Table 4 Full Multivariate model
From: Geographic disparities in the risk of perforated appendicitis among children in Ohio: 2001–2003
Covariates | Name | coefficient | Odds Ratio | 95 lower | 95 upper | P-value |
|---|---|---|---|---|---|---|
LEVEL ONE | ||||||
Intercept | theta0 | -2.043 | 0.130 | 0.096 | 0.174 | 0.000 |
Age & Sex | ||||||
Females 2 – 4 | theta1 | 1.634 | 5.125 | 3.254 | 8.072 | 0.000 |
Females 5 – 9 | theta2 | 0.639 | 1.896 | 1.475 | 2.436 | 0.000 |
Females 10 – 14 | theta3 | 0.658 | 1.931 | 1.564 | 2.385 | 0.000 |
Females 15–20 (reference) | 1 | |||||
Males 2–4 | theta4 | 1.577 | 4.843 | 3.030 | 7.740 | 0.000 |
Males 5–9 | theta5 | 0.919 | 2.508 | 2.013 | 3.125 | 0.000 |
Males 10–14 | theta6 | 0.691 | 1.997 | 1.649 | 2.417 | 0.000 |
Males 15–20 | theta7 | 0.532 | 1.703 | 1.413 | 2.053 | 0.000 |
Complications (binary) | ||||||
Other infection | theta8 | 1.889 | 6.611 | 5.392 | 8.106 | 0.000 |
Digestive Disorder | theta9 | 0.775 | 2.170 | 1.835 | 2.566 | 0.000 |
Pregnancy | theta10 | -1.173 | 0.310 | 0.189 | 0.508 | 0.000 |
Congenital Digestive | theta11 | -0.717 | 0.488 | 0.234 | 1.020 | 0.056 |
Insurance | ||||||
Medicaid insurance | theta12 | -0.006 | 0.994 | 0.796 | 1.242 | 0.960 |
HMO insurance | theta13 | -0.135 | 0.874 | 0.691 | 1.105 | 0.262 |
Other insurance | theta14 | -0.023 | 0.977 | 0.740 | 1.290 | 0.870 |
Private insurance | theta15 | -0.051 | 0.951 | 0.776 | 1.165 | 0.625 |
Self insured (reference) | 1 | |||||
LEVEL TWO | ||||||
ZIP code of residence | b00 | 0.316 | ||||
Deprivation index | G01 | 0.035 | 1.036 | 0.969 | 1.107 | 0.301 |
Appendectomy rate | G04 | 0.009 | 1.009 | 0.997 | 1.022 | 0.135 |
Rural – Urban Area | G02 | 0.737 | 2.090 | 1.038 | 4.209 | 0.039 |
Rural – Urban Cluster | G03 | 0.374 | 1.453 | 0.955 | 2.212 | 0.081 |
Other RUCA | 1 | |||||
OHA Hospital | c00 | 0.000 | ||||
Children's Hospital | B05 | 0.640 | 1.896 | 1.243 | 2.894 | 0.003 |
JCAHO accreditation | B01 | 0.152 | 1.164 | 0.942 | 1.438 | 0.158 |
Critical Access designation | B02 | -0.009 | 0.991 | 0.708 | 1.388 | 0.959 |
Total number of appendectomies | B03 | -0.001 | 0.999 | 0.998 | 1.001 | 0.347 |
Located in small town | B04 | -0.150 | 0.861 | 0.607 | 1.22 | 0.400 |
Percent of app. with other infection | B06 | 0.000 | 1.000 | 0.989 | 1.012 | 0.985 |