Table 2.
Variable | M(SD) | M(SD) | M(SD) | M(SD) |
Age, in years | 18.3 (2.03) | 20.8 (2.23) | 22.8(2.18) | 24.5 (2.06) |
Class (n, %) | ||||
1 (571,68.5%) | 5.2 (3.32) | 6.6 (3.84) | 6.7 (3.72) | 5.7 (3.20) |
2 (123, 14.8%) | 8.6 (3.55) | 15.8 (5.82) | 16.1 (5.83) | 17.5 (5.09) |
3 (86, 10.3%) | 18.0(3.95) | 11.9(4.96) | 10.5(4.18) | 9.3 (3.64) |
4 (53, 6.4%) | 20.7 (4.07) | 22.0 (3.76) | 21.9(4.00) | 18.4(5.84) |