Table 2.
Distribution (%) of students by weight status, weight perception, satisfaction with body weight and weight control in 2000, 2010 and 2017.
| Variables | Males | Females | ||||||
|---|---|---|---|---|---|---|---|---|
| Study Years | Study Years | |||||||
| 2000 | 2010 | 2017 |
p-Value (χ2 Test) |
2000 | 2010 | 2017 |
p-Value (χ2 Test) |
|
| Actual weight status | ||||||||
| Underweight | 3.8 * | 2.8 * | 4.0 * | <0.001 | 11.4 a | 17.1 b | 12.9 | <0.001 |
| Normal weight | 84.8 ab | 78.5 b | 71.6 * | 83.3 ab | 76.9 | 77.5 | ||
| Overweight | 10.9 *ab | 18.1 * | 20.7 * | 4.7 b | 5.7 | 7.7 | ||
| Obese | 0.4 b | 0.6 b | 3.6 * | 0.5 b | 0.3 b | 1.9 | ||
| Perceived weight status | ||||||||
| Too thin | 23.9 *b | 28.2 * | 31.0 * | <0.001 | 9.5 | 8.8 | 8.1 | 0.606 |
| Just right | 63.7 b | 61.1 *b | 48.9 * | 67.8 | 70.5 | 68.0 | ||
| Too fat | 12.5 *b | 10.7 *b | 20.1 | 22.7 | 20.7 | 23.9 | ||
| Accuracy of weight perception | ||||||||
| Correct | 60.2 | 56.4 ** | 56.3 * | 0.402 | 64.9 b | 69.7 | 72.5 | 0.014 |
| Incorrect | 39.8 | 43.6 * | 43.7 * | 35.1 b | 30.3 | 27.5 | ||
| Satisfaction with body weight | ||||||||
| Satisfied | - | 79.3 *b | 71.0 * | 0.007 | - | 66.7 | 64.1 | 0.314 |
| Dissatisfied | - | 20.7 *b | 29.0 * | - | 33.3 | 35.9 | ||
| Worries about gaining weight | ||||||||
| Worried | - | 8.2 * | 9.8 * | 0.441 | - | 38.9 | 40.7 | 0.489 |
| Not worried | 91.8 * | 90.2 * | - | 61.1 | 59.3 | |||
| Trying to lose weight | ||||||||
| Yes | - | 21.0 * | 22.2 * | 0.729 | - | 44. | 47.8 | 0.239 |
| No | 79.0 * | 77.8 * | 55.4 | 52.2 | ||||
* p < 0.05 compared with female students; a p < 0.05 compared with 2010 study year, b p < 0.05 compared with 2017 study year (z-test with Bonferroni correction for multiple comparisons).