Table 3.

Demographic information of studies in the age range of schoolchildren

first author	year	study type	setting	diagnostic criteria	range of age	mean age (SD)	Number of participants	Number of participants with migraine	Boy	Boy with migraine	Girl	Girl with migraine
Abdollahpour, Ibrahim [24]	2013	cross-sectional	Boukan	ICHD1	14–19	16.1(1.13)	857	41	389	22	468	19
Ayatollahi, SMT1 [25]	2002	cross sectional	Shiraz	ICHD1	11_18	NR	1868	114	NR	NR	1868	114
Ayatollahi, SMT2 [10]	2006	cross-sectional	Shiraz	ICHD1	6–13	NR	2226	38	1171	16	1055	22
Bahrami, parviz1 [26]	2006	cross-sectional	Khoramabad	NR1	NR	NR	2213	664	NR	NR	NR	NR
Fallahzadeh, H. [27]	2011	cross sectional	Yazd	ICHD1	12_15	13.3(0.98)	930	114	469	73	461	41
Ghayeghran, AR [28]	2004	cross sectional	Rasht	ICHD1	NR	15.37(1.11)	1965	174	1075	68	890	106
Gholam-reza Mirzaei, mahmood [29]	2004	cross sectional	Shahre kord	ICHD1	14–19	16.41(1.22)	550	73	NR	NR	550	73
Khazaie, T1 [30]	2011	cross sectional	Birjand	ICHD1	NR	15.81(1.02)	723	50	317	24	406	26
Khazaie, T2 [31]	2014	cross sectional	Birjand	ICHD2	7_11	9(1.41)	1107	40	556	21	551	19
Moaiedi, AR [11]	2004	Cross sectional	Bandar Abbas	ICHD2	5_16	9.72	104	38	NR	NR	NR	NR
Rabiee, B. [20]	2016	Cross sectional	Tehran	ICHD2	12–19	NR	213	41	NR	NR	NR	NR
Shahbeigi, S [21]	2013	Cross sectional	Tehran	ICHD2	10–15	NR	34	3	NR	NR	NR	NR
Togha, M. [32]	2022	cross sectional	13 provience in Iran	ICHD3	6_17	12.3(3.2)	3244	910	1531	419	1713	492
Yaghini, Omid [33]	2011	cross sectional	Isfahan	ICHD2	11_18	14.39	4096	791	2048	237	2048	554

SD: Standard deviation, ICHD: International Classification of Headache Disorders, NR: Not Reported,

1: diagnostic criteria are not mentioned in these studies