Table 1: Weighted distribution of characteristics among nonsmokers, by susceptibility to cigarette smoking, among students in grades 9-12.
Characteristic | Nonsmokers (n = 17 396) | ||
---|---|---|---|
Nonsusceptible to cigarette smoking, no. (%) (n =12 295) |
Susceptible to cigarette smoking, no. (%) (n = 5 101) |
p value* | |
Sex | |||
Female | 6 485 (68.5) | 2 672 (31.5) | 0.003 |
Male | 5 810 (71.9) | 2 429 (28.1) | 0.003 |
Grade | |||
9 | 3 503 (66.8) | 1 729 (33.2) | < 0.0001 |
10 | 3 483 (67.5) | 1 551 (32.5) | < 0.0001 |
11 | 3 052 (73.0) | 1 128 (27.0) | < 0.0001 |
12 | 2 257 (75.3) | 693 (24.7) | < 0.0001 |
Province† | |||
Atlantic | 4 279 (70.9) | 1 625 (29.1) | 0.2 |
Quebec | 1 139 (72.2) | 387 (27.8) | 0.2 |
Ontario | 2 062 (69.2) | 915 (30.8) | 0.2 |
Saskatchewan | 1 501 (68.9) | 706 (31.1) | 0.2 |
Alberta | 1 498 (70.0) | 659 (30.0) | 0.2 |
British Columbia | 1 816 (71.5) | 809 (28.5) | 0.2 |
Race† | |||
White | 9 317 (69.6) | 3 774 (30.4) | 0.2 |
Non-white | 2 910 (71.4) | 1 284 (28.6) | 0.2 |
Overall self-esteem score† | |||
≤ 8 | 3 735 (60.8) | 2 318 (39.2) | < 0.0001 |
9-11 | 6 400 (73.4) | 2 258 (26.6) | < 0.0001 |
≥ 12 | 2 126 (79.2) | 509 (20.8) | < 0.0001 |
Academic performance† | |||
Levels 3 and 4 | 10 034 (71.3) | 3 792 (28.7) | < 0.0001 |
Level 3 | 1 611 (66.3) | 914 (33.7) | < 0.0001 |
Level 2 and lower | 363 (59.0) | 256 (41.0) | < 0.0001 |
Any family member smoking† | |||
No | 7 442 (74.1) | 2 548 (25.9%) | < 0.0001 |
Yes | 4 246 (64.4) | 2 245 (35.6%) | < 0.0001 |
*Rao-Scott χ2 test of association.
†Some missing values for this variable in the study population.