dc016 // I Was Happy| dataset | charls2018 · 中国健康与养老追踪调查 2018 |
| type | categorical |
| role | |
| data file | |
| keywords |
| code | meaning |
|---|---|
1 | Rarely or None (<1 Day) |
2 | Some or A Little (1-2 Days) |
3 | Occasionally or Moderate Amount of Time (3-4 Days) |
4 | Most of the Time (5-7 Days) |
8 | Don't Know |
9 | Refused |