Table 2 Selected sample characteristics
From: Prevalence and correlates of positive mental health in Chinese adolescents
Characteristic | na | % |
|---|---|---|
Gender | ||
 Female | 2757 | 53.1 |
 Male | 2437 | 46.9 |
Grade | ||
 8 | 3044 | 56.4 |
 10 | 2355 | 43.6 |
Sibling | ||
 0 | 4069 | 76.3 |
 1 or more | 1263 | 23.7 |
Family form | ||
 Living with both parents | 4595 | 87.0 |
 Others | 687 | 13.0 |
Perceived family economy | ||
 Poor | 843 | 16.2 |
 Moderate | 2212 | 42.5 |
 Wealthy | 2144 | 41.2 |
Collection method | ||
 Answering at school | 2756 | 51.0 |
 Answering at home | 2643 | 49.0 |
BMI | ||
 Thinness | 1719 | 34.0 |
 Normal | 2808 | 55.6 |
 Overweight/obesity | 526 | 10.4 |
Satisfaction of self-weight | ||
 Dissatisfied | 1361 | 25.2 |
 Moderate | 1413 | 26.2 |
 Satisfied | 2619 | 48.6 |
Satisfaction of self-appearance | ||
 Dissatisfied | 558 | 10.4 |
 Moderate | 1963 | 36.4 |
 Satisfied | 2868 | 53.2 |
Sleep quality | ||
 Poor | 2227 | 45.2 |
 Good | 2695 | 54.8 |
Physical activity | ||
 Low level | 2531 | 48.2 |
 High level | 2716 | 51.8 |
Stress | ||
 Never or rare | 4437 | 85.5 |
 Often | 751 | 14.5 |
Total screen time | ||
 Up to 6 h per day | 5148 | 95.4 |
 6.5 or more hours per day | 251 | 4.6 |
Smoking habit | ||
 Never smoke | 4906 | 93.0 |
 Smoking or used to smoke | 367 | 7.0 |
Drinking alcohol | ||
 Never | 3894 | 73.7 |
 Occasionally or often | 1393 | 26.3 |
Social trust | ||
 Low | 2900 | 56.8 |
 High | 2208 | 43.2 |
Desire to learn | ||
 Weak | 2272 | 43.8 |
 Strong or moderate | 2911 | 56.2 |
Teacher’s support | ||
 Low | 1896 | 37.0 |
 High | 3222 | 63.0 |
Parents’ support | ||
 Low | 2742 | 53.3 |
 High | 2406 | 46.7 |
Bullied at school | ||
 Never | 3001 | 58.2 |
 Occasionally or often | 2156 | 41.8 |
Total | 5399 | 100 |