Table 3:
Two-part regression model: Incremental effects of OOP burden ratio for people with kidney disease!
| Variables | Incremental Effect | 95% Cl | P-value |
|---|---|---|---|
| Covariates | |||
| Age 18–44 | -- | -- | -- |
| Age 45–64 | 0.009* | −0.001–0.015 | 0.022 |
| Male | -- | -- | -- |
| Female | 0.005 | −0.001 – 0.011 | 0.076 |
| Non-Hispanic White | -- | -- | -- |
| Non-Hispanic Black | −0.012** | −0.020 – 0.004 | 0.002 |
| Hispanic | −0.016** | −0.025 – −0.006 | 0.002 |
| Others | −0.011 | −0.024 – 0.0004 | 0.059 |
| Married | -- | -- | -- |
| Non-married+ | 0.001 | −0.007 – 0.008 | 0.830 |
| Never married | 0.008 | −0.002 – 0.018 | 0.118 |
| <High school | -- | -- | -- |
| High school | 0.003 | −0.004 – 0.010 | 0.410 |
| College or more | 0.008 | −0.0001 – 0.016 | 0.052 |
| Private | -- | -- | -- |
| Public insured | −0.006 | −0.014 – 0.003 | 0.177 |
| Uninsured | 0.017** | 0.005 – 0.028 | 0.005 |
| Non-MSA | -- | -- | -- |
| MSA | 0.003 | −0.004 – 0.010 | 0.399 |
| Northeast | -- | -- | -- |
| Midwest | −0.008 | −0.019 – 0.002 | 0.113 |
| South | 0.002 | −0.008 – 0.012 | 0.668 |
| West | 0.001 | −0.011 – 0.012 | 0.910 |
| Poor/NEA | -- | -- | -- |
| Low Income | −0.050*** | −0.071 – −0.029 | <0.001 |
| Middle Income | −0.080*** | −0.101 – −0.059 | <0.001 |
| High Income | −0.098*** | −0.118 – −0.076 | <0.001 |
| No Diabetes | -- | -- | -- |
| Diabetes | 0.017*** | 0.008 – 0.027 | <0.001 |
| No hypertension | -- | -- | -- |
| Hypertension | 0.009** | 0.002 – 0.015 | 0.007 |
| No CVD | -- | -- | -- |
| CVD | 0.019*** | 0.011 – 0.027 | <0.001 |
| No emphysema | -- | -- | -- |
| Emphysema | −0.009 | −0.028 – 0.010 | 0.362 |
| No joint pain | -- | -- | -- |
| Joint pain | 0.009** | 0.003 – 0.016 | 0.003 |
| No arthritis | -- | -- | -- |
| Arthritis | 0.004 | −0.003 – 0.011 | 0.213 |
| No asthma | -- | -- | -- |
| Asthma | 0.008 | −0.001 – 0.018 | 0.086 |
| Year 2002/03 | -- | -- | -- |
| Year 2004/05 | −0.0008 | −0.009 – 0.007 | 0.840 |
| Year 2006/07 | −0.009 | −0.018 – 0.0007 | 0.070 |
| Year 2008/09 | −0.015*** | −0.023 – −0.007 | <0.001 |
| Year 2010/11 | −0.022*** | −0.031 – −0.014 | <0.001 |
*
Level of significance p< 0.05;
**
level of significance p<0.01,
***
level of significance p < 0.001
+
Non-married stands for widowed/divorced and separated.
!
Cost is adjusted in 2014 dollar