Table 1.
Participant demographic and descriptive characteristics by gender.
| Total (N = 2289) |
Male (N = 1176) |
Female (N = 1113) |
t-Test | |
|---|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (SD) | p-Value | |
| Age (yrs.) | 27.5 ± 12.0 | 26.8 ± 11.9 | 28.2 ± 12.1 | 0.008 |
| Height (cm) | 169.6 ± 9.1 | 176.1 ± 6.6 | 162.7 ± 5.8 | <0.001 |
| Weight (kg) | 64.3 ± 13.4 | 71.7 ± 12.7 | 56.6 ± 9.2 | <0.001 |
| Body Mass Index (BMI) (kg/m2) | 22.3 ± 3.6 | 23.1 ± 3.6 | 21.4 ± 3.5 | <0.001 |
| Number (Proportion) | n (%) | n (%) | n (%) | Chi-Squared p-value |
| Region | 0.902 | |||
| Shanghai | 676 (29.5) | 352 (29.9) | 324 (29.1) | |
| North China | 278 (12) | 135 (11.5) | 143 (12.8) | |
| South China | 491 (21.5) | 253 (21.5) | 238 (21.4) | |
| East China | 611 (27.0) | 315 (26.8) | 296 (26.6) | |
| Macao, Hongkong, Taiwan | 233 (10.0) | 121 (10.3) | 112 (10.1) | |
| Education | 0.003 | |||
| Under college | 251 (11.0) | 109 (9.3) | 142 (3.8) | |
| University | 1717 (75.0) | 887 (75.4) | 830 (74.6) | |
| Postgraduates and above | 321 (14.0) | 180 (15.3) | 141 (12.7) | |
| Marital Status | <0.001 | |||
| Single | 1565 (68.0) | 849 (72.2) | 716 (64.3) | |
| Married | 682 (30.0) | 313 (26.6) | 369 (33.2) | |
| Divorced or widowed | 42 (2.0) | 14 (1.2) | 28 (2.5) | |
| Vocation | <0.001 | |||
| Students | 1408 (62.0) | 769 (65.4) | 639 (57.4) | |
| Others | 881 (38.0) | 407 (34.6) | 474 (42.6) | |
| Work physical demanding | <0.001 | |||
| Light physical activity | 1513 (66.0) | 760 (64.6) | 753 (67.7) | |
| Moderate physical activity | 299 (13.0) | 120 (10.2) | 179 (16.1) | |
| Vigorous physical activity | 477 (21.0) | 296 (25.2) | 181 (16.3) | |
| Smoke | <0.001 | |||
| No | 2052 (90.0) | 960 (81.6) | 1092 (98.1) | |
| Yes | 180 (8.0) | 171 (14.5) | 9 (0.8) | |
| Quit | 57 (2.0) | 45 (3.8) | 12 (1.1) | |
| Drinking alcohol | <0.001 | |||
| No | 1811 (79.0) | 794 (67.5) | 1017 (91.4) | |
| Yes | 434 (19.0) | 349 (29.7) | 85 (7.6) | |
| Quit | 44 (2.0) | 33 (2.8) | 11 (1.0) |