| Variable | Odds ratio | 95% CI | p-value |
|---|---|---|---|
| Efficient | 18.0 | 4.5–72.8 | 0.000 |
| Sustainable | 17.7 | 3.4–91.4 | 0.001 |
| Likeable | 9.3 | 3.2–26.6 | 0.000 |
| Motivating | 7.8 | 1.8–34.4 | 0.006 |
| Less constraint | 4.5 | 1.9–10.7 | 0.001 |
| Grades | 4.1 | 1.6–10.6 | 0.004 |
| Suitable for exam | 4.0 | 1.3–12.1 | 0.014 |
| Good communication | 2.4 | 1.0–5.7 | 0.044 |