Table 2. Demographics of participants (N = 4,582).
| Category | n | % |
|---|---|---|
| Gender | ||
| Male | 2,493 | 54 |
| Female | 2,040 | 45 |
| Not specified | 49 | 1 |
| Location | ||
| Anhui | 60 | 1 |
| Aomen | 3 | 0.10 |
| Beijing | 551 | 12 |
| Chongqing | 83 | 2 |
| Fujian | 115 | 3 |
| Gansu | 10 | 0.20 |
| Guangdong | 811 | 18 |
| Guangxi | 73 | 2 |
| Guizhou | 35 | 1 |
| Hainan | 25 | 1 |
| Hebei | 52 | 1 |
| Henan | 73 | 2 |
| Heilongjiang | 41 | 1 |
| Hong Kong | 21 | 1 |
| Hubei | 93 | 2 |
| Hunan | 51 | 1 |
| Inner Mongolia | 26 | 1 |
| Jilin | 34 | 1 |
| Jiangsu | 240 | 5 |
| Jiangxi | 46 | 1 |
| Liaoning | 99 | 2 |
| Ningxia | 6 | 0.10 |
| Qinghai | 2 | 0.04 |
| Shandong | 100 | 2 |
| Shanxi | 28 | 1 |
| Shaanxi | 79 | 2 |
| Shanghai | 646 | 14 |
| Sichuan | 227 | 5 |
| Taiwan | 4 | 0.10 |
| Tianjin | 54 | 1 |
| Tibet | 2 | 0.04 |
| Xinjiang | 19 | 0.40 |
| Yunnan | 59 | 1 |
| Zhejiang | 237 | 5 |
| International | 259 | 6 |
| Not specified | 318 | 7 |