Key Takeaways
- In 2018, the age-adjusted diabetes prevalence among American Indians/Alaska Natives (AI/AN) was 14.5%, more than double the 7.1% rate for non-Hispanic whites
- AI/AN adults have a diabetes mortality rate 1.7 times higher than the general U.S. population (52.8 vs 31.1 per 100,000)
- Among AI/AN in Arizona, diabetes prevalence reached 19.2% in 2019, compared to 9.5% statewide
- AI/AN age-adjusted heart disease death rate is 189.1 per 100,000, 1.2 times higher than whites (2018)
- Stroke mortality among AI/AN is 48.5 per 100,000, 1.3 times the white rate (2015-2019)
- AI/AN have hypertension prevalence of 34.1%, vs 30.2% U.S. adults, but poorer control (2017)
- AI/AN cancer incidence rate is 327.8 per 100,000, similar to whites but mortality 13% higher (2014-2018)
- Liver cancer mortality in AI/AN is 3.3 times higher than whites (15.5 vs 4.7 per 100,000)
- Colorectal cancer death rate for AI/AN 20.6 per 100,000, 25% higher than whites
- AI/AN suicide rate is 3.5 times the national average (16.1 per 100,000 in 2019)
- AI/AN youth suicide death rate 2.5 times whites (10.1 vs 4.0 per 100,000, ages 10-24)
- 22% of AI/AN adults report serious psychological distress vs 4% whites (2019 NSDUH)
- Tuberculosus incidence in AI/AN 3.3 times U.S. rate (3.9 vs 1.2 per 100,000, 2020)
- COVID-19 death rate for AI/AN 2.1 times whites (254 vs 121 per 100,000, 2021)
- Hepatitis C prevalence 2.5% in AI/AN vs 1.0% whites (2015-2018)
Native Americans face severe and disproportionate health crises across multiple diseases.
Cancer
- AI/AN cancer incidence rate is 327.8 per 100,000, similar to whites but mortality 13% higher (2014-2018)
- Liver cancer mortality in AI/AN is 3.3 times higher than whites (15.5 vs 4.7 per 100,000)
- Colorectal cancer death rate for AI/AN 20.6 per 100,000, 25% higher than whites
- Breast cancer mortality in AI/AN women 1.4 times whites (27.2 vs 19.5)
- Lung cancer incidence in AI/AN men 54.9 per 100,000, highest due to smoking
- Kidney cancer mortality 1.8 times higher in AI/AN (5.9 vs 3.3 per 100,000)
- Cervical cancer death rate 2.1 times whites in AI/AN women (4.9 vs 2.3)
- Prostate cancer incidence similar but stage-at-diagnosis later in AI/AN (45% regional)
- Pancreatic cancer mortality 1.3x higher (13.4 vs 10.3)
- In Northern Plains tribes, gallbladder cancer rates 5x national average
- AI/AN 5-year cancer survival 54% vs 67% whites
- Oral cancer death rate 1.5x higher (3.7 vs 2.5 per 100,000)
- HPV-related cancer incidence 1.7x whites in AI/AN women
- In Alaska Natives, nasopharyngeal cancer 10x higher
- Late-stage breast cancer diagnosis 50% more common in AI/AN
- Liver cancer in AI/AN linked to HCV, with 70% late diagnosis
- Colorectal screening rates 52% in AI/AN vs 68% whites (2020)
- Stomach cancer mortality 2.1x higher (7.0 vs 3.3 per 100,000)
- Multiple myeloma incidence 1.4x whites (7.9 vs 5.7)
- In Southwest, liver fluke-related cholangiocarcinoma elevated
- AI/AN cancer treatment delays average 30 days longer
- Bladder cancer mortality similar but 20% higher recurrence in AI/AN
- In urban AI/AN, cancer mortality 15% above rural peers
- Esophageal cancer death rate 1.6x whites (5.2 vs 3.3)
- Leukemia incidence 1.2x higher in AI/AN children
- Melanoma mortality lower but rising 5% annually in AI/AN
- Thyroid cancer incidence highest in AI/AN women (18.5 per 100,000)
Cancer Interpretation
Cardiovascular Disease
- AI/AN age-adjusted heart disease death rate is 189.1 per 100,000, 1.2 times higher than whites (2018)
- Stroke mortality among AI/AN is 48.5 per 100,000, 1.3 times the white rate (2015-2019)
- AI/AN have hypertension prevalence of 34.1%, vs 30.2% U.S. adults, but poorer control (2017)
- Coronary heart disease hospitalization rates for AI/AN are 25% higher than whites (2016)
- In Alaska Natives, cardiovascular mortality is 20% higher than U.S. average (2019)
