Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Difference in Kaufman Brief Intelligence Scale, 2nd edition (KBIT-II) verbal score at age 7 according to breastfeeding duration in months with linear trend line. Estimates are adjusted for child age, sex, fetal growth, gestational age, race/ethnicity, and primary language; maternal age, parity, smoking status, IQ, depression, employment, and child care at 6 months post-partum; and parental education level, annual household income, and HOME-SF score.
