Résumé :
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[BDSP. Notice produite par INIST WNfR0x35. Diffusion soumise à autorisation]. The authors used 1985-1990 Illinois'vital records to determine the low birth weight components of infants delivered to US-born Black women, Caribbean-born Black women, and US-born White women. The moderately low birth weight rate (1,500-2,499 g) was 10% for infants with US-born Black mothers (n=67,357) and 6% for infants with Caribbean-born mothers (n=2,265) compared with 4% for infants with US-born White mothers (n=34,124) ; the relative risk equaled 2.7 (95% confidence interval (Cl) : 2.5,2.8) and 1.7 (95% Cl : 1.4,2.0), respectively. The very low birth weight rate (<1,500 g) was 2.6% for infants delivered to US-born Black women and 2.4% for infants to Caribbean-born women compared with 0.7% for infants to US-born White women ; the relative risk equaled 3.6 (95% Cl : 3.1,4.1) and 3.3 (95% Cl : 2.5,4.4), respectively. Among the lowest risk mothers, the relative risk of moderately low birth weight for infants with US-born Black mothers and Caribbean-born mothers (compared with US-born White mothers) was 2.7 (95% Cl : 2.1,3.4) and 1.2 (95% Cl : 0.4,3.1), respectively ; the relative risk of very low birth weight for infants with US-born Black mothers and Caribbean-born mothers was 6.7 (95% Cl : 3.8,12) and 4.2 (95% Cl : 1.0,18), respectively. The authors conclude that Caribbean-born women and US-born Black women have disparate moderate rates but equivalent very low birth weight rates.
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