City | Wave 1 sample | Wave 2 recontacts | Wave 3 recontacts |
---|---|---|---|
Beijing | 746 | 674 (90.3%) | 600 (80.4%) |
Shenyang | 740 | 553 (74.7%) | 352 (47.6%) |
Shanghai | 765 | 686 (89.7%) | 596 (77.9%) |
Changsha | 732 | 591 (80.7%) | 511 (69.8%) |
Guangzhou | 746 | 525 (70.4%) | 438 (58.7%) |
Yinchuan | 772 | 642 (83.2%) | 482 (62.4%) |
Total | 4501 | 3671 (81.6%) | 2979 (66.2%) |