Distribution of socioeconomic status and age-adjusted prevalence rate (%) of current smoking and second-hand smoke exposure (SHS) for the nine townships
| Variables | Minimum | P25 | P50 | P75 | Maximum |
|---|---|---|---|---|---|
| Percentage of primary (grades 1–6) education or higher (%) | 78.7 | 78.7 | 84.4 | 88.1 | 94.0 |
| Percentage of ethnic minorities (%) | 3.1 | 8.1 | 14.8 | 63.0 | 97.1 |
| Average yearly income (yuan) | 2854 | 4664 | 4762 | 5499 | 8976 |
| Population size | 5665 | 8566 | 43549 | 50349 | 65058 |
| Area of township (km2) | 12.0 | 55.0 | 81.3 | 100.1 | 188.0 |
| Area of tobacco cultivation (km2) | 0.01 | 0.8 | 5.0 | 9.4 | 10.3 |
| Current smokers | |||||
| Men | 37.4 | 59.3 | 62.8 | 72.6 | 76.3 |
| Women | 0.0 | 0.3 | 0.6 | 0.8 | 1.4 |
| All | 12.6 | 21.8 | 28.4 | 31.7 | 36.7 |
| SHS | |||||
| Men | 33.5 | 54.3 | 69.0 | 77.2 | 78.6 |
| Women | 40.9 | 53.9 | 70.3 | 76.1 | 82.2 |
| All | 37.6 | 54.1 | 69.3 | 76.7 | 81.7 |