Table 3. Selected β Regression Results for the Rate of Eligible Donors per Donora.
| Characteristic | Eligible donors per donor | |
|---|---|---|
| Coefficient (SE) | P value | |
| Age group, y | ||
| 18-34 | Baseline | NA |
| 35-49 | −0.13 (0.02) | <.001 |
| 50-64 | −0.16 (0.02) | <.001 |
| 65-84 | −0.55 (0.03) | <.001 |
| Sex | ||
| Female | Baseline | NA |
| Male | −0.09 (0.02) | <.001 |
| Race/ethnicity | ||
| White | Baseline | NA |
| Black | 0.35 (0.02) | <.001 |
| Hispanic | 0.32 (0.03) | <.001 |
| Other | 0.31 (0.04) | <.001 |
| BMI | ||
| <30 | Baseline | NA |
| ≥30 | 0.02 (0.02) | .36 |
| Cause of death | ||
| Anoxia | Baseline | NA |
| Cerebrovascular causes/stroke | 0.21 (0.02) | <.001 |
| Central nervous system tumor | 0.48 (0.08) | <.001 |
| Head trauma | 0.14 (0.02) | <.001 |
| Other | −0.33 (0.05) | <.001 |
| Year | ||
| 2008-2009 | Baseline | NA |
| 2010-2011 | 0.003 (0.03) | .91 |
| 2012-2013 | −0.08 (0.03) | .003 |
| 2014-2015 | −0.11 (0.03) | <.001 |
| 2016-2017 | −0.10 (0.03) | <.001 |
| Intercept | 0.54 (0.07) | <.001 |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); NA, not applicable.
a
Coefficients are not shown for individual organ procurement organizations, although each organ procurement organization was included as a covariate. This analysis used a parameter significance level of α set to .05.