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Table 4 Factors influencing county-level hospital ACS hospitalization rates among estimated uninsured populations, eight states, 2002

From: Association between community health center and rural health clinic presence and county-level hospitalization rates for ambulatory care sensitive conditions: an analysis across eight US states

  Children (ages 0 – 17) 249 counties Working age adults (ages 18 – 64) 571 counties
  Model Coefficient SE p-value Model Coefficient SE p-value
Facilities (ref: neither)       
   CHC Only -0.0778 0.2048 0.7042 -0.0089 0.0546 0.8702
   RHC Only -0.1159 0.1606 0.4706 -0.0315 0.0321 0.3266
   RHC&CHC 0.4973 0.2125 0.0193 0.0702 0.0579 0.2255
Resources in county:       
   MD/DO per 10,000 population -0.0002 0.0062 0.9760 0.0001 0.0018 0.9340
   Beds per 1,000 population 0.0106 0.0265 0.6878 0.0122 0.0045 0.0070
   Number of hospitals with Emergency Dept. 0.0130 0.0384 0.7355 0.0227 0.0094 0.0154
   HMO penetration rate -0.0088 0.0045 0.0518 -0.0014 0.0013 0.2761
   ED visits per 100 0.0040 0.0028 0.1605 0.0036 0.0005 < .0001
   Non-metropolitan county (v metro) -0.2756 0.1597 0.0843 -0.0549 0.0405 0.1761
Characteristics of county population       
   Percent population that is:       
African American -0.0043 0.0048 0.3724 0.0019 0.0011 0.0840
Hispanic white -0.0456 0.0280 0.1036 -0.0101 0.0025 < .0001
Asian 0.0710 0.0418 0.0898 -0.0096 0.0161 0.5527
American Indian/Native American 0.2141 0.0390 < .0001 -0.0056 0.0045 0.2193
   Population change, 1990 – 2000, % -0.0216 0.0072 0.0025 -0.0017 0.0014 0.2269
   Percent with less than high school education 0.0073 0.0104 0.4787 0.0401 0.0023 < .0001
   Population per square mile (/100) 0.0043 0.0013 0.0011 -0.0002 0.0006 0.6908
   Percent unemployed (/10) -0.7131 0.2180 0.0011 0.0884 0.0410 0.0310
   Percent uninsured* -0.0147 0.0139 0.2902 0.0006 0.0052 0.9095
   Median household income (thousands) -0.0241 0.0139 0.0819 -0.0011 0.0013 0.4113
Death rates (×10,000) for:       
   Cardiovascular disease 0.0031 0.0093 0.7412 0.0124 0.0023 < .0001
   Chronic obstructive pulmonary disease 0.0890 0.0444 0.0447 0.0090 0.0090 0.3194
   Diabetes -0.1353 0.0584 0.0206 0.0194 0.0126 0.1226
   Liver disease -0.3647 0.1294 0.0048 0.0620 0.0230 0.0070
  1. * Estimated percent uninsured among children (ages 0–17) in the model for children, among working age adults (ages 18–64) for the model for adults.