Waves 2 and 3 cross-sectional sample sizes for adult non-smokers
| City | Wave 2 cross-sectional Sample | Wave 3 (i) recontact | Wave 3 (ii) replenishment |
|---|---|---|---|
| Beijing | 218 | 211 | 6 |
| Shenyang | 198 | 170 | 29 |
| Shanghai | 204 | 186 | 18 |
| Changsha | 185 | 168 | 36 |
| Guangzhou | 211 | 181 | 25 |
| Yinchuan | 205 | 172 | 20 |
| Kunming | NA | NA | 195 |
NA, not applicable.