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Table 3 Proportions of participants with headache reporting interictal burden, by headache type and gender

From: Interictal burden attributable to episodic headache: findings from the Eurolight project

Headache type

Gender

N

Interictal anxiety

Interictal avoidance

Not free of all symptoms

Mean time in interictal state

n (%) [95 % CI]

n (%) [95 % CI]

n (%) [95 % CI]

days/year (mean ± SE)

All

Female

4011

344 (8.6) [7.7–9.5]

441 (11.0) [10.0–12.0]

902 (22.5) [21.2–23.8]

316 ± 1

Male

2444

157 (6.4) [5.4–7.4]

227 (9.3) [8.1–10.5]

575 (23.5) [21.8–25.2]

All

6455

501 (7.8) [7.1–8.5]

668 (10.3) [9.6–11.0]

1478 (22.9) [21.9–23.9]

Migraine

Female

2042

224 (11.0) [9.6–12.4]

302 (14.8) [13.3–16.3]

522 (25.6) [23.7–27.5]

317 ± 1

Male

917

91 (9.9) [8.0–11.8]

135 (14.7) [12.4–17.0]

248 (27.0) [24.1–29.9]

All

2959

315 (10.6) [9.5–11.7]

437 (14.8) [13.5–16.1]

770 (26.0) [24.4–27.6]

Tension–type headache

Female

1657

51 (3.1) [2.3–3.9]

70 (4.2) [3.2–5.2]

283 (17.1) [15.3–18.9]

331 ± 1

Male

1376

42 (3.1) [2.2–4.0]

72 (5.2) [4.0–6.4]

289 (21.0) [18.8–23.2]

All

3033

93 (3.1) [2.5–3.7]

142 (4.7) [3.9–5.5]

572 (18.9) [17.5–20.3]

Probable medication–overuse headache

Female

188

53 (28.2) [21.8–34.6]

58 (30.9) [24.3–37.5]

76 (40.4) [33.4–47.4]

120 ± 4

Male

61

19 (31.1) [19.5–42.7]

15 (24.6) [13.8–35.4]

25 (41.0) [28.7–53.3]

All

249

72 (28.9) [23.3–34.5]

73 (29.3) [23.6–35.0]

101 (40.6) [34.5–46.7]