Table 4. Bivariate correlation between independent variables and the change in weight-for-age (WAZ), height-for-age (HAZ) and weight-for-height (WHZ) Z-scores at any follow up among preschool children attending ART clinics of 5 hospitals.

Variable	HAZ Difference		WAZ Difference		WHZ Difference
	r2	p-value	r2	p-value	r2	p-value
Age at HIV Diagnosis (years)	0.040	0.012	0.009	0.235	0.004	0.417
Age at ART initiation (years)	0.065	0.000	0.022	0.062	0.012	0.174
Duration of ART (years)	0.003	0.517	0.038	0.013	0.019	0.082
Sex	0.000	0.912	0.006	0.234	0.010	0.215
CD4 count at follow up	0.020	0.552	0.021	0.067	0.010	0.211
Change in CD4 percent	0.087	0.072	0.021	0.388	0.067	0.116
Food availability	0.035	0.018	0.019	0.082	0.002	0.605
Food supplements	0.007	0.291	0.001	0.692	0.014	0.140
Adherence to ART	0.000	0.800	0.003	0.477	0.010	0.215
Maternal Age	0.005	0.327	0.011	0.231	0.011	0.227
Mother’s education	0.053	0.009	0.024	0.071	0.000	0.994
Mother alive	0.000	0.853	0.017	0.090	0.020	0.072
Marital status	0.003	0.509	0.005	0.367	0.006	0.324
Birth interval	0.038	0.109	0.003	0.680	0.000	0.930
Co-trimoxazole intake	0.020	0.018	0.011	0.195	0.004	0.405
WHO stage (pre-ART)	0.020	0.080	0.034	0.020	0.024	0.049
Diarrheal diseases	0.003	0.488	0.002	0.542	0.002	0.584