Association of Breastfeeding and the Federal Poverty Level: National Survey of Family Growth, 2011–2013

Table 3

Adjusted odds ratios (AOR) and 95% confidence intervals (CI) from logistic regression on breastfeeding National Survey of Family Growth (NSFG) 2011–2013 ().

Adjusted logistic regression	Model 1	value	Model 2	value
Federal Poverty Level
0–99% of Federal Poverty Level	Reference		Reference
100–199% of Federal Poverty Level	1.23 (0.99, 1.70)	0.2091	1.19 (0.86, 1.65)	0.305
200–299% of Federal Poverty Level	1.24 (0.86, 1.79)	0.2392	1.25 (0.88, 1.76)	0.212
300–399% of Federal Poverty Level	1.09 (0.68, 1.75)	0.7081	1.05 (0.65, 1.70)	0.831
400% and above	1.50 (0.89, 2.51)	0.1281	1.45 (0.83, 2.52)	0.193
Maternal age
14 to less than 20 years	0.76 (0.57, 1.00)	0.0467	0.75 (0.56, 1.00)	0.050
20 to less than 25 years	Reference		Reference
25 to less than 30 years	1.18 (0.96, 1.44)	0.1180	1.17 (0.95, 1.43)	0.137
30 to 44 years	1.56 (1.15, 2.13)	0.0008	1.61 (1.18, 2.18)	0.002
Maternal race/ethnicity
Non-Hispanic white			Reference
Non-Hispanic black			0.52 (0.38, 0.71)	0.004
Hispanic			1.47 (1.03, 2.08)	0.516
Maternal education
Less than high school	Reference		Reference
High school graduate	0.53 (0.35, 0.79)	0.0019	0.61 (0.39, 0.98)	0.039
Some higher education	0.88 (0.59, 1.33)	0.5527	1.10 (0.69, 1.76	0.693
Associate degree and above	1.50 (0.99, 2.27)	0.0569	1.87 (1.16, 3.00)	0.010
Marital status
Single/separated/widowed/divorced	0.65 (0.50, 0.84)		0.89 (0.73, 1.083)	0.221
Married	Reference		Reference
Parity
First infant			Reference
2 or more			0.91 (0.71, 1.16)	0.432
Low birth weight
Yes (less than 2500 grams)			0.86 (0.55, 1.33)	0.486
No (2500 grams and above)			Reference
Preterm birth
Yes(less than 37 weeks)			Reference
No (37 weeks and above)			1.21 (0.93, 1.57)	0.164
Insurance
Private or MediGap			0.85 (0.60, 1.22)	0.383
Medicaid, CHIP, or a state-sponsored plan			0.61 (0.44, 0.85)	0.003
Medicare, military, or other government plans			1.02 (0.68, 1.55)	0.909
Single service plan, Indian Health Service, or no coverage			Reference
Dwelling
Urban, principal city	1.56 (1.06, 2.29)	0.0243	1.62 (1.07, 2.46)	0.023
Urban, other than principal city	1.55 (1.11, 2.17)	0.0103	1.48 (1.04, 2.09)	0.028
Rural	Reference		Reference

Note: based on 5,397 participants with infants from the National Survey of Family Growth 2011–2013.