Table 1.
Demographic information of the participants (N = 522)
| Variables | Categories/range | % or M (SD) |
|---|---|---|
| Age (years) | 18–30 | 26.6% |
| 31–49 | 62.1% | |
| 50 and above | 11.3% | |
| Gender | Male | 49.8% |
| Female | 50.2% | |
| Education | Less than high school | 5.4% |
| High school | 10.2% | |
| Some college or technical school degree | 13.9% | |
| College and above | 70.5% | |
| Monthly income | CNY1999 and less | 3.6% |
| CNY 2000 to CNY3999 | 10.2% | |
| CNY 4000 to CNY5999 | 12.3% | |
| CNY 6000 to CNY7999 | 40.4% | |
| CNY 8000 to CNY9999 | 24.3% | |
| CNY 10,000 and above | 9.2% | |
| General health status | 1 (poor) to 5 (excellent) | 4.20 (.55) |