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Table 2 Comparison of baseline characteristics of smokers in the intervention and control groups

From: Efficacy of a smoking cessation program in a population of adolescent smokers in vocational schools: a public health evaluative controlled study

 

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

  1. *SD = standard deviation **p-value <0.05.
  2. Data are mean ± SD.
  3. £ BPW: building and public works; HONC: Hooked On Nicotine Checklist.