Table 3 Factors associated with overall, smoking, and smokeless tobacco use among adolescents for both survey years (Model II) by binary logistic regression analysis
| Covariates | Survey Year 2007 | Survey Year 2013 | Survey Year 2007 | Survey Year 2013 | Survey Year 2007 | Survey Year 2013 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Tobacco Usea | Smoking Tobacco Usea | Smokeless Tobacco Usea | ||||||||||
|
Odds Ratio (95% CI) | P-value |
Odds Ratio (95% CI) | P-value |
Odds Ratio (95% CI) | P-value |
Odds Ratio (95% CI) | P-value |
Odds Ratio (95% CI) | P-value |
Odds Ratio (95% CI) | P-value | |
| Sex | ||||||||||||
| Female | 1 | 1 | 1 | 1 | ||||||||
| Male |
1.97 [0.99–3.92] | 0.050 |
3.07 [1.56–6.04] | 0.002 |
3.89 [1.67–9.05] | 0.003 |
2.59 [1.13–5.92] | 0.026 | ||||
| Age | ||||||||||||
| Younger than 14 years | 1 | 1 | 1 | 1 | ||||||||
| Equal to 14 years |
1.66 [0.89–3.11] | 0.109 |
0.46 [0.17–1.25] | 0.123 |
1.85 [0.63–5.43] | 0.249 |
1.80 [0.67–4.80] | 0.231 | ||||
| Older than 14 years |
3.94 [2.22–7.01] | <.001 |
1.52 [0.61–3.75] | 0.356 |
3.76 [1.30–10.90] | 0.017 |
3.47 [1.65–7.30] | 0.002 | ||||
| Grade | ||||||||||||
| 7th | 1 | |||||||||||
| 8th |
4.75 [1.26–18.00] | 0.024 | ||||||||||
| 9th or above |
6.73 [1.65–27.40] | 0.010 | ||||||||||
| Average pocket money (per month) | ||||||||||||
| Less than or equal to 160 TK | 1 | 1 | ||||||||||
| More than 160 TK |
4.26 [2.07–8.80] | <.001 |
6.10 [2.34–15.88] | <.001 | ||||||||
| Favoured banning smoking at public places | ||||||||||||
| Yes | 1 | 1 | 1 | |||||||||
| No |
1.80 [1.00–3.24] | 0.049 |
2.54 [1.15–5.63] | 0.023 |
5.58 [2.10–14.81] | 0.001 | ||||||
| Average cost per packet cigarette (20 cigarettes) | ||||||||||||
| More than 200 Tk | 1 | 1 | ||||||||||
| Less than or equal to 75 TK |
1.55 [0.67–3.59] | 0.298 |
11.52 [2.67–49.66] | 0.002 | ||||||||
| Between 76 to 200 TK |
6.62 [3.19–13.71] | <.001 |
40.63 [11.05–149.4] | <.001 | ||||||||
| Noticed anyone smoking in the school | ||||||||||||
| No | 1 | 1 | ||||||||||
| Yes |
2.19 [1.23–3.91] | 0.01 |
2.68 [1.65–4.37] | <.001 | ||||||||
| Exposed to tobacco smoke | ||||||||||||
| Yes |
3.26 [1.46–7.29] | 0.006 |
5.43 [1.63–18.07] | 0.008 |
3.41 [1.56–7.47] | 0.004 |
7.45 [1.68–33.11] | 0.010 |
3.36 [1.25–9.03] | 0.018 |
5.36 [1.45–19.86] | 0.014 |
| No | 1 | 1 | 1 | 1 | 1 | 1 | ||||||