Table 3.

Reproductive characteristicsof mothers of low and normal birthweight infants

Variable	Birthweight		OR	95% CI
	<2500 grs (n = 158)	≥ 2500 grs (n = 474)
Parity
Multiparous	92	284	1.0
Primiparous	66	190	1.04	[0.73,1.51]
Maternal weight (kgs)
<48	54	107	1.61*	[1.09,3.84]
49–54	37	120	0.99	[0.58,1.67]
55–60	37	119	1.0
>60	30	128	0.75	[0.43,1.29]
Previousa preterm birth
No	58	213	1.0
Yes	34	71	1.75*	[1.06,2.90]
Previous low birth weighta
No	66	246	1.0
Yes	26	38	2.55*	[1.44,4.50]
Previous abortiona
No	67	222	1.0
Yes	25	62	1.33	[0.77,2.28]

*p <0.05

^aOnly applicable for women with more than one pregnancy