Disparities in Infant Health Among American Indians and Alaska Natives in US Metropolitan Areas.

Authors: Grossman DC., Baldwin LM., Casey S., Nixon B, Hollow W, Hart LG
Publication Year: 2002
Last Updated: 2016-02-08 13:03:33
Journal: Pediatrics
Keywords: health disparities, disparities, pediatrics, youth, young, healthcare, infant health, infant, american indian, alaska native, ai/an, metropolis, urban health

Short Abstract:

Objective: To determine geographic variation in urban American Indian & Alaska Native (AI/AN) rates of infant mortality, low birth weight, prenatal care use, and maternal-child health care service availability.

Abstract:

Objective: To determine geographic variation in urban American Indian and Alaska Native (AI/AN) rates of infant mortality, low birth rate, pre-natal care use, and maternal-child health care service availability.

Methods: This was a retrospective cohort study using data from the 1989 to 1991 birth-death linked database from the National Center for Health Statistics. We examined births from the metropolitan areas with a minimum of 300 AI/AN births during the study period. Key outcomes of interest included rates of low birth weight, neonatal mortality, postneonatal mortality, and women receiving inadequate prenatal care using the modified Kessner index. To determine the type of health services tailored to AI/AN mothers residing in these urban areas, we conducted a telephone survey of the 36 urban Indian health programs operating in 1997 using a semi structured survey. Items in the survey included questions about the availability of prenatal and infant health care.

Results: During the 1989 to 1991 study period, there were 72,730 singleton births to AI/AN mothers and/or fathers residing in urban areas, representing 49% of all AI/AN births in the United States. Overall 14.4% of urban AI/AN births were to women who received inadequate care during pregnancy, 5.7% of pregnancies resulted in low birth weight infants, and 11.0 infants died per 1000 live births. Death rates for the neonatal period (5.5 per 1000 births) and postneonatal period (5.4 per 1000 births) were similar. Marked disparity in these indicators exist between pregnancies to AI/AN and white women. Among the 54 metropolitan areas, 46 had a rate ratio (AI/AN: white) for inadequate care of ?1.5 (range 0.9-8.5). The mean rate ratios for neonatal and postneonatal mortality were 1.6 (range 0.3-4.0) and 2.0 (0.5-5.5). There was also considerable geographic variation of AI/AN mortality rates between metropolitan areas in all of the outcomes studied. All of the 20 metropolitan areas with the highest birth counts had some type of direct medical care or outreach services available from an urban clinic targeted toward AI/AN patients.

Conclusions: Considerable variation also exists among rates of AI/ANs between metropolitan areas. Disparity also exists in rates of perinatal outcomes between AI/AN and whites living in the same metropolitan areas. Although AI/AN urban health programs exist in most cities with large birth counts, it seems that many have inadequate resources to meet existing needs to improve perinatal outcomes and infant health.

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