Table 5. Results of multiple linear regression analysis of changes in Z-scores of height-for–age (HAZ), weight-for-age (WAZ) and weight-for-height (WHZ) among preschool children attending ART clinics of 5 hospitals.

Variable	HAZ Difference†			WAZ Difference‡			WHZ Difference¶
	Std Err.	t	p-value	Std Err.	t	p-value	Std Err.	t	p-value
Age at HIV Diagnosis (years)	.019	0.17	0.863
Age at ART initiation (years)	.017	1.64	0.103	.012	1.23	0.221
Duration of ART (years)	.179	1.16	0.247	.206	-1.99	0.049	.223	-1.70	0.091
CD4 count at follow up	.012	-0.72	0.471	.014	1.17	0.243
Food availability	.123	-1.25	0.215	.142	-0.95	0.344
Mother’s education	.290	2.64	0.009	.337	1.19	0.238
Co-trimoxazole intake	.615	-1.66	0.098
WHO stage (pre-ART)	.170	0.59	0.554	.196	1.01	0.314	.221	1.84	0.067
_constant	1.04	0.24	0.809	.952	0.44	0.661	.883	1.50	0.136

^†Adjusted r² = 0.113, p-value = 0.003;

^‡Adjusted r² = 0.098, p-value = 0.038;

^¶ Adjusted r² = 0.113, p-value = 0.031