Table 8.
Blinder-Oaxaca decomposition of difference in mean retention rate between 2017 & 2004, full results
| (1) | (2) | (3) | (4) | (5) | (6) | |
|---|---|---|---|---|---|---|
| 2004 | 2017 | Differential | Composition effects | Rate effects | Interaction | |
| Percent need-based grant recipients | 0.003 | − 0.007 | 0.041 | − 0.430 | − 0.135 | |
| (0.025) | (0.023) | (0.336) | (1.458) | (0.459) | ||
| Percent part-time, FTF | − 0.230*** | − 0.142*** | 0.739*** | 3.281** | − 0.283* | |
| (0.022) | (0.017) | (0.211) | (1.072) | (0.119) | ||
| Percent female, FTF | 0.018 | − 0.195*** | − 0.057 | − 11.41*** | 0.678** | |
| (0.046) | (0.036) | (0.149) | (3.173) | (0.207) | ||
| Percent Black, FTF | − 0.065** | − 0.106*** | 0.0021 | − 0.589 | 0.001 | |
| (0.023) | (0.019) | (0.051) | (0.434) | (0.033) | ||
| Percent Latinx, FTF | 0.025 | -0.022 | 0.235 | − 0.471 | − 0.435 | |
| (0.026) | (0.016) | (0.238) | (0.305) | (0.284) | ||
| Percent Asian, FTF | 0.043 | 0.005 | − 0.015 | − 0.132 | 0.013 | |
| (0.045) | (0.054) | (0.022) | (0.253) | (0.028) | ||
| Percent Native, FTF | − 0.336*** | − 0.154*** | 0.050 | 0.437** | − 0.027 | |
| (0.040) | (0.030) | (0.153) | (0.134) | (0.082) | ||
| Percent first-time freshmen (FTF) | 0.093** | 0.129*** | − 0.012 | 0.833 | − 0.004 | |
| (0.036) | (0.036) | (0.046) | (1.212) | (0.018) | ||
| Enrollment (FTE), logged | 1.835*** | 1.806*** | 0.040 | − 0.228 | − 0.001 | |
| (0.489) | (0.367) | (0.087) | (4.766) | (0.013) | ||
| Tuition | − 1.168*** | − 1.057*** | − 0.444*** | 0.806 | 0.042 | |
| (0.266) | (0.236) | (0.129) | (2.581) | (0.135) | ||
| Percent loan recipients | 0.004 | − 0.066*** | 0.0322 | − 1.050* | − 0.486* | |
| (0.025) | (0.015) | (0.170) | (0.438) | (0.212) | ||
| Student-faculty ratio | − 0.149* | − 0.136* | 0.084 | 0.255 | − 0.007 | |
| (0.061) | (0.059) | (0.055) | (1.650) | (0.048) | ||
| Adjunct share of instructional staff | − 0.012 | − 0.016* | 0.015 | − 0.271 | 0.005 | |
| (0.011) | (0.008) | (0.024) | (0.905) | (0.018) | ||
| Instructional spending/FTE, logged | 0.385 | 1.270* | 0.549 | 6.484 | 1.259 | |
| (0.625) | (0.584) | (0.891) | (6.275) | (1.222) | ||
| Academic support/FTE, logged | 0.349 | − 0.719 | 0.434 | − 6.188 | − 1.326 | |
| (0.472) | (0.370) | (0.586) | (3.473) | (0.750) | ||
| Student services/FTE, logged | − 0.153 | − 0.550 | − 0.206 | − 2.391 | − 0.537 | |
| (0.646) | (0.562) | (0.872) | (5.153) | (1.157) | ||
| Scholarships/FTE, logged | − 0.602** | 0.140 | − 0.773** | 4.074** | 0.953** | |
| (0.194) | (0.175) | (0.258) | (1.435) | (0.346) | ||
| County unemployment rate | − 0.062 | − 0.280 | 0.0612 | − 1.361 | 0.213 | |
| (0.218) | (0.182) | (0.214) | (1.774) | (0.279) | ||
| Retention 2017 | 54.64*** | |||||
| (0.304) | ||||||
| Retention 2004 | 50.29*** | |||||
| (0.386) | ||||||
| Difference | 4.352*** | |||||
| (0.491) | ||||||
| Total | 0.775 | 3.653*** | − 0.076 | |||
| (0.611) | (0.852) | (0.926) | ||||
| Constant | 54.44*** | 66.45*** | 12.00 | |||
| (5.041) | (5.594) | (7.530) | ||||
| Observations | 833 | 833 | 1,666 | 1,666 | 1,666 | 1,666 |
| R-squared | 0.251 | 0.289 |
Source: IPEDS; *p < 0.05, **p < 0.01, ***p < 0.001