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. 2008 Apr;98(4):699–704. doi: 10.2105/AJPH.2007.109637

TABLE 1—

Associations of Mortality Rates With County-Level Median Household Income and State-Level Income Inequality: United States, 1999–2002

Single-Level Analyses of County-Level Income Multilevel Analyses of State-Level Income Inequality (Adjusted for County-Level Income)
Mortality Rate Rate per 100 000, Mean (SD) Correlation (r) With County-Level Income Standardized Parameter Estimate for State-Level Income Inequality Significant Interaction Between Income and Income Inequality (P < .1)
Infant 730 (443) 0.204*** 0.118** No
All causes, working agea 390 (113) 0.533*** 0.328*** Yes
All causes, elderlyb 5298 (711) 0.198*** 0.211* No
Ischemic heart disease 180 (50) 0.263*** 0.213** Yes
Respiratory disease 90 (23) 0.203*** 0.161** Yes
Diabetes 27 (12) 0.231*** 0.078 No
Breast cancer 25 (9.5) 0.006 0.059 No
Prostate cancer 12 (6) 0.116*** –0.014 No
Alcoholic liver disease 4 (4) 0.167*** 0.024 Yes
Homicide 4 (5) 0.309*** 0.255*** Yes

aAged 25–64 years.

bAged 65 years or older.

* P < .05; **P < .01; ***P < .001.

HHS Vulnerability Disclosure