Table S1.
Zero-order correlations and descriptive statistics for major study variables
| Variable | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 1. Parental education | — | |||||||
| 2. 11th and 12th grade mathematics and science course-taking (semesters) | 0.22** | — | ||||||
| 3. Mathematics and science ACT score | 0.38*** | 0.30** | — | |||||
| 4. Perceived STEM value | 0.00 | 0.23** | 0.20* | — | ||||
| 5. College STEM course-taking (semesters) | 0.29* | 0.43*** | 0.39** | 0.49*** | — | |||
| 6. STEM career aspirations | 0.06 | 0.34*** | 0.20 | 0.60*** | 0.47*** | — | ||
| 7. College STEM major | 0.11 | 0.30** | 0.15 | 0.55*** | 0.48*** | 0.56*** | — | |
| 8. Perceived parental STEM support | 0.13 | 0.12 | 0.31** | 0.53*** | 0.28** | 0.34*** | 0.30*** | — |
| Mean | 15.42 | 7.85 | 24.55 | 5.50 | 5.86 | 61.70 | — | 5.93 |
| SD | 1.92 | 2.57 | 4.39 | 1.50 | 3.87 | 20.90 | — | 1.01 |
*
P < 0.05, **P < 0.01, ***P < 0.001. UV, utility value. Mean and SD are not reported for students’ college STEM major (40% STEM major and 60% non-STEM major) because it is a dichotomous measure with 1 indicating STEM major and 0 indicating not a STEM major.