Table 2 Factors associated with overall tobacco use among adolescents for both survey years by univariate logistic regression analysis

 Female

1

1

 Male

2.11 [1.09–4.07]

3.45 [1.73–6.90]

 Younger than 14 years

1

1

 Equal to 14 years

1.09 [0.69–1.73]

1.61 [0.90–2.87]

 Older than 14 years

2.32 [1.30–4.14]

3.26 [1.48–7.18]

 7th

1

1

 8th

1.43 [0.58–3.50]

1.48 [0.75–2.90]

 9th or above

1.82 [0.74–4.51]

1.75 [0.55–5.57]

 Less than or equal to 160 TK

1

 More than 160 TK

4.80 [2.63–8.78]

 Spend less than or equal to 400 TK

1

 Spend between 400 and 800 TK

4.82 [0.89–26.10]

 Spend more than or equal to 800 TK

1.98 [0.28–13.71]

 Yes

1

1

 No

1.48 [0.72–3.05]

0.641 [0.22–1.84]

 Yes

1

1

 No

1.10 [0.52–2.31]

1.92 [1.06–3.50]

Refused by the tobacco vendor for age

 Yes

2.16 [1.04–4.51]

0.25 [0.06–1.06]

 No

1

 Less than 64TK

1

 More than or equal to 64 TK

3.00 [0.94–9.54]

 More than 200 Tk

1

 Less than or equal to 75 TK

2.54 [0.79–8.17]

 Between 76 to 200 TK

7.38 [3.22–16.92]

 Yes

1.72 [0.61–4.88]

1.05 [0.31–3.62]

 No

1

1

 Yes

2.37 [1.14–4.91]

 No

1

 Yes

1

 No

2.42 [1.45–3.95]

 Yes

2.68 [1.46–4.91]

0.66 [0.14–3.12]

 No

1

1

 Yes

1

1

 No

1.21 [0.78–1.90]

1.07 [0.46–2.50]

Tobacco advertisement

 Yes

1.56 [0.57–4.29]

1.50 [0.81–2.80]

 No

1

1

 Yes

4.06 [1.90–8.66]

7.91 [2.74–22.90]

 No

1

1