| Model 1 (STEM vs. non-STEM) | Model 2 (math-intensive vs. less math-intensive) | ||
---|---|---|---|---|
 | β (SE) | p | β (SE) | p |
Research participation ON | Â | Â | Â | Â |
 Parental educational level | 0.127 (0.033) |  < 0.0001 | 0.129 (0.045) | 0.004 |
 STEM teacher as mentor | 0.226 (0.031) |  < 0.0001 | 0.130 (0.045) | 0.004 |
 Peer belonging | 0.015 (0.032) | 0.649 | 0.061 (0.046) | 0.183 |
STEM major ON | Â | Â | Â | Â |
 Parental educational level | 0.113 (0.032) |  < 0.0001 | 0.022 (0.047) | 0.642 |
 STEM teacher as mentor | 0.270 (0.031) |  < 0.0001 | 0.054 (0.048) | 0.254 |
 Peer belonging | − 0.050 (0.032) | 0.119 | − 0.114 (0.048) | 0.017 |
 Research participation | 0.166 (0.041) |  < 0.0001 | − 0.076 (0.060) | 0.204 |