Ratio: Percentage of live-born infants delivered with a birth weight of less than 2,500 grams (about 5 lbs, 8 oz).

Definition: Number of live-born infants with a birth weight of less than 2,500 grams born to resident mothers among all live births occurring in the same year.

Data Sources; (1) New Jersey Birth Certificate Database, (2) National Center for Health Statistics

Ratio: Number of live-born infants with a birth weight of less than 1,500 grams, among all live-born infants born to resident mothers.

Definition: Percent of live-born infants delivered with a birth weight of less than 1,500 grams (about 3 lbs, 5 oz).

Data Sources:

1) Birth Certificate Database, Office of Vital Statistics and Registry, New Jersey Department of Health

2) National Vital Statistics Reports, NCHS, CDC

Ratio: Percentage of live-born infants delivered with a birth weight of less than 2,500 grams (about 5 lbs, 8 oz).

Definition: Number of live-born infants with a birth weight of less than 2,500 grams born to resident mothers among all live births occurring in the same year.

Data Sources; (1) New Jersey Birth Certificate Database, (2) National Center for Health Statistics

Ratio: Number of live-born infants with a birth weight of less than 1,500 grams, among all live-born infants born to resident mothers.

Definition: Percent of live-born infants delivered with a birth weight of less than 1,500 grams (about 3 lbs, 5 oz).

Data Sources:

1) Birth Certificate Database, Office of Vital Statistics and Registry, New Jersey Department of Health

2) National Vital Statistics Reports, NCHS, CDC