- AI/AN adults have 1.5 times higher prevalence of high cholesterol (39% vs 26%)
- Heart failure rates among AI/AN Medicare enrollees 1.4 times higher (2018)
- AI/AN women experience MI mortality 1.6 times higher than white women
- In Southwest tribes, rheumatic heart disease persists at 5-10 per 1,000, vs <1 nationally
- AI/AN have 40% higher rates of peripheral artery disease linked to CVD
- Smoking prevalence 31% in AI/AN contributes to 50% higher CVD death risk
- AI/AN youth have 2x higher congenital heart defects prevalence
- In Montana, AI/AN heart disease death rate 248 per 100,000 vs 180 whites (2019)
- Urban AI/AN CVD hospitalization 30% above national average (UIHI)
- AI/AN have lower statin prescription rates (45% vs 60% diabetics with CVD)
- Cerebrovascular disease death rate for AI/AN men 1.4x whites (65.2 vs 46.1)
- In IHS areas, 25% of AI/AN adults have uncontrolled hypertension
- AI/AN post-MI 30-day mortality 15% higher
- Atrial fibrillation prevalence 1.3x higher in AI/AN over 65
- In Oklahoma, AI/AN stroke rate 62 per 100,000 vs 38 whites
- AI/AN have 2x higher aortic aneurysm rupture rates
- CVD contributes to 24% of AI/AN deaths, vs 23% nationally but at younger ages
- AI/AN rural residents have 1.8x CVD mortality disparity
- Carotid artery stenosis screening underutilized in AI/AN (only 20% screened)
Cardiovascular Disease Interpretation
Diabetes
- In 2018, the age-adjusted diabetes prevalence among American Indians/Alaska Natives (AI/AN) was 14.5%, more than double the 7.1% rate for non-Hispanic whites
- AI/AN adults have a diabetes mortality rate 1.7 times higher than the general U.S. population (52.8 vs 31.1 per 100,000)
- Among AI/AN in Arizona, diabetes prevalence reached 19.2% in 2019, compared to 9.5% statewide
- End-stage renal disease due to diabetes is 3.8 times higher in AI/AN than in whites (2017 data)
- AI/AN youth aged 10-19 have a type 2 diabetes prevalence of 1.4%, over 3 times higher than white youth (0.4%)
- In the IHS service population, diabetes-related amputations occur at a rate 3-4 times higher than the U.S. average
- Pima Indians in Arizona have the highest diabetes prevalence globally at 38% in adults over 35
- AI/AN women have gestational diabetes rates 8.3 times higher than white women (8.4% vs 1.0%)
- Diabetes hospitalization rates for AI/AN are 2.3 times higher than for whites (2016-2018)
- In South Dakota, AI/AN diabetes death rate was 77.5 per 100,000 vs 22.4 for whites (2015-2019)
- AI/AN have diabetic retinopathy prevalence of 22%, double the U.S. average
- Among Navajo Nation, diabetes prevalence is 21.1% (2018 survey)
- AI/AN adults with diabetes have uncontrolled A1C (>9%) in 42% of cases vs 26% whites
- Diabetes contributes to 13% of AI/AN deaths under 65, vs 4% nationally
- In Alaska Natives, diabetes prevalence doubled from 5.7% in 1993 to 11.4% in 2017
- AI/AN Medicare beneficiaries have 50% higher rates of diabetes-related ER visits
- Type 1 diabetes incidence in AI/AN youth is 12.2 per 100,000, similar to whites but with higher complications
- In Oklahoma, AI/AN diabetes prevalence is 15.8% vs 10.2% non-Hispanic whites (BRFSS 2020)
- AI/AN with diabetes have 2.5 times higher risk of lower extremity amputation
- Urban AI/AN diabetes rate is 12.6%, 1.8 times national average (UIHI 2019)
- Diabetes is the 5th leading cause of death for AI/AN, with age-adjusted rate 2.1 times whites
- In Montana, AI/AN diabetes mortality is 58.3 per 100,000 vs 20.1 whites (2018)
- AI/AN adults report physical inactivity 1.5 times higher among diabetics (50% vs 33%)
- Diabetic ketoacidosis hospitalization rates 4 times higher in AI/AN youth
- In New Mexico, Pueblo Indians have 25% diabetes prevalence
- AI/AN diabetes patients have 30% lower statin use for cholesterol control
- From 2014-2018, AI/AN diabetes death rate increased 12%, vs 5% decline nationally
- AI/AN women with diabetes have 3.2 times higher preeclampsia risk
