Table 1.
Baseline characteristics of the distressing and non-distressing groups
| Distressing group (n=3180) |
Non-distressing group (n=9798) |
||||
|---|---|---|---|---|---|
| Characteristics | n | Per cent | n | Per cent | p Value |
| Region | p<0.001 | ||||
| Rural | 1575 | 49.5 | 4079 | 41.6 | |
| Urban | 1605 | 50.5 | 5719 | 58.4 | |
| Gender | p<0.001 | ||||
| Male | 723 | 22.7 | 3154 | 32.2 | |
| Female | 2457 | 77.3 | 6644 | 67.8 | |
| Age (years, mean (SD)) | 46.7±13.7 | 46±13.3 | 0.941 | ||
| BMI | p<0.001 | ||||
| Normal | 1680 | 52.9 | 4737 | 48.3 | |
| Underweight | 201 | 6.3 | 562 | 5.7 | |
| Overweight | 920 | 28.9 | 3081 | 31.4 | |
| Obesity | 379 | 11.9 | 1417 | 14.5 | |
| Education | p<0.001 | ||||
| Primary school and below | 908 | 28.5 | 1983 | 20.2 | |
| Junior middle school | 941 | 29.6 | 2836 | 28.9 | |
| Senior middle school | 761 | 23.9 | 2614 | 26.7 | |
| Undergraduate and above | 570 | 17.9 | 2364 | 24.1 | |
| Occupation | p<0.05 | ||||
| Intelligence | 739 | 23.2 | 2794 | 28.5 | |
| Manual | 1684 | 53.0 | 4684 | 47.8 | |
| Retired | 247 | 7.8 | 1088 | 11.1 | |
| Others | 509 | 16.0 | 1232 | 12.6 | |
| Marriage status | p<0.001 | ||||
| Married | 2470 | 77.7 | 7923 | 80.9 | |
| Single | 497 | 15.6 | 1411 | 14.4 | |
| Divorced/separated | 49 | 1.5 | 128 | 1.3 | |
| Widowed | 164 | 5.1 | 336 | 3.4 | |
| Drink | p<0.05 | ||||
| Yes | 600 | 18.9 | 2021 | 20.6 | |
| No | 2580 | 81.1 | 7778 | 79.4 | |
| Family monthly income per capita (RMB) | p<0.001 | ||||
| <500 | 663 | 20.8 | 1312 | 13.4 | |
| 500–999 | 572 | 18.0 | 1638 | 16.7 | |
| 1000–1999 | 1083 | 34.1 | 3523 | 36.0 | |
| 2000–2999 | 573 | 18.0 | 2165 | 22.1 | |
| >3000 | 289 | 9.1 | 1160 | 11.8 | |
Values for certain characteristics may not be equal to the total number of participants in the distressing and non-distressing groups because of missing data and complex weighted computation.
BMI, body mass index.