Table 5 Multivariate analysis of the relationship between the exposure of anti-smoking messages with current smoker and smoking susceptibility

Anti-Smoking Exposure

 Anti-smoking messages on media (i.e.: television, radio, internet, billboards, posters, newspapers, magazines, or movies)

  No

Ref

Ref

Ref

Ref

  Yes

1.23

1.04—1.45

1.41**

1.15—1.73

1.12

0.90—1.39

1.24

0.93—1.64

 Anti-smoking message at events (i.e.: sports events, fairs, concerts, or community events, or social gatherings)

  No

Ref

Ref

Ref

Ref

  Yes

1.84

1.57—2.17

1.26**

1.06—1.50

1.14

0.95—1.37

0.84

0.68—1.04

 Anti-smoking messages in the school

  No

Ref

Ref

Ref

Ref

  Yes

0.98

0.82—1.16

0.96

0.78—1.17

0.93

0.77—1.13

0.92

0.73—1.13

Grade

 Junior High School

Ref

Ref

Ref

Ref

 Male

1.02

0.80—1.31

1.28

0.99—1.66

1.02

0.82—1.27

1.06

0.85—1.32

Weekly spending money

 More than Rp50,000

Ref

Ref

Ref

Ref

 Rp41,000-Rp50,000

0.98

0.75—1.27

0.76

0.56—1.05

1.00

0.76—1.31

0.89

0.67—1.19

 Rp31,000-Rp40,000

0.87

0.64—1.18

0.67*

0.47—0.94

0.82

0.56—1.21

0.73

0.49—1.08

 Rp21,000-Rp30,000

1.00

0.77—1.27

0.76

0.56—1.03

1.00

0.77—1.30

0.95

0.72—1.25

 Rp11,000-Rp20,000

1.30

1.08—1.57

1.01

0.78—1.32

0.93

0.70—1.23

0.85

0.63—1.14

 Less than Rp11,000

1.35

1.10—1.66

0.98

0.75—1.28

1.05

0.77—1.44

0.94

0.68—1.32

 Usually don’t have any spending money

0.21

0.17—0.25

0.71

0.50—1.02

0.95

0.67—1.35

0.70

0.49—1.02

Accessibility to buy or consume cigarette

 Easy

Ref

Ref

Ref

Ref

 Difficult

0.91

0.77—1.08

0.87

0.72—1.07

1.21

1.05—1.39

1.22*

1.02—1.45

Second hand smoking

 Saw anyone smoking in the house

  Yes

Ref

Ref

Ref

Ref

  No

4.13

3.47—4.93

3.98***

3.23—4.91

1.46

1.21—1.77

1.32**

1.10—1.60

 Saw anyone smoking in the school

  Yes

Ref

Ref

Ref

Ref

  No

1.68

1.45—1.95

1.30**

1.10—1.55

1.53

1.26—1.86

1.29*

1.06—1.57

 Parents smoke tobacco

  Yes

Ref

Ref

Ref

Ref

  No

1.21

1.01—1.45

1.01

0.83—1.25

1.33

1.12—1.59

1.31**

1.09—1.56

Tobacco Advertisement, Promotion and Sponsorship (TAPS) Exposure

 Tobacco advertisement exposure

  No exposure

Ref

Ref

Ref

Ref

  One type exposure

2.41

1.40—4.17

1.94

0.94—4.03

2.67

1.26—5.62

2.21*

1.04—4.70

  More than 1 type exposure

2.16

1.66—2.81

1.01

0.74—1.39

1.95

1.40—2.70

1.30

0.94—1.80

 Tobacco promotion exposure

  No exposure

Ref

Ref

Ref

Ref

  One type exposure

2.29

1.92—2.73

1.33*

1.03—1.70

2.62

2.17—3.16

2.05***

1.69—2.48

  More than 1 type exposure

4.69

3.91—5.62

2.41***

1.92—3.03

3.94

3.14—4.95

2.95***

2.35—3.70

 Tobacco sponsorship exposure

  No exposure

Ref

Ref

Ref

Ref

  One type exposure

3.29

2.80—3.85

2.10***

1.74—2.54

2.14

1.69—2.70

1.68***

1.33—2.13

  More than 1 type exposure

4.61

3.72—5.71

2.74***

2.01—3.74

2.68

2.08—3.45

1.96***

1.46—2.63