Table 1 Socio-demographic characteristics of smoking and non-smoking children
All (N = 960) | Ever smoking | |||
|---|---|---|---|---|
No (N = 903) | Yes (N = 57) | P-value | ||
Gender, N = 960: | ||||
Boy | 468 (49%) | 435 (48%) | 33 (58%) | |
Girl | 492 (51%) | 468 (52%) | 24 (42%) | 0.173 |
Age, N = 960: | ||||
9-10 years | 341 (36%) | 329 (36%) | 12 (21%) | |
11-13 years | 619 (64%) | 574 (64%) | 45 (79%) | 0.022 |
Ethnic origin, N = 960 | ||||
Dutch | 700 (73%) | 653 (72%) | 47 (82%) | |
Non-Dutch | 260 (27%) | 250 (28%) | 10 (18%) | 0.123 |
Family composition, N = 946 | ||||
2 parents | 849 (90%) | 801 (90%) | 48 (87%) | |
1 parent | 97 (10%) | 90 (10%) | 7 (13%) | 0.494 |
Siblings, N = 960 | ||||
0 or 1 | 554 (58%) | 518 (57%) | 36 (63%) | |
2 or more | 406 (42%) | 385 (43%) | 21 (37%) | 0.411 |
Mother's education, N = 931 | ||||
University or high vocational | 198 (21%) | 182 (21%) | 16 (29%) | |
Intermediate vocational | 272 (29%) | 251 (29%) | 21 (37%) | |
Low vocational or high school | 461 (50%) | 442 (50%) | 19 (34%) | 0.026 |
Father's education, N = 891 | ||||
University or high vocational | 254 (26%) | 239 (28%) | 15 (29%) | |
Intermediate vocational | 242 (27%) | 222 (27%) | 20 (28%) | |
Low vocational or high school | 395 (44%) | 378 (45%) | 17 (33%) | 0.289 |