Table 1 Demographic and clinical characteristics of both the total population and the subpopulation with migraine, and estimated prevalence rates

Sex

Male

18,861 (48.4)

1,545 (30.2)

8.2 (7.8–8.6)

Female

20,148 (51.7)

3,571 (69.8)

17.7 (17.2–18.3)

Age

18–29

5,510 (14.1)

950 (18.6)

17.2 (16.2–18.2)

30–39

5,684 (14.6)

917 (17.9)

16.1 (15.2–17.1)

40–49

8,085 (20.7)

1,300 (25.4)

16.1 (15.3–16.9)

50–59

8,164 (20.9)

1,005 (19.6)

12.3 (11.6–13)

60 or more

11,567 (29.7)

945 (18.5)

8.2 (7.7–8.7)

Marital status

Single/not living with partner

14,013 (35.9)

1,710 (33.4)

12.2 (11.7–12.7)

Married/living with partner

24,928 (63.9)

3,406 (66.6)

13.7 (13.2–14.1)

Decline to answer

68 (0.2)

-

-

University education

Less than University education

24,405 (62.6)

3,312 (64.7)

13.6 (13.1–14)

University education or higher

14,491 (37.2)

1,800 (35.2)

12.4 (11.9–13)

Decline to answer

113 (0.3)

5 (0.1)

4.4 (0.6–8.2)

Annual household income

Below median income

10,740 (27.5)

1,583 (31)

14.7 (14.1–15.4)

Median income

9,240 (23.7)

1,274 (24.9)

13.8 (13.1–14.5)

Above median income

16,569 (42.5)

2,035 (39.8)

12.3 (11.8–12.8)

Decline to answer

2,459 (6.3)

224 (4.4)

9.1 (8-10.2)

Employed (FT/PT/SE)

Yes

22,317 (57.2)

3,218 (62.9)

14.4 (14-14.9)

No

15,991 (41)

1,764 (34.5)

11 (10.5–11.5)

Disabled

701 (1.8)

135 (2.6)

19.3 (16.3–22.2)

Charlson comorbidity index

0

28,933 (74.2)

3,454 (67.5)

11.9 (11.6–12.3)

1

5,710 (14.6)

910 (17.8)

15.9 (15-16.9)

2

2,672 (6.9)

425 (8.3)

15.9 (14.5–17.3)

3

987 (2.5)

200 (3.9)

20.3 (17.8–22.8)

4 or more

707 (1.8)

128 (2.5)

18.1 (15.3–20.9)