Table 1

Unweighted sample characteristics for the six Chinese cities in the ITC China Survey

FactorBeijing (n=785)Shenyang (n=781)Shanghai (n=784)Changsha (n=800)Yinchuan (n=791)Guangzhou (n=791)Overall (n=4732)
No (%)No (%)No (%)No (%)No (%)No (%)No (%)
Gender
Male743 (94.6)741 (94.9)765 (97.6)732 (91.5)772 (97.6)746 (94.3)4499 (95.1)
Female42 (5.4)40 (5.1)19 (2.4)68 (8.5)19 (2.4)45 (5.7)233 (4.9)
Age (years)
18–39120 (15.3)111 (14.2)89 (11.3)201 (25.1)258 (32.6)118 (14.9)897 (19.0)
40–54373 (47.5)456 (58.4)456 (58.2)362 (45.3)343 (43.4)348 (44.0)2338 (49.4)
55+292 (37.2)214 (27.4)239 (30.5)237 (29.6)190 (24.0)325 (41.1)1497 (31.6)
Ethnicity
Other42 (5.4)40 (5.1)11 (1.4)11 (1.4)125 (15.8)6 (0.8)235 (5.0)
Han*743 (94.6)741 (94.9)773 (98.6)789 (98.6)666 (84.2)785 (99.2)4497 (95.0)
Income
Low74 (9.4)244 (31.2)113 (14.4)226 (28.3)174 (22.0)94 (11.9)925 (19.6)
Medium323 (41.2)435 (55.7)348 (44.4)335 (41.9)396 (50.1)295 (37.3)2132 (45.1)
High322 (41.1)79 (10.1)291 (37.2)198 (24.8)156 (19.7)286 (36.2)1332 (28.2)
Don’t know65 (8.3)23 (2.9)31 (4.0)41 (5.1)64 (8.1)116 (14.7)340 (7.2)
Education
Low76 (9.7)60 (7.7)47 (6.0)142 (17.8)107 (13.5)188 (23.9)620 (13.1)
Medium496 (63.2)570 (73.1)588 (75.0)486 (60.8)486 (61.5)472 (59.9)3098 (65.5)
High213 (27.1)150 (19.2)149 (19.0)172 (21.5)197 (24.9)128 (16.2)1009 (21.3)
Daily/weekly smoking
Daily smoker730 (93.0)733 (93.9)742 (94.6)749 (93.6)721 (91.2)747 (94.4)4422 (93.4)
Weekly smoker55 (7.0)48 (6.1)42 (5.4)51 (6.4)70 (8.8)44 (5.6)310 (6.6)
Cigarettes per day
1–10299 (38.4)292 (37.5)266 (34.0)194 (24.4)336 (42.7)253 (32.2)1640 (34.8)
11–20374 (48.0)372 (47.8)389 (49.7)407 (51.3)356 (45.3)409 (52.0)2307 (49.0)
21–3058 (7.4)68 (8.7)71 (9.1)87 (11.0)48 (6.1)73 (9.3)405 (8.6)
31+48 (6.2)46 (5.9)57 (7.3)106 (13.4)46 (5.9)51 (6.5)354 (7.5)
Ever tried light, low tar
Yes443 (56.4)329 (42.1)467 (59.6)303 (37.9)407 (51.5)417 (52.7)2366 (50.0)
No316 (40.3)410 (52.5)295 (37.6)447 (55.9)321 (40.6)334 (42.2)2123 (44.9)
Don’t know26 (3.3)42 (5.4)22 (2.8)50 (6.3)63 (8.0)40 (5.1)243 (5.1)
Tar level
Don’t know282 (36.6)284 (38.1)246 (31.5)400 (50.1)230 (29.3)321 (40.9)1763 (37.8)
Invalid tar level4 (0.5)2 (0.3)11 (1.4)6 (0.8)8 (1.0)4 (0.5)35 (0.8)
15 mg202 (26.2)204 (27.3)310 (39.6)38 (4.8)208 (26.5)335 (42.7)1297 (27.8)
11–14 mg169 (21.9)235 (31.5)103 (13.2)349 (43.7)326 (41.5)107 (13.6)1289 (27.6)
10 mg or less113 (14.7)21 (2.8)112 (14.3)5 (0.6)14 (1.8)17 (2.2)282 (6.0)
  • * Han is the majority ethnicity in China; approximately 91.6% of the national population is Han.27