Undifferentiated headache: broadening the approach to headache in children and adolescents, with supporting evidence from a nationwide school-based cross-sectional survey in Turkey

Table 3 Burden of undifferentiated headache, migraine and tension-type headache (preceding 4 weeks)

Burden measure	Undifferentiated headache		Migraine^a		Tension-type headache^a		Undifferentiated headache vs migraine^a		Undifferentiated headache vs tension-type headache^a
	N = 2066		N = 1888		N = 911		OR [95% CI]	p ^b	OR [95% CI]	p ^b
	n	%	n	%	n	%	OR [95% CI]	p ^b	OR [95% CI]	p ^b
School absence	2046		1866		900
No	1792	87.6	1439	76.2	753	83.7	reference		reference
≥ 1 day	254	12.4	427	23.8	147	16.3	0.48 [0.40–0.57]	< 0.001	0.73 [0.59–0.91]	0.004
School left early	1997		1818		884
No	1819	91.1	1479	81.4	766	86.7	reference		reference
≥ 1 day	17	8.9	339	18.6	118	13.3	0.43 [0.35–0.52]	< 0.001	0.64 [0.50–0.81]	< 0.001
Impact on activity	2015		1800		887
No	1261	62.6	582	32.3	459	51.7	reference		reference
≥ 1 day	754	37.4	1218	67.7	428	48.3	0.29 [0.25–0.33]	< 0.001	0.64 [0.55–0.75]	< 0.001
Parent took work leave	2044		1880		902
No	1906	93.2	1607	85.5	832	92.2	reference		reference
≥ 1 Day	138	6.8	273	14.5	70	7.8	0.43 [0.34–0.53]	< 0.001	0.86 [0.64–1.2]	0.3

ISSN: 1129-2377