Table 2.
Comparison of baseline characteristics of smokers in the intervention and control groups
|
Intervention |
Control |
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
|
N = 386 (40.9%) |
N = 557 (59.1%) |
|
|||||||
| N | % | μ | SD* | N | % | μ | SD* | p** | |
|
Sociodemographic variables | |||||||||
| Age |
364 |
|
16.9 |
1.0 |
|
|
17.0 |
1.0 |
0.16 |
| Sex |
0.001 |
||||||||
| Male |
310 |
80.3 |
|
|
490 |
88.0 |
|
|
|
| Female |
76 |
19.7 |
|
|
67 |
12.0 |
|
|
|
| Area of learning |
0.09 |
||||||||
| BPW£ |
472 |
62.3 |
|
|
681 |
65.6 |
|
|
|
| Catering industry |
171 |
22.6 |
|
|
236 |
22.7 |
|
|
|
| Personal services |
115 |
15.2 |
|
|
121 |
11.7 |
|
|
|
| Cannabis consumption |
203 |
54.3 |
|
|
334 |
62.2 |
|
|
0.02 |
|
Smoking behaviour | |||||||||
| Age at first cigarette |
346 |
|
12.1 |
2.1 |
514 |
|
12.2 |
2.1 |
0.59 |
| Age at which smoking became a daily occurrence |
324 |
|
13.7 |
1.6 |
488 |
|
13.9 |
1.7 |
0.25 |
| Current number of cigarettes/day |
365 |
|
13.0 |
8.5 |
536 |
|
12.7 |
7.3 |
0.62 |
| Motivation for quitting smoking (scale: 0 to 10) |
171 |
|
3.2 |
3.1 |
280 |
|
3.4 |
3.0 |
0.53 |
| Chances of succeeding (scale: 0 to 10) |
170 |
|
4.3 |
3.1 |
278 |
|
4.8 |
3.2 |
0.16 |
| HONC score |
351 |
|
6.4 |
2.7 |
538 |
|
5.9 |
2.9 |
0.01 |
| Type of smoking behaviour |
|
|
|
|
|
|
|
|
0,38 |
| Casual |
21 |
12.2 |
|
|
27 |
9.6 |
|
|
|
| Daily |
151 |
87.8 |
|
|
254 |
90.4 |
|
|
|
| Heavy smokers (>10 cig/d) |
174 |
48.6 |
|
|
255 |
48.5 |
|
|
0.97 |
| Number of attempts to quit smoking |
0.50 |
||||||||
| Never |
106 |
39.7 |
|
|
146 |
36.8 |
|
|
|
| Once |
77 |
28.8 |
|
|
119 |
30.0 |
|
|
|
| 2 to 3 times |
72 |
27.0 |
|
|
101 |
25.4 |
|
|
|
| 4 to 5 times |
8 |
3.0 |
|
|
19 |
4.8 |
|
|
|
| More than 5 times |
4 |
1.5 |
|
|
12 |
3.0 |
|
|
|
| Physician consultations about quitting smoking |
3 |
1.7 |
|
|
6 |
2.1 |
|
|
0.77 |
| Use of a nicotine substitute to quit smoking |
11 |
6.4 |
|
|
22 |
7.9 |
|
|
0.55 |
| Intention to quit smoking within the next six months | 80 | 30.7 | 109 | 29.5 | 0.75 | ||||
*SD = standard deviation **p-value <0.05.
Data are mean ± SD.
£ BPW: building and public works; HONC: Hooked On Nicotine Checklist.