Effect of Birth Interval on Foetal and Postnatal Child Growth

Table 2

Comparison of child growth indices according to the birth interval (unadjusted differences).

Indicator	Birth interval	N	Mean	95% confidence interval for mean			Test statistics
				Std. deviation	Lower bound	Upper bound
HAZ	<24	265	0.75	1.85	0.53	0.97	F (1, 529) = 45.37,  < 0.001
	At least 24	265	−0.29	1.69	−0.49	−0.08
WHZ	<24	265	−0.63	1.64	−0.83	−0.43	F (1, 529) = 0.98,  = 0.32
	At least 24	265	−0.49	1.54	−0.68	−0.31
WAZ	<24	265	−0.14	1.31	−0.30	0.02	F (1, 529) = 12.68,  < 0.001
	At least 24	265	−0.53	1.19	−0.67	−0.38
Birthweight (g)	<24	265	2919.7	380.6	2873.7	2965.7	F (1, 529) = 4.56,  = 0.03
	At least 24	265	2993.7	416.7	2943.3	3044.1
Postnatal growth rate of child in grams/month	<24	265	765.5	307.3	728.3	802.6	F (1, 529) = 53.08,  ≤ 0.001
	At least 24	265	572.7	301.9	536.2	609.2