| Titre : | Short interpregnancy intervals and the risk of adverse birth outcomes among five racial/ethnic groups in the United States. (1998) |
| Auteurs : | B. KHOSHNOOD ; H.L. HSIEH ; K.S. LEE ; R. MITTENDORF ; S. WALL ; Department of Obstetrics and Gynecology. University of Chicago Children's Hospital. Chicago. IL. USA ; Section of Neonatology. Department of Pediatrics. University of Chicago Children's Hospital. Chicago. IL. USA |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 148, n° 8, 1998) |
| Pagination : | 798-805 |
| Langues: | Anglais |
| Mots-clés : | Prématurité ; Grossesse ; Ethnie ; Epidémiologie ; Facteur risque ; Nouveau né ; Homme ; Etats Unis ; Amérique ; Gestation [pathologie] ; Amérique du Nord |
| Résumé : | [BDSP. Notice produite par INIST R0xe1w7u. Diffusion soumise à autorisation]. The authors studied the effects and population-level impact of short (<=12 months) interpregnancy intervals on the risks for low (<2.5 kg) birth weight and preterm (<37 weeks) delivery of livebom singleton infants to US African American, Mexican, Native American, non-Hispanic white, and Puerto Rican mothers (n=4,841,418) from 1989 to 1991. Statistical analyses were done by using the Mantel-Haenszel correlation statistic chisquare test and logistic regression. The proportion of livebirths associated with <=12-month interpregnancy intervals was the lowest among non-Hispanic whites (18.5%, 95% confidence interval 18.5-18.5) and the highest among Native Americans (29.7%, 95% confidence interval 29.2-30.2). As compared with mothers with>12-month intervals, mothers with<6-month intervals had an approximately 50% to 80% increased risk of very low (<1.5 kg) birth weight delivery and a 30% to 90% increased risk of very preterm (<32 weeks) delivery. Logistic regression analyses showed that the adverse effects of short intervals were reduced by about 10% but remained for the most part significant after controlling for potential confounding by maternal age, education, parity, marital status, prenatal care, smoking, and previous preterm delivery. |
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