Table 5 Descriptive statistics for STEMM high and middle-skill careers and non-STEMM high and middle-skill careers
Variable categories | Predictor and control variables | Variable status | STEMM high-skill | STEMM middle-skill | Non-STEMM high-skill | Non-STEMM middle-skill |
|---|---|---|---|---|---|---|
Unweighted sample sizea | 750 | 170 | 3140 | 1130 | ||
Family variables | Parents married | Yes | 94% | 86% | 89% | 82% |
No | 6% | 14% | 11% | 18% | ||
Parent has degree | Yes | 55% | 28% | 54% | 25% | |
No | 45% | 72% | 46% | 75% | ||
Parents US born | Yes | 83% | 83% | 89% | 91% | |
No | 17% | 17% | 11% | 9% | ||
Low income | Yes | 11% | 29% | 14% | 28% | |
No | 89% | 71% | 86% | 72% | ||
Parent expects college graduation | Yes | 89% | 72% | 93% | 75% | |
No | 11% | 28% | 7% | 25% | ||
Student demographics | Gender | Male | 56% | 80% | 43% | 61% |
Female | 44% | 20% | 57% | 39% | ||
Native language | English | 92% | 90% | 95% | 94% | |
Non-English | 8% | 10% | 5% | 6% | ||
Underrepresented minority | Yes | 10% | 24% | 9% | 15% | |
No | 90% | 76% | 91% | 85% | ||
Student academic characteristics | Took advanced math | Yes | 19% | 9% | 10% | 2% |
No | 81% | 91% | 90% | 98% | ||
Took advanced science | Yes | 58% | 24% | 40% | 16% | |
No | 42% | 76% | 60% | 84% | ||
Wants to be scientist or engineer | Yes | 17% | 10% | 8% | 5% | |
No | 83% | 90% | 92% | 95% | ||
Attitude toward math | (s.e.) | .140 (.030) | .091 (.060) | .017 (.016) | −.032 (.025) | |
Attitude toward science | (s.e.) | .163 (.034) | .099 (.074) | .002 (.017) | −.013 (.029) | |
Student achievement | Composite score | (s.e.) | 58.97 (.530) | 52.16 (1.09) | 57.20 (.318) | 48.78 (.654) |
Science IRT | (s.e.) | 50.89 (.640) | 48.38 (.937) | 49.31 (.243) | 43.85 (.618) | |
Student dispositional characteristics | Self-concept | (s.e.) | .149 (.020) | .149 (.063) | .157 (.015) | 0.01 (.029) |
Locus of control | (s.e.) | .178 (.025) | .232 (.076) | .144 (.021) | 0.03 (.037) | |
Good school behaviors | (s.e.) | .135 (.027) | − .222 (.059) | .142 (.017) | − 0.27 (.045) | |
Expects to graduate college | Yes | 90% | 71% | 92% | 67% | |
No | 10% | 29% | 8% | 33% | ||