Table 3.

Univariate regression for the three cognitive tests (Atlantis, Grover and Hand Movement) for KZN children 6–8 years, F and P-values

Source	Cognitive test
	Atlantis		Grover		Hand Movement
	F	P-value	F	P-value	F	P-value
Corrected model	1195.641	< 0.05	788.814	< 0.05	1191.694	< 0.05
Intercept	1977.355	< 0.05	967.533	< 0.05	1855.229	< 0.05
Site	8.248	< 0.05	7.888	< 0.05	8.211	< 0.05
Sex	0.021	0.886	0.011	0.918	0.033	0.855
Pre-school education	237.942	< 0.05	241.858	< 0.05	236.060	< 0.05
ChildHIV	0.526	0.591	0.529	0.589	0.512	0.599
Socio-economic status	0.510	0.729	0.542	0.705	0.567	0.686
Maternal education	2.140	0.074	2.098	0.079	2.137	0.074
Paternal education	3.794	< 0.05	3.745	< 0.05	3.808	< 0.05
Height-for-age z-score	5.804	< 0.05	5.797	< 0.05	6.427	< 0.05
Age	27254.702	< 0.05	17355.888	< 0.05	27324.846	< 0.05
Haemoglobin level	0.354	0.552	0.242	0.623	0.406	0.524