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

Table 3 Univariate and multivariate linear analysis of the factors associated with academic performance among schoolchildren in Northern Sudan, 2022 (n = 328)

Variables		Univariate linear analysis		Multivariate linear analysis
		Coefficient (standard error)	P value	Coefficient (standard error)	P value
Age (years)		4.42 (0.62)	< 0.001	3.76 (0.62)	< 0.001
Body mass index for age Z-score		2.50 (0.70)	< 0.001	1.97 (0.64)	0.002
Anxiety score		1.19 (0.31)	< 0.001	0.60 (0.29)	< 0.001
Sex	Male	Reference		Reference
	Female	6.8 (2.06)	0.001	3.6 (1.9)	0.057
Mother’s education	≥ Secondary	Reference
	< Secondary	-1.13 (2.35)	0.603
Mother’s occupation	Housewife	Reference		Reference
	Employed	11.38 (3.47)	0.001	10.26 (3.15)	0.001
Father’s education	≥ Secondary	Reference		Reference
	< Secondary	-5.7 (2.17)	0.08	-4.78 (1.9)	0.057
Father’s occupation	Laborer	Reference
	Farmer	-1.33 (2.11)	0.528