Table 4

Regression weights of the structural equation model

Equation	Estimates (unstandardised)	Estimates (standardised)	SE	Critical ratio	P values
Regression weights
Care and stimulus ← caregiver factor	0.402	0.401	0.047	8.497	<0.001
Children’s developmental status ← care and stimulus	9.608	0.573	0.913	10.525	<0.001
Children’s developmental status ← haemoglobin value for children	0.593	0.071	0.178	3.331	0.001
Caregivers’ education ← caregiver factor	1.000	0.794
Caregivers’ age ← caregiver factor	−8.358	−0.576	0.543	−15.380	<0.001
Wealth index ← caregiver factor	0.775	0.461	0.055	14.163	<0.001
Parent-child interaction ← care and stimulus	1.000	0.456
Numbers of books ← care and stimulus	1.687	0.303	0.220	7.678	<0.001
Score of ZSDS ← care and stimulus	4.856	0.415	0.488	9.944	<0.001
Communication ← children’s developmental status	0.863	0.622	0.029	30.054	<0.001
Gross motor ← children’s developmental status	0.970	0.726	0.030	32.608	<0.001
Fine motor ← children’s developmental status	1.132	0.778	0.028	40.216	<0.001
Problem-solving ← children’s developmental status	1.188	0.848	0.030	40.212	<0.001
Personal-social ← children’s developmental status	1.000	0.752
Covariance
e8 ↔ e10	−19.912	−0.248	2.961	−6.725	<0.001
e3 ↔ e5	0.620	0.188	0.064	9.708	<0.001
e2 ↔ e4	−1.695	−0.175	0.270	−6.290	<0.001
e1 ↔ e5	0.364	0.215	0.051	7.136	<0.001
e5 ↔ e7	3.079	0.076	0.680	4.527	<0.001
e5 ↔ e6	−2.709	−0.115	0.575	−4.712	<0.001
e2 ↔ e6	−5.270	−0.100	1.247	−4.228	<0.001