Table 1

Sample covariates (sociodemographic and smoking characteristics) by smoking status*

Total sample
(N=14 358)
Current smokers
(N=13 767)
Quitters
(N=591)
p Value
Covariates
Mean (SEM) age50.7(0.57)50.6(0.39)50.7(0.93)0.937
Per cent (N) men95.2(13 596)95.2(13 048)95.2(548)0.997
Per cent (N) monthly household Income<0.001
 High (>¥3000)36.3(4996)35.8(4733)47.3(263)
 Medium (¥1000–¥3000)46.7(6211)47.1(5975)40.7(236)
 Low (<¥1000)16.8(2201)17.0(2132)11.8(69)
Per cent (N) married/cohabiting89.3(12 833)88.2(12 281)90.3(552)0.313
Per cent (N) education0.709
 Above high school20.3(3068)20.3(2934)19.7(134)
 High School66.0(9442)66.0(9103)60.8(339)
 Less than high school13.7(1800)13.6(1685)18.5(115)
Per cent (N) Han Chinese94.3(13 467)94.3(12 921)94.3(546)0.993
Per cent (N) city0.966
 Beijing14.6(2388)14.2(2284)19.2(104)
 Shenyang20.3(2368)20.4(2309)10.6(59)
 Shanghai14.0(2371)14.0(2301)12.1(70)
 Changsha15.2(2367)15.2(2261)13.8(106)
 Guangzhou18.1(2453)18.1(2341)19.2(112)
 Yinchuan17.7(2411)17.7(2271)24.5(140)
Mean (SEM) HSI2.29(0.06)2.42(0.04)2.16(0.11)0.022
  • *Please note that unweighted N are shown.

  • HSI, heaviness of smoking index.