Table 1 Symptom burden, time in ictal state and lost health by headache type and gender

Frequency (days/month)

 Any headache

6.7 ± 0.2, 2.0

5.4 ± 0.3, 2.0

7.6 ± 0.3, 3.0

F(1, 2,386) = 34.0, p < 0.001

 pMOH

27.6 ± 0.4, 30.0

27.4 ± 0.7, 30.0

27.7 ± 0.4, 30.0

F(1, 198) = 0.2, p = 0.69

 Other H15 + 

23.2 ± 0.6, 30.0

23.1 ± 1.0, 30.0

23.2 ± 0.7, 30.0

F(1, 206) = 0.0, p = 0.88

 Migraine

2.8 ± 0.1, 2.0

2.6 ± 0.1, 2.0

3.0 ± 0.1, 2.0

F(1, 584) = 4.4, p = 0.04

 TTH

2.8 ± 0.1, 2.0

2.7 ± 0.1, 2.0

2.9 ± 0.1, 2.0

F(1, 1,361) = 1.0, p = 0.33

Duration (hours)

 Any headache

13.0 ± 0.5, 3.0

11.9 ± 0.8, 2.0

13.9 ± 0.7, 3.0

F(1, 2,305) = 3.4, p = 0.06

 pMOH

13.7 ± 0.8, 24.0

12.9 ± 1.5, 15.0

13.9 ± 0.9, 24.0

F(1, 197) = 0.3, p = 0.57

 Other H15 + 

9.7 ± 0.7, 4.0

9.2 ± 1.2, 3.0

9.9 ± 0.9, 4.0

F(1, 204) = 0.3, p = 0.62

 Migraine

19.5 ± 1.2, 4.0

17.6 ± 1.9, 4.0

20.7 ± 1.6, 5.0

F(1, 572) = 1.5, p = 0.22

 TTH

10.5 ± 0.7, 2.0

10.3 ± 0.9, 2.0

10.7 ± 1.0, 2.0

F(1, 1317) = 0.1, p = 0.77

Intensity (not bad, quite bad, very bad [n]; means calculated by equating to 1, 2, 3 and treating as though continuous data)

 Any headache

35; 1,487; 802 (mean = 2.3)

16; 685; 316 (mean = 2.3)

19; 802; 486 (mean = 2.4)

X²(2, N = 2,324) = 9.5, p = 0.009

 pMOH

1; 98; 98 (mean = 2.5)

0; 26; 29 (mean = 2.5)

1; 72; 69 (mean = 2.5)

X²(2, N = 197) = 0.6, p = 0.73

 Other H15 + 

1; 85; 111 (mean = 2.6)

1; 31; 37 (mean = 2.5)

0; 54; 74 (mean = 2.6)

X²(2, N = 197) = 2.1, p = 0.36

 Migraine

5; 255; 323 (mean = 2.6)

2; 99; 121 (mean = 2.5)

3; 156; 202 (mean = 2.6)

X²(2, N = 583) = 0.1, p = 0.94

 TTH

28; 1,045; 265 (mean = 2.2)

13; 526; 128 (mean = 2.2)

15; 519; 137 (mean = 2.2)

X²(2, N = 1,338) = 0.5, p = 0.79

Proportion of time in ictal state (%)

 Any headache

9.8 ± 0.5, 0.8

6.8 ± 0.6, 0.8

12.1 ± 0.7, 1.1

F(1, 2,304) = 29.7, p < 0.001

 pMOH

52.4 ± 3.1, 50.0

49.1 ± 6.0, 35.4

53.7 ± 3.7, 63.3

F(1, 197) = 0.4, p = 0.51

 Other H15 + 

31.0 ± 2.5, 11.7

27.9 ± 4.1, 8.3

32.6 ± 3.1, 12.5

F(1, 204) = 0.8, p = 0.38

 Migraine

4.6 ± 0.3, 1.1

3.9 ± 0.4, 0.8

5.1 ± 0.4, 1.3

F(1, 572) = 3.9, p = 0.047

 TTH

2.3 ± 0.1, 0.5

1.9 ± 0.2, 0.5

2.7 ± 0.3, 0.4

F(1, 1,316) = 6.5, p = 0.01

Lost health^a (%)

 pMOH

11.7 ± 0.7,11.2

10.9 ± 1.3, 7.9

12.0 ± 0.8, 14.1

F(1, 197) = 0.4, p = 0.51

 Migraine

2.0 ± 0.1, 0.5

1.7 ± 0.2, 0.4

2.2 ± 0.2, 0.6

F(1, 572) = 3.9, p = 0.047

 TTH

0.1 ± 0.0, 0.0

0.1 ± 0.0, 0.0

0.1 ± 0.0, 0.0

F(1, 1,316) = 6.5, p = 0.01