Skip to main content

Table 1 Characteristics of the study population

From: Prevalence of restless legs syndrome in migraine patients with and without aura: a cross-sectional, case-controlled study

Variable

No migraine controls

(N = 133)

Episodic migraine groups

p value§

1–8 days

(N = 224)

9–14 days

(N = 91)

≥15 days

(N = 57)

Aura

-

71 (31.7)

23 (25.3)

17 (29.8)

0.526

Female gender

89 (66.9)

150 (67.0)

64 (70.3)

39 (68.4)

0.666

Age (years)

35.4 ± 12.6

33.1 ± 10.2

33.5 ± 10.3

32.7 ± 12.4

0.165

Body mass index (kg/m2)

23.2 ± 4.0

22.0 ± 3.4

22.5 ± 4.0

22.4 ± 4.0

0.319

Education level (years)

14.6 ± 2.5

14.6 ± 2.6

14.5 ± 2.5

14.2 ± 2.9

0.315

Smoking status

    

0.001

 Never

130 (97.7)

171 (76.3)

71 (78.0)

46 (80.7)

 

 Current or Former

3 (2.3)

53 (23.7)

20 (22.0)

11 (19.3)

 

Alcohol consumption

    

0.098

 Never

106 (79.7)

133 (59.4)

62 (68.1)

38 (66.7)

 

 Current or Former

27 (20.3)

91 (40.6)

29 (31.9)

19 (33.3)

 

Coffee consumption

    

0.005

 Never

53 (39.8)

52 (23.2)

24 (26.4)

10 (17.5)

 

 Less than once a month

39 (29.3)

43 (19.2)

23 (25.3)

21 (36.8)

 

 At least 1 day a week

41 (30.8)

129 (57.6)

44 (48.4)

26 (45.6)

 

MIDAS

-

24.5 ± 19.3

37.6 ± 25.5

68.8 ± 58.1

<0.001

HADS–anxiety

6.0 ± 3.6

7.7 ± 3.9

8.3 ± 4.1

8.9 ± 4.6

<0.001

HADS–depression

4.6 ± 3.0

5.3 ± 3.9

6.6 ± 3.9

7.2 ± 4.6

<0.001

PSQI total score

7.4 ± 3.0

8.4 ± 3.5

10.0 ± 3.5

9.8 ± 4.4

<0.001

  1. §Linear trend Cochran–Armitage chi-square test for categorical variables; linear contrast of univariate linear regression for continuous variables