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Table 6 Regression models of changes of smokers’ smoking status, smoking-related knowledge and attitudes scores in the intervention arm

From: Evaluation of the effectiveness of a WHO-5A model based comprehensive tobacco control program among migrant workers in Guangdong, China: a pilot study

Variables

B

SE

Wald/t

P

95%CI

Lower bound

Upper bound

Model 1. Logistic regression model of changes of smoker’ smoking status

(Constant)

2.197

0.770

8.1441

0.004

  

Times of attending WHO-5A group counseling

−0.059

0.029

3.9741

0.046

0.890

0.990

Confidence in achieving successful smoking cessation

−1.664

0.817

4.1541

0.042

0.038

0.938

Healthy problems

1.326

0.589

5.0661

0.024

1.187

11.950

Model 2. Multiple linear regression model of changes of smoking-related knowledge scores

(Constant)

3.774

.758

4.978

< 0.001

2.288

5.260

Knowledge scores at baseline

0.419

0.115

3.650

< 0.001

0.194

0.664

WHO-5A group counseling

0.996

0.505

1.971

0.049

0.006

1.985

Educational posters

1.925

0.754

2.551

0.011

0.446

3.403

Migrant times

 1

Ref.

     

 2–3

−0.937

0.623

−1.505

0.132

−2.158

0.283

  ≥ 4

−2.062

0.731

−2.822

0.005

−3.495

−0.630

Model 3. Multiple linear regression model of changes of smoking-related attitudes scores

(Constant)

7.770

1.147

6.776

< 0.001

5.523

10.017

Attitude scores at baseline

0.386

0.114

3.400

0.001

0.164

0.609

Migrant times

 1

Ref.

     

 2–3

−1.667

0.877

−1.900

0.057

−3.386

0.053

  ≥ 4

−3.240

1.047

−3.095

0.002

−5.291

−1.188