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Table 2 Relation between increase in migraine frequency and increase in migraine severity with different variables (n = 1018)

From: Impact of coronavirus disease 2019 (COVID-19) pandemic on patients with migraine: a web-based survey study

Variables

Total

No.

Increase in migraine days

(n = 607)

Test of

Sig.

p-value

Increase in migraine severity

(n = 653)

Test of

Sig.

p-value

Age (years)

  < 20

38

22 (3.6%)

χ2 = 0.528

0.913

29 (4.5%)

χ2 = 3.192

0.363

 20–40

733

438 (72.2%)

469 (72.2%)

 40–60

235

141 (23.2%)

145 (22.3%)

  > 60

12

6 (1%)

7 (1.1%)

Gender

 Male

858

79 (13%)

χ2 = 8.288*

0.004*

82 (12.6%)

χ2 = 13.059*

< 0.001*

 Female

160

528 (87%)

568 (87.4%)

Occupation

 Not working

208

112 (18.5%)

χ2 = 8.702

0.069

124 (19.1%)

χ2 = 3.971

0.563

 Student

116

60 (9.9%)

73 (11.2%)

 Part time job

107

67 (11%)

69 (10.6%)

 Full time job

526

331 (54.5%)

347 (53.4%)

 Retired

61

37 (6.1%)

37 (5.7%)

Marital status

 Single

324

185 (30.5%)

χ2 = 6.315

0.163

204 (31.4%)

χ2 = 2.057

0.748

 Married

629

386 (63.6%)

403 (62.0%)

 Widow

4

4 (0.7%)

4 (0.6%)

 Divorced

55

30 (4.9%)

35 (5.4%)

 Other

6

2 (0.3%)

4 (0.6%)

Education

 High school

456

215 (47.1%)

χ2 = 5.413

0.179

248 (54.3%)

χ2 = 5.688

0.099

 Primary school or less

282

143 (50.7%)

136 (48.2%)

 University

280

161 (57.4%)

144 (51.4%)

Disease onset

 Mean ± SD.

 

8.4 ± 8.7

U = 114,845.0*

0.031*

8.5 ± 8.2

U = 107,303.50*

0.006*

 Median (Min. – Max.)

 

6 (1–46)

6 (1–46)

Difficulty in getting medications

256

179 (29.5%)

χ2 = 15.058*

< 0.001*

190 (29.2%)

χ2 = 15.928*

< 0.001*

Compliance to migraine treatment

 No

541

277 (45.6%)

χ2 = 34.045*

< 0.001*

305 (46.9%)

χ2 = 27.940*

< 0.001*

 Yes

477

330 (54.4%)

345 (53.1%)

Medication overuse

597

497 (81.9%)

χ2 = 334.634*

< 0.001*

504 (77.5%)

χ2 = 264.669*

< 0.001*

Communication with treating physician

 Did not contact the doctor for the duration of the pandemic

626

425 (70.0%)

χ2 = 66.015

< 0.001*

471 (72.1%)

χ2 = 110.693

< 0.001*

 Contacted treating physician

392

182 (30.0%)

182 (27.9%)

Sleep disturbance

794

535 (88.1%)

χ2 = 90.115*

< 0.001*

562 (86.5%)

χ2 = 75.083*

< 0.001*

Eating habits disturbance

593

418 (68.9%)

χ2 = 69.618*

< 0.001*

443 (68.2%)

χ2 = 72.501*

< 0.001*

Symptoms of anxiety and/or depression

809

523 (86.2%)

χ2 = 42.337*

< 0.001*

561 (86.3%)

χ2 = 52.838*

< 0.001*

Increase screen time exposure

905

545 (89.8%)

χ2 = 1.196

0.274

584 (89.8%)

χ2 = 1.632

0.201

Working during pandemic

465

295 (48.5%)

χ2 = 3.522*

0.042*

312 (48.0%)

χ2 = 3.908*

0.039*

Use of alternative/ traditional medicine

406

270 (44.5%)

χ2 = 13.263*

< 0.001*

283 (43.5%)

χ2 = 10.026*

0.002*

Lack of regular exercise

812

544 (66.9%)

χ2 = 12.263*

< 0.001*

498 (61.3%)

χ2=10.405*

< 0.001*

  1. χ2: Chi square test U: Mann Whitney test
  2. p: p value for association between different categories
  3. *: Statistically significant at p ≤ 0.05