Table 2.
Number and percentage of participants reporting various primary headache characteristics
| N (%) | |
|---|---|
| Total (5038) | 519(10.30) |
| Headache characteristic | |
| Pulsating | 66(12.72) |
| Aching | 69(13.29) |
| Distending pain and tightening | 270(52.02) |
| Others | 114(21.97) |
| Attack duration | |
| < 30 min | 64(12.33) |
| 30 min to 4 h(≥30 min and <4 h) | 142(27.36) |
| 4–72 h (≥4 h and <72 h) | 43(8.29) |
| ≥ 72 h | 48(9.25) |
| Undetermined | 222(42.77) |
| Associated symptoms | |
| Nausea and/or vomiting | 84(16.18) |
| Phonophobia and/or photophobia | 165 (31.80) |
| Lacrimation/conjunctival injection | 3(0.58) |
| Not reported | 267(51.44) |
| Headache days | |
| Occasional (<1 day/month) | 216(41.62) |
| Episodic (>1 day/month& < 15 days/month) | 112 (21.58) |
| Chronic (≥15 days/month) | 94(18.11) |
| Attack everyday | 97(18.70) |
| Headache aggravated by physical activity | |
| Yes | 104(20.10) |
| No | 415(79.90) |
| Effect on daily life | |
| Daily life was normal | 267(51.45) |
| Part of daily life was affected | 201(38.72) |
| Could not do anything | 51(9.83) |
| Number of kinds of headache | |
| One kind | 366(70.52) |
| Two kinds or more | 54(10.40) |
| Indeterminate | 99(19.08) |
| Location of headache | |
| Unilateral | 254(48.95) |
| Bilateral | 181(34.87) |
| Indeterminate | 84(16.18) |
| Similar attack in family history | |
| Yes | 61(11.75) |
| No | 369(71.10) |
| Indeterminate | 89(17.15) |
| VAS score | |
| 1–3(≥1& ≤ 3) | 313(60.30) |
| 4–6(≥4& ≤ 6) | 158(30.44) |
| ≥ 7 | 48(9.26) |