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Table 2 Factors associated with current smokeless tobacco use among adolescents aged 12–16 years based on the latest available data in 138 countries from 2010 to 2019

From: Prevalence and trend of smokeless tobacco use and its associated factors among adolescents aged 12–16 years in 138 countries/territories, 1999–2019

Variable

Prevalence (%)

β

OR (95% CI)

P-value

Sex

 Girls

3.1

 

1.00

 

 Boys

5.7

0.230

1.26 (1.03–1.53)

0.024

Age group

 12–14 years

3.9

 

1.00

 

 15–16 years

5.4

0.167

1.18 (1.01–1.38)

0.035

Cigarette smoking

 No

3.0

 

1.00

 

 Yes

14.3

0.694

2.00 (1.68–2.39)

<0.0001#

Other tobacco product use

 No

3.2

 

1.00

 

 Yes

22.5

1.797

6.03 (4.92–7.40)

<0.0001#

Parental smoking status

 Neither

4.7

 

1.00

 

 Father only

4.4

−0.124

0.88 (0.71–1.09)

0.25

 Mother only

5.6

−0.155

0.86 (0.75–1.30)

0.47

 Both

9.8

0.335

1.40 (1.08–1.82)

0.012

Smoking status of closest friends

 None

4.0

 

1.00

 

 Some

5.2

0.051

1.05 (0.83–1.33)

0.67

 Most

7.6

0.090

1.09 (0.82–1.46)

0.54

 All

15.2

0.431

1.54 (1.04–2.28)

0.031

Tobacco advertisement exposure

 No

3.4

 

1.00

 

 Yes

4.9

0.363

1.44 (1.19–1.74)

0.0002#

Being offered free tobacco products

 No

3.6

 

1.00

 

 Yes

12.1

0.696

2.01 (1.66–2.42)

<0.0001#

Being taught about dangers of smoking

 Yes

4.1

 

1.00

 

 No

4.8

0.245

1.28 (1.09–1.50)

0.0024#

World Bank income

 Low income

4.7

 

1.00

 

 Lower-middle income

5.5

0.027

1.03 (0.65–1.62)

0.91

 Upper-middle income

3.8

−0.095

0.91 (0.73–1.13)

0.40

 High income

2.8

−0.657

0.52 (0.40–0.68)

<0.0001#

  1. OR, odds ratio; CI, confidence interval
  2. Prevalence estimates are weighted
  3. All variables listed in the table were introduced into logistic regression models.
  4. # P value <0.0031 (0.05/16, which is Bonferroni’s corrected critical significance level)