Table 1.
General characteristics of the participants.
| Variables | N | Male (n%) | Female (n%) | χ2 | p | |
|---|---|---|---|---|---|---|
| Total | 1301 | 508 (39.0%) | 793 (61.0%) | |||
| Age | 29.858 | 0.000 | ||||
| ≤18 years | 195 (15.2%) | 53 (27.2%) | 142 (72.8%) | |||
| 19 years | 598 (46.6%) | 213 (35.6%) | 385 (64.4%) | |||
| 20 years | 373 (29.0%) | 173 (46.4%) | 200 (53.6%) | |||
| ≥21 years | 118 (9.2%) | 60 (50.8%) | 58 (49.2%) | |||
| Registered residence | 0.209 | 0.647 | ||||
| Urban | 694 (53.3%) | 275 (39.6%) | 419 (60.4%) | |||
| Rural | 607 (46.7%) | 233 (38.4%) | 374 (61.6%) | |||
| Only child | 12.241 | 0.000 | ||||
| Yes | 595 (45.7%) | 263 (44.2%) | 332 (55.8%) | |||
| No | 706 (54.3%) | 245 (34.7%) | 461 (65.3%) | |||
| Major | 68.661 | 0.000 | ||||
| Liberal arts | 179 (13.8%) | 27 (15.1%) | 152 (84.9%) | |||
| Science and technology | 840 (64.6%) | 390 (46.4%) | 450 (53.6%) | |||
| Medicine | 160 (12.3%) | 48 (30.0%) | 112 (70.0%) | |||
| Others | 122 (9.4%) | 43 (35.2%) | 79 (64.8%) | |||
| Monthly expenditure | 13.323 | 0.004 | ||||
| ≤500 RMB | 20 (1.6%) | 15 (75.0%) | 5 (25.0%) | |||
| 500–1000 RMB | 265 (20.7%) | 109 (41.1%) | 156 (58.9%) | |||
| 1000–2000 RMB | 897 (69.9%) | 343 (38.2%) | 554 (61.8%) | |||
| >2000 RMB | 101 (7.9%) | 33 (32.7%) | 68 (67.3%) | |||
| BMI | 64.888 | 0.000 | ||||
| Underweight | 158 (16.1%) | 41 (25.9%) | 117 (74.1%) | |||
| Normal | 673 (68.7%) | 238 (35.4%) | 435 (64.6%) | |||
| Overweight | 114 (11.6%) | 81 (71.1%) | 33 (28.9%) | |||
| Obesity | 34 (3.5%) | 15 (44.1%) | 19 (55.9%) | |||
| Physical activity | 13.266 | 0.001 | ||||
| Low | 276 (21.2%) | 104 (37.7%) | 172 (62.3%) | |||
| Median | 793 (61.0%) | 289 (36.4%) | 504 (63.6%) | |||
| High | 232 (17.8%) | 115 (49.6%) | 117 (50.4%) | |||
| Perceived stress | 1.232 | 0.267 | ||||
| Yes | 73 (5.6%) | 33 (45.2%) | 40 (54.8%) | |||
| No | 1228 (94.4%) | 475 (38.7%) | 753 (61.3%) | |||
| Anxiety symptoms | 0.286 | 0.593 | ||||
| Yes | 159 (12.2%) | 59 (37.1%) | 100 (62.9%) | |||
| No | 1142 (87.8%) | 449 (39.3%) | 693 (60.7%) | |||
| Depressive symptoms | 3.336 | 0.068 | ||||
| Yes | 242 (18.6%) | 107 (44.2%) | 135 (55.8%) | |||
| No | 1059 (81.4%) | 401 (30.8%) | 658 (50.6%) | |||
| Perception of body weight | 92.096 | 0.000 | ||||
| Underestimate | 100 (10.3%) | 73 (73.0%) | 27 (27.0%) | |||
| Correct | 601 (61.7%) | 244 (40.6%) | 357 (59.4%) | |||
| Overestimate | 273 (28.0%) | 54 (19.8%) | 219 (80.2%) | |||
| Satisfaction with body image | 13.259 | 0.000 | ||||
| Satisfied | 499 (38.4%) | 226 (45.3%) | 273 (54.7%) | |||
| Not satisfied | 802 (61.6%) | 282 (35.2%) | 520 (64.8%) | |||
Chi-square test was performed to compare the groups. BMI: body mass index; RMB: Renminbi, Chinese official coupons, 1 RMB ≈ 0.16 USD.