Table 3.
Result of the binary logistic regression analysis for the characteristics related to lifetime tobacco use among the participants across 2014, 2015 and 2016
| Variables | p-value | OR [95% CI] | p-value | aOR [95% CI] |
|---|---|---|---|---|
| Survey year | ||||
| 2014 | – | 1 | – | 1 |
| 2015 | 0.358 | 1.2 [0.8,1.6] | 0.955 | 1.0 [0.7,1.4] |
| 2016 | 0.001 | 1.7 [1.2,2.3] | 0.002 | 1.7 [1.2,2.4] |
| Age | < 0.001 | 0.000 | ||
| > 13 years | 2.1 [1.6,2.7]* | 2.3 [1.7,3.1] | ||
| ≤ 13 years | 1 | 1 | ||
| Sex | < 0.001 | < 0.001 | ||
| Male | 3.9 [2.9,5.2]* | 4.4 [3.2,6.1] | ||
| Female | 1 | 1 | ||
| Current anxiety problem | < 0.001 | < 0.000 | ||
| Yes | 1.7 [1.3,2.3]* | 1.8 [1.4,2.4] | ||
| No | ||||
| Lifetime illicit substances use | < 0.001 | 0.033 | ||
| Yes | 9.1 [3.1,26.7]* | 3.9 [1.1, 13.8] | ||
| No | 1 | 1 | ||
| Lifetime inhalant use | 0.042 | 0.015 | ||
| Yes | 1.8 [1.1,3.3]* | 2.2 [1.2,4.3] | ||
| No | 1 | 1 | ||
| Tobacco use among the father | < 0.001 | 0.015 | ||
| Yes | 1.6 [1.2,2.1]* | 2.2 [1.2,4.3] | ||
| No | ||||
| Tobacco use among siblings | < 0.001 | 1 | 0.003 | 1 |
| Yes | 2.0 [1.4,2.7]* | 1.7 [1.2,2.4] | ||
| No | 1 | 1 | ||
CI Confidence interval
*: Odds ratio adjusted for the survey year
aOR Odds ratio adjusted for all the variables in the table