Table 5.

Moderation effects of age group on WHZ in predicting HAZ (N = 2720).

Model		Unstandardized coefficients		Standardized coefficients	T	Sig.	95.0% CI for β		Collinearity statistics
		B	Std. error	β			Lower bound	Upper bound	Tolerance	VIF
1	(Constant)	−3.10	0.19		−16.054	<0.001	−3.47	−2.72
	Under five in household	0.16	0.05	0.07	3.001	0.003	0.05	0.26	0.93	1.08
	ANC visits (≥4)	0.03	0.01	0.06	2.44	0.02	0.005	0.05	0.85	1.17
	Sex of child	0.17	0.06	0.07	3.08	0.002	0.06	0.28	1.00	1.00
	Household wealth index (richest)	0.12	0.03	0.13	4.78	<0.001	0.07	0.17	0.64	1.57
	Maternal educational level	0.09	0.04	0.06	2.46	0.01	0.02	0.16	0.67	1.49
	Maternal height (≥160 cm)	0.29	0.03	0.21	9.68	<0.001	0.23	0.35	1.00	1.002
2	(Constant)	−2.82	0.19		−15.21	<0.001	−3.18	−2.46
	Under five in household	−0.08	0.05	−0.03	−1.53	0.13	−0.18	0.02	0.83	1.20
	ANC visits (≥4)	0.03	0.01	0.06	2.92	0.003	0.01	0.05	0.85	1.17
	Sex of child	0.14	0.05	0.06	2.74	0.006	0.04	0.25	1.00	1.004
	Household wealth index (richest)	0.13	0.02	0.14	5.29	<0.001	0.08	0.17	0.63	1.58
	Maternal educational level	0.05	0.03	0.04	1.39	0.16	−0.02	0.12	0.67	1.50
	Maternal height (≥160 cm)	0.29	0.03	0.21	10.18	<0.001	0.23	0.35	1.00	1.003
	Weight-for-height Z-score	0.01	0.03	0.01	0.52	0.60	−0.04	0.06	0.98	1.02
	Age groups of children	−0.42	0.03	−0.30	−13.94	<0.001	−0.48	−0.36	0.88	1.13
3	(Constant)	−2.80	0.18		−15.18	<0.001	−3.16	−2.43
	Number of children aged under five in household	−0.09	0.05	−0.04	−1.71	0.087	−0.19	0.01	0.83	1.21
	ANC visits (≥4)	0.03	0.01	0.07	2.97	0.003	0.01	0.05	0.85	1.17
	Sex of child	0.14	0.05	0.06	2.71	0.007	0.04	0.24	1.00	1.004
	Household wealth index (richest)	0.13	0.02	0.14	5.42	<0.001	0.08	0.17	0.63	1.58
	Maternal educational level	0.04	0.03	0.03	1.28	0.20	−0.02	0.11	0.67	1.50
	Maternal height (≥160 cm)	0.28	0.03	0.20	10.05	<0.001	0.23	0.34	1.00	1.004
	Z-score: weight-for-height Z-score	0.09	0.03	0.07	3.05	0.002	0.03	0.15	0.76	1.33
	Z-score: age groups of children	−0.43	0.03	−0.31	−14.30	<0.001	−0.49	−0.37	0.88	1.14
	Interaction term	0.15	0.03	0.12	5.39	<0.001	0.10	0.21	0.77	1.31

Dependent variable: height-for-age standard deviation (according to WHO).