Table 4
Wave 2 retention rates and replenishment sample sizes for non-smokers
City
Shenyang
Shanghai
Yinchuan
Changsha
Beijing
Guangzhou
Wave 1 n
196
204
214
203
218
224
Lost
24
17
34
45
8
75
Retained
172 (87.8)
187 (91.7)
180 (84.1)
158 (77.8)
210 (96.3)
149 (66.5)
Replenished
22
17
24
25
7
60