Sex, Conception Interval, Gestational Age, Apgar Score, and Anthropometric Surrogates in relation to Birth Weight of Bangladeshi Newborns: A Cross-Sectional Study

Table 3

Relationship between birth weight and gestational age.

Variable	Birth weight (g)
	<2500		2500–2999		3000+		𝜒^2 (𝑃)	Mean	SD	𝐹 (𝑃)
	𝑛	%	𝑛	%	𝑛	%
Gestational age (weeks)
31-32	9	42.9	9	42.9	3	14.3		2561.90	390.482
33-34	12	27.3	21	47.7	11	25.0		2718.18	407.644
35-36	37	34.6	40	37.4	30	28.0	14.795 (0.05)	2723.36	479.894	2.625 (0.5)
37-38	22	19.8	47	42.3	42	37.8		2848.65	474.986
39-40	18	32.7	19	34.5	18	32.7		3120.00	456.624
40+	0	0	2	40.0	3	60.0		2696.36	408.656
Total	98	28.6	138	40.2	107	31.2		2754.81	465.568