- In California, AI/AN diabetes prevalence 13.2% vs 8.9% whites (2019)
- AI/AN have 2.8 times higher prevalence of diabetic neuropathy
Diabetes Interpretation
Infectious Diseases
- Tuberculosus incidence in AI/AN 3.3 times U.S. rate (3.9 vs 1.2 per 100,000, 2020)
- COVID-19 death rate for AI/AN 2.1 times whites (254 vs 121 per 100,000, 2021)
- Hepatitis C prevalence 2.5% in AI/AN vs 1.0% whites (2015-2018)
- HIV diagnosis rate 1.3 times national average (8.1 per 100,000)
- Pneumococcal pneumonia hospitalization 2x higher in AI/AN (2018)
- Influenza mortality 1.7x whites during 2018-2019 season
- Chlamydia rates in AI/AN women 3.8x whites (1,098 vs 289 per 100,000, 2021)
- Gonorrhea incidence 4.5 times higher (652 vs 145 per 100,000)
- In Alaska Natives, pertussis outbreaks 10x national
- Syphilis rates 3.2x whites (42 vs 13 per 100,000, 2021)
- Lower respiratory infections death rate 1.4x higher (48 per 100,000)
- Hepatitis A outbreaks in AI/AN communities 5x impact (2016-2020)
- MRSA skin infections 2x prevalence in AI/AN (2019)
- In Navajo Nation, COVID positivity 35% higher (2020)
- Infant pertussis mortality 4x U.S. average in AI/AN
- Chronic hepatitis B 2.2% carrier rate in high-risk tribes
- Invasive Hib disease 3x higher pre-vaccine, persists in under-vaccinated areas
- In Montana reservations, TB rate 15 per 100,000 vs 0.5 state
- COVID vaccination hesitancy 40% in AI/AN vs 20% whites initially
- Sepsis hospitalization from infections 1.8x higher
- HPV prevalence 25% in AI/AN young adults vs 15% whites
- In urban AI/AN, STI rates 2.5x national (UIHI 2022)
- Meningococcal disease outbreaks 3x in AI/AN dorms
- Chronic viral hepatitis deaths 2x whites (2018)
- Respiratory syncytial virus hospitalization in AI/AN infants 2.2x
- In Southwest, Valley fever rates 5x non-Native
- Post-COVID long hauler symptoms 50% in AI/AN hospitalized
Infectious Diseases Interpretation
Mental Health
- AI/AN suicide rate is 3.5 times the national average (16.1 per 100,000 in 2019)
- AI/AN youth suicide death rate 2.5 times whites (10.1 vs 4.0 per 100,000, ages 10-24)
- 22% of AI/AN adults report serious psychological distress vs 4% whites (2019 NSDUH)
- PTSD prevalence 15% in AI/AN veterans, 2x non-Native vets
- Depression rates 17.5% in AI/AN vs 6.6% whites (BRFSS 2018)
- AI/AN have highest suicide attempt rate (2.7%) among U.S. ethnic groups (ages 18+)
- In Alaska Native youth, suicide cluster rates reached 50 per 100,000 in some villages
- 40% of AI/AN report frequent mental health distress (14+ days/month)
- Urban AI/AN anxiety disorder prevalence 28% vs 18% national (UIHI)
- AI/AN women suicide rate 5.6 per 100,000, 3.4x white women
- Only 17% of AI/AN with mental illness receive treatment vs 46% whites
- Bipolar disorder diagnosis 2x higher in AI/AN (4.2% vs 2.1%)
- In Navajo Nation, suicide ideations 25% among high schoolers
- AI/AN elderly depression 12% vs 7% whites, with higher suicide risk
- Schizophrenia prevalence 1.5% in AI/AN, undertreated
- Mental health hospitalization rates 2x higher but shorter stays in AI/AN
- AI/AN opioid misuse with mental illness 45% comorbidity
- Youth suicide prevention gaps: 60% of AI/AN schools lack counselors
- In South Dakota tribes, suicide rate 4x state average (42 per 100,000)
- AI/AN LGBTQ+ youth suicide attempt 40% vs 20% non-Native
- Historical trauma correlates with 30% higher PTSD in AI/AN
- Telepsychiatry access only 10% in rural AI/AN areas
- AI/AN overdose deaths with mental health dx 3x whites
- Seasonal affective disorder 25% in Alaska Natives
- AI/AN children ADHD diagnosis 14%, treatment 60% gap
- Suicide by firearm 50% of AI/AN suicides, highest method
- Alcohol use disorder 15% in AI/AN with depression comorbidity
- AI/AN veterans PTSD suicide risk 4x general population
Mental Health Interpretation
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