Correlation between anxiety scores and academic performance among adolescent schoolchildren in Northern Sudan: A cross-sectional study

Table 1 General characteristics of the studied adolescent schoolchildren in Northern Sudan, 2022 (n = 328)

Variable		Median	Interquartile range
Age in years		14.9	13.9–15.9
Body mass index for age Z-score		-0.65	-1.68 to 0.36
Academic performance (%)		27.6	22.2–48.1
Anxiety score (range = 0-21)		0	0-3
		Frequency	%
Gender	Male	156	47.6
	Female	172	52.4
Mother’s education level	≥ Secondary	207	63.1
	< Secondary	121	36.9
Father’s education level	≥ Secondary	212	64.6
	< Secondary	116	35.4
Mother’s occupation	Employed	32	9.8
	Housewife	296	90.2
Father’s occupation	Employed	139	42.4
	Laborer	189	57.6
Cigarette smoking	No	318	96.9
	Yes	10	3.1
Family history of mental disorders	No	297	90.5
	Yes	31	9.5