Table 2 Possible influencing factor related to the use of cigarettes or(and) e-cigarettes among university students in Guangzhou, China
Variable | Cigarettes or(and) e-cigarettes users | Non-nicotine products users | χ2 | p-value | ||
|---|---|---|---|---|---|---|
Cigarettes only users | E-cigarettes only users | Dual users | ||||
Gender | 1251.6 | < 0.05 | ||||
 Male | 888 (16.3) | 359 (6.6) | 1142 (20.9) | 3072 (56.2) |  |  |
 Female | 87 (2.2) | 105 (2.7) | 205 (5.3) | 3503 (89.8) |  |  |
School type | 232.6 | < 0.05 | ||||
 Prestigious Chinese universities | 312 (8.8) | 104 (2.9) | 339 (9.6) | 2790 (78.7) |  |  |
 Non-prestigious Chinese universities | 445 (11.3) | 261 (6.6) | 730 (18.5) | 2506 (63.6) |  |  |
 Vocational schools | 218 (11.6) | 99 (5.3) | 278 (14.8) | 1279 (68.2) |  |  |
Education level | 243.5 | < 0.05 | ||||
 Vocational school students | 218 (1 1.6) | 99 (5.3) | 278 (14.8) | 1279 (68.2) |  |  |
 Undergraduates | 690 (11.1) | 353 (5.7) | 1002 (16.1) | 4197 (67.2) |  |  |
 Master students | 42 (4.2) | 9 (0.9) | 47 (4.7) | 909 (90.3) |  |  |
 Ph.D. students | 25 (10.5) | 3 (1.3) | 20 (8.4) | 190 (79.8) |  |  |
Specialization | 221.0 | < 0.05 | ||||
 Non-medical | 900 (11.3) | 440 (5.5) | 1270 (15.9) | 5381 (67.3) |  |  |
 Medical | 75 (5.5) | 24 (1.7) | 77 (5.6) | 1194 (87.2) |  |  |
Lifestyles | 1151.9 | < 0.05 | ||||
 Drinking | 166 (17.0) | 79 (17.0) | 198 (14.7) | 193 (2.9) |  |  |
 Playing games | 233 (23.9) | 159 (34.3) | 381 (28.3) | 1239 (18.8) |  |  |
 Staying up late | 219 (22.5) | 107 (23.1) | 342 (25.4) | 2681 (40.8) |  |  |
 All of the above | 277 (28.4) | 78 (16.8) | 361 (26.8) | 998 (15.2) |  |  |
 None of the above | 80 (8.2) | 41 (8.8) | 65 (4.8) | 1464 (22.3) |  |  |
Medical specialization or not | 218.7 | < 0.05 | ||||
 Non-medical | 5381 (67.3) | 2610 (32.7) |  |  | ||
 Medical | 1194 (87.2) | 176 (12.8) |  |  | ||
School type | 208.8 | < 0.05 | ||||
 Prestigious Chinese universities | 755(21.3) | 2790(78.7) |  |  | ||
 Non-prestigious Chinese universities | 1436(36.4) | 2506(63.6) |  |  | ||
 Vocational schools | 595(31.8) | 1279(68.2) |  |  | ||
Major | 692.9 | < 0.05 | ||||
 Medicine | 176(12.8) | 1194 (87.2) |  |  | ||
 Management | 94(16.9) | 463 (83.1) |  |  | ||
 Art | 45(20.8) | 171 (79.2) |  |  | ||
 Engineering | 216(21.8) | 777 (78.2) |  |  | ||
 Science | 239(22.0) | 848 (78.0) |  |  | ||
 Literature | 201(27.7) | 524 (72.3) |  |  | ||
 Education | 318(40.4) | 470 (59.6) |  |  | ||
 Economics | 613(41.5) | 865 (58.5) |  |  | ||
 Agronomy | 51(43.6) | 66 (56.4) |  |  | ||
 Philosophy | 259(43.8) | 332 (56.2) |  |  | ||
 History | 94(46.1) | 110 (53.9) |  |  | ||
 Law | 423(47.2) | 473 (52.8) |  |  | ||
 Others | 57(16.8) | 282 (83.2) |  |  | ||