Table 3 Demographic features of various classes (n = 1221).
Basic Information | Overall (n = 1221) | Class 1 (n = 678) | Class 2 (n = 374) | Class 3 (n = 168) | x2/F | p |
---|---|---|---|---|---|---|
Age | 19.57 ± 1.56 | 19.56 ± 1.58 | 19.55 ± 1.43 | 19.70 ± 1.72 | 0.597 | 0.550 |
Gender (male) | 46.19% | 48.53% | 40.11% | 50.30% | 8.202 | 0.017 |
BMI (kg/m2) | 21.95 ± 4.39 | 21.99 ± 4.51 | 21.77 ± 4.15 | 22.19 ± 4.45 | 0.608 | 0.545 |
Registered residence (city) | 57.49% | 60.91% | 52.41% | 55.03% | 7.627 | 0.022 |
Only child (yes) | 54.63% | 50.29% | 59.63% | 60.95% | 11.627 | 0.003 |
Single parent family (yes) | 8.52% | 7.67% | 8.82% | 11.24% | 2.281 | 0.320 |
Drinking habit (yes) | 20.72% | 10.48% | 20.86% | 27.81% | 6.575 | 0.037 |
Smoking habit (yes) | 3.11% | 3.24% | 2.41% | 4.14% | 1.252 | 0.535 |
Family relations | 42.211 | < 0.001 | ||||
Amiable | 48.48% | 56.19% | 37.97% | 40.83% | ||
Normal | 43.98% | 38.64% | 52.41% | 46.75% | ||
Regular conflicts | 7.53% | 5.16% | 9.63% | 12.43% | ||
Study pressure | 35.821 | < 0.001 | ||||
Easy | 20.15% | 25.37% | 14.17% | 12.43% | ||
Normal | 58.15% | 57.23% | 60.43% | 56.80% | ||
Hard | 21.70% | 17.40% | 25.40% | 30.77% | ||
Interpersonal relationships | 65.076 | < 0.001 | ||||
Good | 76.00% | 84.51% | 64.17% | 68.05% | ||
Normal | 22.28% | 14.16% | 32.89% | 31.36% | ||
Bad | 1.72% | 1.33% | 2.94% | 0.06% | ||
Social activities | 12.577 | 0.014 | ||||
> 3times/week | 4.01% | 4.72% | 2.67% | 4.14% | ||
≤ 3times/week | 79.69% | 81.86% | 78.61% | 73.37% | ||
Almost 0 | 16.30% | 13.42% | 18.72% | 22.49% |