| Demographic characteristics and Household Analysis | |
| Age | 19 - 30 years |
| 31 - 45 years | |
| 46 - 55 years | |
| Over 56 years | |
| Gender | Female |
| Male | |
| Income Category (per calendar month) | less than 5000 RMB per month |
| 5000 to 10,000 RMB per month | |
| 10,000 or 25,000 RMB per month | |
| More than 25,000 RMB per month | |
| Household structure | 1 - 2 people (Single or Couple) |
| 3 - 4 people (often Couple and children) | |
| 5 - 7 people (often Couple, children and parents, or shared household) | |
| 8+ people (either extended family, or shared household) | |
| Education level | Primary or less |
| Secondary | |
| Junior college | |
| Bachelor and above | |