Low birth weight and prenatal care in Colombia: a cross-sectional study

Table 2 Binomial logistic regressions of LBW on prenatal care variables

Variables	OR	Sig.	OR	Sig.
Prenatal Care characteristics	Model 1		Model 2
Provider: No antenatal care	2.941	0.007	2.198	0.011
Provider: Physician	Reference
Provider: Other	1.061	0.696	1.053	0.756
Quality of prenatal care	0.642	0.076	0.552	0.033
Number of prenatal care visits	0.864	<0.001	0.921	<0.001
First prenatal care	1.133	<0.001	1.080	0.045
Health insurance coverage	0.817	0.044	0.871	0.214
Pregnancy characteristics
Gestational age at delivery (weeks)			0.631	<0.001
Preceding birth interval ≤ 1 year			1.214	0.690
Substance abuse			0.841	0.089
Wanted child			0.970	0.412
Child characteristics
Product of a Multiple pregnancy			9.722	<0.001
Sex			1.402	<0.001
Mother characteristics
Age			1.011	0.157
Education			0.962	0.002
Employment			1.063	0.421
Marital Status: Never married			0.932	0.601
Marital Status: Currently married			Reference
Marital Status: Previously married			0.871	0.179
Height (cm)			0.995	<0.001
BMI: Low			1.645	<0.001
BMI: Regular			Reference
BMI: High			0.886	0.226
Total children ever born			0.893	0.002
Previously terminated pregnancy			0.962	0.635
History of sexual abuse			1.152	0.009
History of psychological abuse			0.971	0.684
History of physical abuse			0.985	0.857
Final say			0.975	0.427
Context characteristics
Number of household members			0.996	0.865
Wealth index			0.979	0.645
Urban residency			0.971	0.761
Migration			1.151	0.258
Household head: Woman			1.249	0.051
Household head: Partner			Reference
Household head: Other			1.328	0.024
Sanitation			0.915	0.423
−2 Log likelihood	7274.10		2185.23
Cox & Snell R Square	0.01		0.21
Nagelkerke R Square	0.02		0. 44