Table 1.
aIncludes races/ethnicities not listed separately
bIncludes Aleuts and Eskimos
c<1,500 grams
d<2,500 grams
eBorn prior to 32 completed weeks of gestation
fBorn prior to 37 completed weeks of gestation
gData are based on the 1989 Revision of the U.S. Certificate of Live Birth; these data are not comparable with those based on the 2003 Revision of the U.S. Certificate of Live Birth. Excludes data from Florida, Idaho, Kansas, Kentucky, Nebraska, New Hampshire, New York State (excluding New York City), Tennessee, Texas, Vermont, and Washington.
hExcludes data for California, which does not report tobacco use on the birth certificate