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Hospitalizations for injury among American Indian youth in Washington
S J Johnson1, M Sullivan, D C Grossman
1Harborview Injury Prevention and Research Center, 325 Ninth Avenue, Box 359960, Seattle, WA 98104.
Insights
American Indian and Alaska Native (AI/AN) youth in Washington experience higher injury hospitalization rates compared to other youth. Motor vehicle accidents and assaults contribute significantly to this disparity.
Area of Science:
- Public Health Surveillance
- Injury Epidemiology
- Health Disparities Research
Background:
- Injury remains a significant public health concern among adolescents.
- Understanding specific population group risks is crucial for targeted prevention.
- Previous research indicates potential disparities in healthcare access and outcomes for American Indian and Alaska Native (AI/AN) populations.
Purpose of the Study:
- To quantify and compare injury hospitalization rates between AI/AN youth and all youth in Washington State.
- To identify the primary causes and mechanisms of injury leading to hospitalization in AI/AN youth.
- To assess disparities in injury hospitalization rates across different age groups and injury types.
Main Methods:
- Retrospective analysis of Washington State hospital discharge data (1990-1994) for individuals aged 0-19.
- Linking hospital discharge records with Indian Health Service (IHS) patient registration data to identify AI/AN youth.
- Calculation of incidence ratios (IRs) to compare hospitalization rates between AI/AN youth and the general youth population.
Main Results:
- AI/AN youth exhibited a higher rate of injury hospitalization (507 per 100,000) compared to all youth (IR = 1.30).
- Motor vehicle incidents were the leading cause of injury hospitalization for AI/AN youth (IR = 1.73), followed by falls and poisonings.
- The disparity was most pronounced for intentional injuries (IR = 1.71) and injuries from fire (IR = 2.35), particularly among adolescents aged 15-19.
Conclusions:
- AI/AN youth in Washington face a disproportionately higher burden of injury-related hospitalizations.
- Significant disparities exist for injuries sustained in motor vehicle accidents and assaults.
- Linked hospital discharge and IHS data provide a valuable tool for ongoing AI/AN health surveillance.
Objective:
To determine the rate and causes of hospitalization for injury among American Indian and Alaska Native (AI/AN) youth in Washington compared with youth of all races.
Methods:
Subjects were aged 0 to 19 years and were admitted to civilian hospitals for care of an injury (International Classification of Diseases N codes 800-995) in Washington between 1990 and 1994. Deaths occurring in the pre-hospital setting and emergency department were not included. Using several fields of identifying information, the Washington state hospital discharge database was linked with the Indian Health Service (IHS) patient registration database to identify AI/AN youth. Denominator data included the total age-specific IHS user population for American Indians and population estimates derived from the US Census. Incidence ratios (IRs) were calculated to compare rates of hospitalization between AI/AN youth and all youth in Washington.
Results:
A total of 694 hospitalizations for injury were identified for AI/AN youth and 29,048 were identified for all races. The rate of hospitalization for injuries among AI/AN youth was 507 discharges per 100,000 youth (IR = 1.30; 95% confidence interval [CI] 1.20 to 1.40). The leading mechanism of injury was motor vehicles (IR 1.73, 95% CI 1.49 to 2.01), which was followed by falls (IR 0.95, 95% CI 0.79 to 1.15) and poisonings (IR 1.20, 95% CI 0.80 to 1.78). The disparity was greater for intentional injuries (IR 1.71, 95% CI 1.44 to 2.04). The highest IR for all unintentional injuries was for injuries from fire (IR 2.35, 95% CI 1.42 to 3.87). AI/AN children aged 15 to 19 had the greatest disparity for rates of injury hospitalization (IR 1.4, 95% CI 1.25 to 1.56).
Conclusion:
AI/AN youth in Washington had a higher rate of hospitalization for injury compared with all youth in the state. Disparities were greatest for injuries related to motor vehicles and assaults. When linked, hospital discharge data can be used for surveillance of AI/AN hospitalizations.
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