31.9%) 47 (28.8) 37 (37.0)  
Employment Status (n, %employed) 167(65.8%) 117 (71.8) 50 (50.0) < 0.01
Education (n, %, Bachelors) 156(59.3%) 94 (57.5) 62 (62.0) 0.52
Medication Side Effects (Yes, n, %) 125(47.5%) 72 (44.2) 53 (53.0) 0.20
Migraine subtype (n, %aura) 169 (64.3%) 106 (65.0) 63 (63.0) 0.79
Use of Psychotropic Medication (n, %) 96(36.5%) 40(40.0%) 56(34.65) 0.43
MIDAS (n, %)     < 0.01
No/ Little 48(18.3%) 33 (20.3) 15 (15.0)  
Mild 25(9.5%) 19 (11.7) 6 (6.0)  
Moderate 44(16.7%) 35 (21.5) 9 (9.0)  
Severe 146(55.5%) 76 (46.6) 70 (70.0)  
GAMS (n, %)     < 0.01
Not at all severe 31(11.8%) 26 (16.0) 5 (5.0)  
A little severe 30(11.4%) 25 (15.3) 5 (5.0)  
Somewhat severe 29(11.0%) 21 (12.9) 8 (8.0)  
Moderately severe 70(26.6%) 44 (27.0) 26 (26.0)  
Quite severe 52(19.8%) 30 (18.4) 22 (22.0)  
Very severe 43(16.3%) 16 (9.8) 27 (27.0)  
Extremely severe 8(3.0%) 1 (0.6) 7 (7.0)  
HADS-Anxiety (mean, SD) 7.6 (4.4) 7.2 (4.3) 8.2 (4.5) 0.07
HADS-Depression (mean, SD) 5.3 (4.1) 4.6 (4.0) 6.4 (4.2) < 0.01
PHQ9 (mean, SD) 7.9 (6.1) 7.0 (5.9) 9.3 (6.2) < 0.01
  1. SD Standard deviation, MIDAS Migraine disability assessment scale, HADS Hospital Anxiety and Depression Scale, GAMS Global Assessment of Migraine Severity, P-values were based on Fisher exact tests and Wilcoxon-Mann-Whitney tests for categorical and continuous variables, respectively