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Table 1 Descriptive statistics of the study sample by group

From: Efficacy of mindfulness added to treatment as usual in patients with chronic migraine and medication overuse headache: a phase-III single-blind randomized-controlled trial (the MIND-CM study)

  

TaU Group

(N = 89)

TaU + MIND Group

(N = 88)

Total

(N = 177)

p-value

Age

Median (Q1, Q3)

49.5 (40.1, 54.0)

46.4 (40.3, 55.1)

47.9 (40.1, 54.2)

0.435

Sex

Males

11 (12.4%)

9 (10.2%)

19 (10.7%)

0.813

Females

78 (87.6)

79 (89.8%)

158 (89.3%)

Marital Status

Never Married

13 (14.6%)

22 (25.0%)

35 (19.8%)

0.064

Married/Cohabitating

66 (74.2%)

50 (56.8%)

116 (65.5%)

Separated/Divorced

7 (7.9%)

14 (15.9%)

21 (11.9%)

Widowed

3 (3.4%)

2 (2.3%)

5 (2.8%)

Years of formal Education

Median (Q1, Q3)

13.0 (13.0, 17.0)

13.0 (13.0, 17.0)

13.0 (13.0, 17.0)

0.316

Education Level

Primary School

1 (1.1%)

0 (0.0%)

1 (0.6%)

0.753

Secondary School

20 (22.5%)

17 (19.3%)

37 (20.9%)

High School

43 (48.3%)

40 (45.5%)

83 (46.9%)

Any College

20 (22.5%)

23 (26.1%)

42 (24.3%)

Post-Lauream degree

5 (5.6%)

8 (9.1%)

13 (7.3%)

Employment status

Employee

47 (52.8%)

48 (54.5%)

95 (53.7%)

0.967

Employer/Manager

6 (6.7%)

6 (6.8%)

12 (6.8%)

Private practitioner

7 (7.9%)

9 (10.2%)

16 (9.0%)

Other (incl.student)

9 (10.1%)

7 (8.0%)

16 (9.0%)

Not employed

20 (22.5%)

18 (20.5%)

38 (21.5%)

Years of Work

Median (Q1, Q3)

24.0 (17.0, 30.0)

23.5 (15.0, 31.0)

24.0 (15.0, 30.0)

0.833

Weekly Worked Hours

Median (Q1, Q3)

40.0 (36.0, 48.0)

40.0 (30.0, 43.0)

40.0 (34.0, 45.0)

0.113

Company Size

Micro

20 (29.0%)

23 (32.9%)

43 (30.9%)

0.800

Small

8 (11.6%)

11 (15.7%)

19 (13.7%)

Medium

13 (18.8%)

11 (15.7%)

24 (17.3%)

Large

28 (40.6%)

25 (35.7%)

53 (38.1%)

Migraine Duration (years)

Median (Q1, Q3)

28.0 (20.3, 39.5)

28.6 (16.2, 35.7)

28.5 (18.6, 37.4)

0.238

CM Duration (years)

Median (Q1, Q3)

14.9 (4.5, 24.4)

14.0 (5.6, 20.7)

14.6 (4.9, 22.2)

0.651

Headache days/last three months

Median (Q1, Q3)

60.0 (50.0, 75.0)

65.0 (54.0, 80.0)

60.0 (50.0, 80.0)

0.250

Previous Withdrawals

No. of patients (%)

21 (23.6%)

30 (34.1%)

51 (28.8%)

0.138

No. of Previous Withdrawal

1

12 (57.2%)

16 (53.4%)

28 (54.9%)

0.570

2

2 (9.5%)

7 (23.3%)

9 (17.6%)

3

5 (23.8%)

5 (16.7%)

10 (19.6%)

4

2 (9.5%)

1 (3.3%)

3 (5.9%)

7

0 (0.0%)

1 (3.3%)

1 (2.0%)

  1. Notes. Mann-Whitney U test for quantitative data; Fisher’s exact test for categorical variables. Company size: Micro 1–9, Small 10–49, Medium 50–249, and Large 250 + employees