Table 3 Individual-, social- and policy- factors associated with smoking cessation after one-year follow-up (n = 1423)

Region type

 Urban areas

REF

 Rural areas

1.04 (0.61—1.79)

Age group

 18–39

REF

  ≥ 40

1.02 (0.69—1.49)

Marital status

 Living without partner

REF

 Living with partner

1.15 (0.60—2.22)

Education attainment

 Secondary school completed or lower

REF

 High school completed

0.99 (0.60—1.66)

 College/University or higher

0.97 (0.52—1.80)

Household wealth index

 Quintile I (poorest)

0.88 (0.48—1.60)

 Quintile II

1.55 (0.78—3.06)

 Quintile III

1.32 (0.71—2.45)

 Quintile IV

0.80 (0.37—1.72)

 Quintile V (richest)

REF

Tobacco smoke type

 Cigarette smoking only

1.48 (0.84—2.62)

 Dual use

REF

Smoking duration

  ≤ 5 years

1.20 (0.59—2.44)

  > 5–10 years

0.46 (0.20—1.02)

  > 10 years

REF

 Cigarette smoked per day

0.97 (0.94—0.99)

Self-assessed health status

 Fair

REF

 Worst/Poor

1.02 (0.52—1.99)

 Good/Excellent

0.88 (0.55—1.41)

 Number of smokers among 5 closest friends

0.95 (0.85—1.07)

Tobacco-related knowledge

 Quartile I (lowest)

REF

 Quartile II

0.70 (0.36—1.39)

 Quartile III

1.50 (0.75—3.00)

 Quartile IV (highest)

1.40 (0.74—2.65)

Self-efficacy to quit smoking

 Not at all

REF

 Somewhat

0.89 (0.47—1.69)

 A lot

1.16 (0.68—2.00)

Health benefits of quitting

 Not at all

REF

 A lot

1.43 (0.79—2.80)

Worried about future health

 Not at all

REF

 Somewhat

1.61 (0.85—3.02)

 A lot

1.49 (0.84—2.64)

Opinion of smoking

 Good

REF

 Bad

0.75 (0.35—1.60)

Intention to quit

 No

REF

 Yes

1.14 (0.67—1.93)

Number of quit attempts during the previous year

 Not tried to quit

REF

 Once

1.44 (0.74—2.81)

 2–5 times

2.10 (1.15—3.82)

 6 times or more

1.10 (0.45—2.67)

Health warning labels

 No

REF

 Yes

0.94 (0.62—1.44)

Anti-smoking advertising

 No

REF

 Yes

0.73 (0.29—1.81)