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Table 1 Characters and burden of primary headache among school children with primary headache disorders (No = 466)

From: Impact of primary headache disorder on quality of life among school students in Kuwait

Variables Total school students with primary headache
n = 466
m ± SD/No (%) [CI 95%]
Primary school students with primary headache
n = 128
m ± SD/No (%) [CI 95%]
Middle school students with primary headache
n = 338
m ± SD/No (%) [CI 95%]
Gender:
• Male 145 (31.12%) [27.08–35.46] 23 (17.97%) [12.22–25.59] 216 (63.91%) [58.65–68.85]
• Female 321 (68.88%) [64.54–72.92] 105 (82.03%) [74.41–87.78] 122 (36.09%) [31.15–41.35]
Mean Age in years 11.98 ± 2.03 9.22 ± 0.99 13.03 ± 1.16
Range 7–17 7–12 11–17
Number of headache days in the last four weeks 6.24 ± 5.18 5.28 ± 4.82 6.58 ± 5.27
Duration of attacks in hours in the last four weeks 9.12 ± 2.51 8.82 ± 2.16 9.32 ± 3.11
Number of analgesic days in the last four weeks 3.26 ± 4.20 3.03 ± 3.45 3.35 ± 4.45
Severity of headache
• Not bad 108 (23.18%) [19.57–27.22] 27 (21.09%) [14.87–29.00] 81 (23.96%) [19.71–28.80]
• Quite bad 277(59.44%) [54.92–63.81] 85 (86.94%) [84.68–88.91] 192 (65.80%) [51.48–61.98]
• Very bad 81 (17.38%) [14.20–21.10] 16 (12.50%) [7.74–19.44] 65 (19.23%) [15.37–23.78]
Impact of primary headache over last 4 weeks before the survey
• Mean lost school days 1.99 ± 2.015 2.26 ± 0.20 1.92 ± 0.11
• Mean days of leave school early 0.77 ± 1.69 1.38 ± 0.12 1.79 ± 0.10
• Mean days could you not do things because of headache 2.84 ± 4.28 2.42 ± 0.22 4.78 ± 0.27
• Mean lost days of parents work because of student headache 2.00 ± 2.03 1.54 ± 1.00 2.15 ± 2.25
  1. m mean, SD standard deviation, CI 95% confidence interval 95%
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