Tobacco products used by the current smokers (n=1317)
| N | Tobacco products | χ2 | P values | |||
| Cigarette n (%) | Pipe tobacco n (%) | Waterpipe n (%) | ||||
| Sex | ||||||
| Men | 1172 | 1012 (86.3) | 77 (6.6) | 83 (7.1) | 7.7 | <0.01 |
| Women | 145 | 51 (35.2) | 62 (42.8) | 32 (22.1) | ||
| Residence | ||||||
| Urban | 360 | 331 (91.9) | 11 (3.1) | 18 (5.0) | 10.3 | <0.01 |
| Rural | 957 | 732 (76.5) | 128 (13.4) | 97 (10.1) | ||
| Ethnicity | ||||||
| Han | 744 | 653 (87.8) | 33 (4.4) | 58 (7.8) | 29.2 | <0.01 |
| Minority | 573 | 410 (71.6) | 106 (18.5) | 57 (9.9) | ||
| Total | 1317 | 1063 (80.7) | 139 (10.6) | 115 (8.7) | ||