Chronic undernutrition (stunting) is detrimental to academic performance among primary schools of adolescent children: a randomized cross sectional survey in Southern Ethiopia

Table 3 Predictors of academic performance of grade at primary schools of Meskan District 2016

Variables	Univariate linear regression				Multivariable linear regression
Variables	β	95% CI		p-value	β	95% CI		p-value
Age in years	0.070	− 0.206	1.145	0.173
Sex	0.054	− 0.795	2.638	0.292
Place of residence	− 0.262	− 6.775	− 3.088	0.000	− 0.119	− 3.541	− 0.927	0.001
Household size	0.076	− 0.108	0.761	0.141
HH wealth index score	0.068	− 0.283	1.427	0.189
Iodized salt Level	0.060	− 0.274	1.061	0.247
Dietary diversity score	0.130	0.135	1.055	0.011	0.025	− 0.196	0.422	0.473
Food frequency	− 0.041	− 0.240	0.102	0.428
Class rank	− 0.738	− 0.419	− 0.348	0.000	− 0.820	− 0.470	− 0.381	0.000
Grade repetition	0.349	6.805	11.909	0.000	− 0.236	− 8.977	− 3.699	0.000
Absenteeism (class)	− 0.245	− 1.728	− 0.739	0.000	− 0.111	− 0.975	− 0.138	0.009
Height in cm	0.045	− 0.053	0.137	0.388
Stunting (HAZ)	0.004	− 0.712	0.769	0.940	− 0.055	− 0.892	0.094	0.112

ISSN: 1756-0500