Table 3 Logistic regression analysis of the intention to quit smoking(n = 1120)

Health literacy

 Lower

0.659(0.469–0.925)

0.016

 Higher

1(ref)

Knowledge of smoking hazards

 Lower

0.780(0.605–1.007)

0.057

 Higher

1(ref)

Age

 18~39

3.529(2.206–5.645)

< 0.001

 40~59

1.631(1.186–2.241)

0.003

 60~69

1(ref)

Education level

 Illiterate or elementary school

1.160(0.654–2.057)

0.612

 Middle school

1.009(0.606–1.681)

0.972

 High school

1.020(0.623–1.672)

0.936

 College or above

1(ref)

Occupation

 Agriculture

1.308(0.872–1.962)

0.194

 Factory or manual

1.225(0.829–1.808)

0.308

 Office, student, or non-manual

1.418(0.886–2.269)

0.146

 Public sectors

1.632(0.916–2.907)

0.097

 Other

1(ref)

Smoking level

 Non-daily

2.851(1.842–4.415)

< 0.001

 Light daily

1.656(1.254–2.186)

< 0.001

 Moderate/Heavy daily

1(ref)

 Hosmer and Lemeshow Test

p = 0.752