Table 3 Prevalence estimates of secondhand smoke (SHS) exposure among never-smoking adolescents (Weighted).
From: Secondhand smoke exposure among never-smoking adolescents in Wuhan, China
Characteristics | SHS exposure at home | SHS exposure in school | SHS exposure in public places | |||
|---|---|---|---|---|---|---|
n (%)* | P | n (%)* | P | n (%)* | P | |
Overall | 1,544 (25.7) | – | 1,928 (31.9) | – | 2,927 (48.9) | – |
Gender | ||||||
Female | 743 (26.1) | 0.507 | 853 (29.8) | 0.004 | 1,412 (49.5) | 0.460 |
Male | 801 (25.3) | 1,075 (33.7) | 1,515 (48.4) | |||
Grade | ||||||
9 | 453 (24.4) | 0.151 | 690 (34.8) | 0.120 | 938 (49.2) | 0.425 |
8 | 577 (28.2) | 696 (33.7) | 1,035 (51.1) | |||
7 | 514 (24.6) | 542 (27.6) | 954 (46.6) | |||
Knowledge about the harm of SHS | ||||||
No | 21 (14.7) | 0.007 | 62 (49.0) | < 0.001 | 43 (30.1) | < 0.001 |
Yes | 1,523 (26.0) | 1,866 (31.4) | 2,884 (49.4) | |||
Peer smoking | ||||||
No | 1,282 (24.1) | < 0.001 | 1,488 (27.8) | < 0.001 | 2,444 (46.0) | < 0.001 |
Yes | 262 (39.7) | 440 (66.4) | 483 (74.1) | |||
Parent smoking | ||||||
No | 200 (6.0) | < 0.001 | 879 (25.7) | < 0.001 | 1,291 (38.6) | < 0.001 |
Yes | 1,319 (52.5) | 1,024 (40.4) | 1,592 (63.1) | |||
Exposed to antismoking media messages | ||||||
No | 414 (28.7) | 0.034 | 552 (38.1) | < 0.001 | 778 (54.2) | 0.001 |
Yes | 1,130 (24.8) | 1,376 (29.9) | 2,149 (47.3) | |||
Observing teachers smoking in school | ||||||
No | 680 (19.8) | < 0.001 | 487 (14.7) | < 0.001 | 1,228 (35.8) | < 0.001 |
Yes | 685 (37.1) | 1,253 (67.3) | 1,345 (72.8) | |||
School type | ||||||
Public school | 1,186 (24.8) | 0.054 | 1,450 (30.0) | 0.039 | 2,188 (45.9) | < 0.001 |
Private school | 358 (30.2) | 478 (41.5) | 739 (64.6) | |||
Disposable income (CNY) | ||||||
0 | 240 (20.3) | < 0.001 | 371 (31.9) | < 0.001 | 510 (44.8) | < 0.001 |
1–20 | 553 (23.3) | 637 (26.8) | 1,006 (42.4) | |||
21–50 | 440 (27.8) | 508 (32.4) | 820 (52.5) | |||
More than 50 | 311 (35.1) | 412 (43.9) | 591 (65.0) | |||
Exposed to tobacco advertising and promotion | ||||||
No | 879 (26.5) | < 0.001 | 1,026 (29.9) | < 0.001 | 1,652 (49.5) | < 0.001 |
Yes | 399 (34.0) | 538 (45.9) | 754 (64.8) | |||
