Table 4 Basic characteristics of non-smoking college students
Characteristics | Group | Number(N) | Percentage (%) |
|---|---|---|---|
Gender | Male | 257 | 41.1 |
Female | 368 | 58.9 | |
Major | Engineering | 187 | 29.9 |
Medicine | 162 | 25.9 | |
Sciences | 69 | 11.0 | |
Economics | 39 | 6.2 | |
Arts | 56 | 9.0 | |
Management | 47 | 7.5 | |
Others | 65 | 10.4 | |
Last year’s grade ranking | Top 10% | 113 | 18.1 |
11%-20% | 124 | 19.8 | |
21%-30% | 81 | 13.0 | |
31%-40% | 86 | 13.8 | |
41%-50% | 82 | 13.1 | |
51%-60% | 79 | 12.6 | |
 > 60% | 60 | 9.6 | |
Household registration | Urban areas | 325 | 52.0 |
Rural areas | 300 | 48.0 | |
Ethnicity | Han | 577 | 92.3 |
Non-Han | 48 | 7.7 | |
Religion | Yes | 34 | 5.4 |
No | 591 | 94.6 | |
Monthly living expenses (yuan)* |  ≤ 145.1(≤ 1000) | 136 | 21.8 |
145.1–217.6(1000–1499) | 277 | 44.3 | |
217.7–290.1 (1500–1999) | 124 | 19.8 | |
 ≥ 290.3(≥ 2000) | 88 | 14.1 | |
Father's smoking experience | Never smoke | 244 | 39.0 |
Smoke | 287 | 45.9 | |
Quitted | 94 | 15.0 | |
Mother's smoking experience | Never smoke | 609 | 97.4 |
Smoke | 12 | 1.9 | |
Quitted | 4 | 0.6 |