TABLE 2.

Birth Outcomes for Foreign-Born Indian and Mexican Mothers and US-Born Non-Hispanic Black and White Mothers-California Births, 1995–1997

Birth OutcomeUS-Born White (n = 506 365)Foreign-Born Indian (n = 12 899)Foreign-Born Mexican (n = 433 825)US-Born Black (n = 104 888)
Birth characteristic
 Mean gestational age* (wk)38.938.638.838.3
 % Prematurity* (<38 wk)17.319.718.224.8
 Mean birth weight (g)3,4223,1583,3833,139
 % LBW (≥2500 g)5.79.15.212.5
 % VLBW (≥1500 g)1.01.41.02.7
 % Small for gestational age*3.06.83.37.2
Mortality rates (per 1000)
 Fetal (per total births)3.96.64.57.1
 Neonatal (per live births)2.72.92.64.9
  500–1499162.0151.1151.5136.0
  1500–249910.35.113.47.8
  ≥25000.891.030.851.17
 Postneonatal (per 28-d survivors)1.91.31.64.5
  • Data source: California Department of Health Services, Birth Cohort File, 1995–1997.

  • Includes births occurring in California with known birth weight at least 500 g.

  • * Does not include infants with gestational age <20 weeks or >45 weeks or missing.

  • Defined as ≤ third percentile birth weight, using non-hispanic white mothers as reference.

  • Compared with US-born white mothers, χ2 test significant at 1% level (P < .01).