Table 4 |
|||
|
Comparison of smoking related variables in the web and telephone sample |
|||
|
Web sample (n = 1,668) |
Telephone sample (n = 404) |
Significance tests |
|
|
|
|||
|
Number of cigarettes smoked per day (mean; SD) |
15.3; 8.1 |
15.0; 8.5 |
t = -0.54 |
|
Number of previous quit attempts (mean: SD) |
2.0; 2.2 |
2.2; 2.5 |
t = 1.27 |
|
Time (in minutes) before smoking the first cigarette (mean; SD) |
93.1; 189.2 |
86.5; 154.9 |
t = -0.69 |
|
Attitude towards smoking (%) |
χ2 = 32.12*** |
||
|
Very positive |
1.5 |
0.8 |
(df = 6) |
|
Positive |
12.7 |
9.2 |
|
|
Neither positive nor negative |
64.3 |
60.0 |
|
|
Negative |
17.6 |
23.3 |
|
|
Very negative |
2.4 |
6.7 |
|
|
Refused |
0.0 |
0.0 |
|
|
Don't know |
1.6 |
0.0 |
|
|
Intention to quit smoking (%) |
χ2 = 51.25*** |
||
|
Within the next month |
5.6 |
7.8 |
(df = 5) |
|
Within the next 6 months |
19.3 |
20.0 |
|
|
Sometime in the future, beyond 6 months |
56.6 |
44.7 |
|
|
Never |
14.3 |
26.7 |
|
|
Refused |
0.0 |
0.3 |
|
|
Don't know |
4.2 |
0.6 |
|
|
Self efficacy for quitting (%) |
χ2 = 29.38*** |
||
|
Not at all sure |
35.4 |
30.6 |
(df = 6) |
|
Slightly sure |
35.0 |
29.5 |
|
|
Moderately sure |
16.5 |
22.3 |
|
|
Very sure |
6.0 |
5.6 |
|
|
Extremely sure |
4.5 |
9.7 |
|
|
Refused |
0.0 |
0.3 |
|
|
Don't know |
2.7 |
1.9 |
|
|
|
|||
|
* p < 0.05 ** p < 0.01 *** p < 0.001 |
|||
|
Nagelhout et al. BMC Public Health 2010 10:351 doi:10.1186/1471-2458-10-351 |
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