. 2022 Mar 25;18(3):178–187. doi: 10.1089/chi.2021.0138

Table 3.

Regression Model Parameter Estimates of Breastfeeding Type and Duration with Percentage Body Fat in Environmental Exposures and Child Health Outcomes

	Observed sample (N = 605)^*			Imputed sample (N = 823)
	β	95% CI	p	β	95% CI	p
Any breastfeeding^a
No	0			0
Yes	−1.8636	−4.3108 to 0.5836	0.14	−2.0021	−4.2897 to 0.2855	0.09
Total breastfeeding duration^a,b
None	0			0
>0 to <6 months	−2.1308	−5.0111 to 0.7494	0.15	−2.2168	−5.2529 to 0.8193	0.15
6 to <12 months	−0.8055	−4.1736 to 2.5626	0.64	−0.7559	−3.7958 to 2.2840	0.62
≥12 months	−4.0956	−7.7552 to −0.4360	0.03	−4.1156	−7.4347 to −0.7965	0.02
Continuous months	−0.1346	−0.2191 to −0.0501	0.003	−0.0950	−0.1847 to −0.0318	0.006
Exclusive breastfeeding duration^a,c
None	0			0
>0 to <6 months	−1.8667	−4.4437 to 0.7103	0.16	−1.8901	−4.4742 to 0.6940	0.15
≥6 months	−3.8365	−7.5136 to −0.1593	0.04	−3.4696	−6.7787 to −0.1604	0.04
Continuous months	−0.3123	−0.5388 to −0.0859	0.006	−0.3520	−0.5827 to −0.1214	0.003

Enrolled in NICHD FGS—Singleton Cohort.

^{^a}

Adjusted for age, gender (male, female), race/ethnicity (NHW, NHB, Hispanic, Asian), SES (household received federal food assistance y/n) mother's BMI status (18.5 to <25.0, ≥25.0, <18.5/missing), and child's activity level (low, medium, high).

^{^b}

Excludes breastfed for unknown duration (N = 27).

^{^c}

Excludes breastfed exclusively for unknown duration (N = 41).

FGS, fetal growth studies.