Table 5 Symptom burden of headache yesterday and impaired participation yesterday at individual level, overall and by gender

Duration (hours) (mean±SEM; median)

8.7±0.6, 4.0

7.9± + 0.9; 3.0

9.2±0.7; 5.0

F(1, 273) = 1.3; p = 0.26

Intensity (n)

1 (mild): 11

6

5

X²(2, N = 353) = 1.1; p = 0.58

2 (moderate): 465

284

181

3 (severe): 102

63

39

mean*

2.2

2.2

What done yesterday (n)

Everything: 178

76

102

X²(3, N = 353) = 7.0; p = 0.07

More than half: 95

27

68

Less than half: 30

8

22

Nothing: 50

17

33

What done yesterday (dichotomized) (n)

Everything: 273

103

170

X²(1, N = 353) = 1.1; p = 0.18

Nothing: 80

25

55