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Table 1 Comparison of baseline characteristics of students 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 = 770 (42.4%)

N = 1,044 (57.6%)

 
 

N

%

μ

SD*

N

%

μ

SD*

p**

Age

735

 

16.8

1.0

998

 

16.9

1.0

0.03

Sex

0.002

  Male

630

81.8

  

908

87.0

   

  Female

140

18.2

  

136

13.0

   

Area of training

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

   

Smoking status

0.25

  Non-smoker

334

43.4

  

434

41.6

   

  Smoker

386

50.1

  

557

53.4

   

  Ex-smoker

50

6.5

  

53

5.1

   
  1. £ BPW = building and public works.
  2. *SD = standard deviation **p-value <0.05. Data are mean ± SD. BPW: building and public works.
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BMC Public Health

ISSN: 1471-2458

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