Table 3.

Significant univariate associations between VLBW infant mortality and maternal-related factors

Variables	Category	Risk Ratio (95% CI)	P value
Age of mother (years)	≤20 vs>20	1.25 (1.07 to 1.45)	<0.01
Hypertension	Yes vs no	0.62 (0.49 to 0.77)	<0.01
Pre-eclampsia	Yes vs no	0.69 (0.57 to 0.82)	<0.01
Other illnesses	Yes vs no	1.34 (1.04 to 1.74)	0.02
Medication	Yes vs no	0.43 (0.25 to 0.77)	<0.01
Employment	Yes vs no	0.72 (0.52 to 1.01)	0.06
Refrigerator at home	Yes vs no	1.22 (1.01 to 1.48)	0.04

VLBW, very low birth weight.