Table 1.
Unweighted sample characteristics for the six Chinese cities in the ITC China Survey
| Factor | Beijing (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 | |||||||||
| Male | 743 (94.6) | 741 (94.9) | 765 (97.6) | 732 (91.5) | 772 (97.6) | 746 (94.3) | 4499 (95.1) | ||
| Female | 42 (5.4) | 40 (5.1) | 19 (2.4) | 68 (8.5) | 19 (2.4) | 45 (5.7) | 233 (4.9) | ||
| Age (years) | |||||||||
| 18–39 | 120 (15.3) | 111 (14.2) | 89 (11.3) | 201 (25.1) | 258 (32.6) | 118 (14.9) | 897 (19.0) | ||
| 40–54 | 373 (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 | |||||||||
| Other | 42 (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 | |||||||||
| Low | 74 (9.4) | 244 (31.2) | 113 (14.4) | 226 (28.3) | 174 (22.0) | 94 (11.9) | 925 (19.6) | ||
| Medium | 323 (41.2) | 435 (55.7) | 348 (44.4) | 335 (41.9) | 396 (50.1) | 295 (37.3) | 2132 (45.1) | ||
| High | 322 (41.1) | 79 (10.1) | 291 (37.2) | 198 (24.8) | 156 (19.7) | 286 (36.2) | 1332 (28.2) | ||
| Don’t know | 65 (8.3) | 23 (2.9) | 31 (4.0) | 41 (5.1) | 64 (8.1) | 116 (14.7) | 340 (7.2) | ||
| Education | |||||||||
| Low | 76 (9.7) | 60 (7.7) | 47 (6.0) | 142 (17.8) | 107 (13.5) | 188 (23.9) | 620 (13.1) | ||
| Medium | 496 (63.2) | 570 (73.1) | 588 (75.0) | 486 (60.8) | 486 (61.5) | 472 (59.9) | 3098 (65.5) | ||
| High | 213 (27.1) | 150 (19.2) | 149 (19.0) | 172 (21.5) | 197 (24.9) | 128 (16.2) | 1009 (21.3) | ||
| Daily/weekly smoking | |||||||||
| Daily smoker | 730 (93.0) | 733 (93.9) | 742 (94.6) | 749 (93.6) | 721 (91.2) | 747 (94.4) | 4422 (93.4) | ||
| Weekly smoker | 55 (7.0) | 48 (6.1) | 42 (5.4) | 51 (6.4) | 70 (8.8) | 44 (5.6) | 310 (6.6) | ||
| Cigarettes per day | |||||||||
| 1–10 | 299 (38.4) | 292 (37.5) | 266 (34.0) | 194 (24.4) | 336 (42.7) | 253 (32.2) | 1640 (34.8) | ||
| 11–20 | 374 (48.0) | 372 (47.8) | 389 (49.7) | 407 (51.3) | 356 (45.3) | 409 (52.0) | 2307 (49.0) | ||
| 21–30 | 58 (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 | |||||||||
| Yes | 443 (56.4) | 329 (42.1) | 467 (59.6) | 303 (37.9) | 407 (51.5) | 417 (52.7) | 2366 (50.0) | ||
| No | 316 (40.3) | 410 (52.5) | 295 (37.6) | 447 (55.9) | 321 (40.6) | 334 (42.2) | 2123 (44.9) | ||
| Don’t know | 26 (3.3) | 42 (5.4) | 22 (2.8) | 50 (6.3) | 63 (8.0) | 40 (5.1) | 243 (5.1) | ||
| Tar level | |||||||||
| Don’t know | 282 (36.6) | 284 (38.1) | 246 (31.5) | 400 (50.1) | 230 (29.3) | 321 (40.9) | 1763 (37.8) | ||
| Invalid tar level | 4 (0.5) | 2 (0.3) | 11 (1.4) | 6 (0.8) | 8 (1.0) | 4 (0.5) | 35 (0.8) | ||
| 15 mg | 202 (26.2) | 204 (27.3) | 310 (39.6) | 38 (4.8) | 208 (26.5) | 335 (42.7) | 1297 (27.8) | ||
| 11–14 mg | 169 (21.9) | 235 (31.5) | 103 (13.2) | 349 (43.7) | 326 (41.5) | 107 (13.6) | 1289 (27.6) | ||
| 10 mg or less | 113 (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