| Titre : | Are very low birthweight births among American Indians and Alaska Natives underregistered ? (1999) |
| Auteurs : | K.E. HECK ; J. PARKER ; K.C. SCHOENDORF ; National Center for Health Statistics. Hyattsville. MD. USA |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 28, n° 6, 1999) |
| Pagination : | 1096-1101 |
| Langues: | Anglais |
| Mots-clés : | Nouveau né ; Homme ; Ethnie ; Epidémiologie ; Mortalité néonatale ; Mortalité ; Estimation ; Validité ; Etats Unis ; Amérique ; Gestation [pathologie] ; Amérique du Nord |
| Résumé : | [BDSP. Notice produite par INIST qc1aR0xW. Diffusion soumise à autorisation]. Background International infant mortality rates vary widely. This variation has been attributed to many factors, including differential reporting. In the US, American Indians and Alaska Natives (AI/AN), who generally have low socioeconomic status, have a low neonatal mortality rate. One possible explanation is underregistration of very low birthweight (VLBW,<1500 g) births. We hypothesized that underregistration may occur disproportionately among AI/AN residing on or near reservations (areas controlled by an American Indian group). We estimated infant mortality in these areas. Methods Linked birth-infant death files for 1989-1991 were used to compare VLBW and neonatal mortality among AI/AN infants in counties with reservations with those in non-reservation counties. The VLBW rates for non-reservation counties were applied to the reservation risk distribution to calculate directly adjusted VLBW and neonatal mortality rates for reservation counties. This method assumes that greater registration in non-reservation counties yields a more accurate estimate of the relationship between risk factors and outcomes. Results Despite a higher prevalence in reservation counties of risk factors, the reported VLBW rate was 0.84% in reservation and 1.17% in non-reservation counties. The neonatal mortality rate was 5.4 per 1000 in reservation counties and 6.0 in non-reservation counties. Direct adjustment yielded a VLBW rate of 1.28% (95% CI : 1.14-1. (...) |
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