Table 4.
Coefficients and odds ratios from logistic regression model for graduate school matriculation (N = 694)
| Variable | Model 1
|
Model 2
|
Model 3
|
Model 4
|
||||
|---|---|---|---|---|---|---|---|---|
| B | OR | B | OR | B | OR | B | OR | |
| Independent variable | ||||||||
| Program participation | .009 | 1.01*** | .008 | 1.01** | −.006 | .99 | .006 | 1.01 |
| Mediating variables | ||||||||
| Science identity salience | .105 | 1.11** | −.540 | .58 | ||||
| College GPA | .870 | 2.39** | −.311 | .73 | ||||
| Research experience | .019 | 1.02*** | .018 | 1.02*** | ||||
| Intention for STEM career | .056 | 1.06 | .057 | 1.06 | ||||
| Faculty mentor | .003 | 1.00 | .004 | 1.00 | ||||
| Science identity salience × college GPA | .193 | 1.21** | ||||||
| Control variables | ||||||||
| Parent has graduate degree (l = Yes) | .378 | 1.46 | .257 | 1.29 | .269 | 1.31 | ||
| Lower income family (l = Yes) | .421 | 1.52* | .357 | 1.43 | .362 | 1.44 | ||
| Siblings | .084 | 1.09 | .061 | 1.06 | .064 | 1.07 | ||
| English is first language (l = Yes) | −.189 | .83 | −.086 | .92 | −.071 | .93 | ||
| First generation student (l = Yes) | .104 | 1.11 | .143 | 1.15 | .111 | 1.12 | ||
| Took AP classes | .090 | 1.09 | .001 | 1.00 | .015 | 1.02 | ||
| Standardized test composite | .157 | 1.17 | .100 | 1.11 | .098 | 1.10 | ||
| Black | −.056 | .95 | .213 | 1.24 | .224 | 1.25 | ||
| Hispanic | −.152 | .86 | .102 | 1.11 | .092 | 1.10 | ||
| Female | −.076 | .93 | −.125 | .88 | −.119 | .89 | ||
| Natural science major (l = Yes) | .237 | 1.27 | .048 | 1.05 | .008 | 1.01 | ||
| Biological science major (l = Yes) | .075 | 1.08 | −.005 | 1.00 | −.014 | .99 | ||
| Mam/engineering major (l = Yes) | −.697 | .50 | −.828 | .44 | −.831 | .44 | ||
| Baseline intention for STEM career | .098 | 1.10 * | .025 | 1.03 | .025 | 1.03 | ||
| High school GPA | .290 | 1.34 | −.004 | 1.00 | .014 | 1.01 | ||
| Upper division student (l = Yes) | .378 | 1.46 | .411 | 1.51 | .431 | 1.54 | ||
Source The Science Study
*
p < .05;
**
p < .01;
***
p < .001