Table 1.
Demographics of cigarette smokers and non-smokers among Taiwanese adolescents in 2018.
| Characteristic | All (N = 1477850) | Cigarette non-smokers (n = 1394370) | Cigarette smokers (n = 83480) | P | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| N a | (%)b | 95% | CI | (%)b | 95% | CI | (%)b | 95% | CI | ||
| Gender | ‡ | ||||||||||
| Boy | 764506 | 51.82 | 51.74 | 51.90 | 50.52 | 50.44 | 50.60 | 73.82 | 73.75 | 73.89 | |
| Girl | 710755 | 48.18 | 48.10 | 48.26 | 49.48 | 49.40 | 49.56 | 26.18 | 26.11 | 26.25 | |
| Grade | ‡ | ||||||||||
| 7 | 212116 | 14.35 | 14.29 | 14.41 | 14.94 | 14.88 | 15.00 | 4.54 | 4.51 | 4.57 | |
| 8 | 226102 | 15.30 | 15.24 | 15.36 | 15.73 | 15.67 | 15.79 | 8.10 | 8.06 | 8.14 | |
| 9 | 239627 | 16.21 | 16.15 | 16.27 | 16.57 | 16.51 | 16.63 | 10.27 | 10.22 | 10.32 | |
| 10 | 276372 | 18.70 | 18.64 | 18.76 | 18.44 | 18.38 | 18.50 | 23.09 | 23.02 | 23.16 | |
| 11 | 271657 | 18.38 | 18.32 | 18.44 | 17.96 | 17.90 | 18.02 | 25.39 | 25.32 | 25.46 | |
| 12 | 251976 | 17.05 | 16.99 | 17.11 | 16.36 | 16.30 | 16.42 | 28.63 | 28.56 | 28.70 | |
| Monthly allowance | ‡ | ||||||||||
| US$0 | 167157 | 11.35 | 11.30 | 11.40 | 11.77 | 11.72 | 11.82 | 4.46 | 4.43 | 4.49 | |
| US$0.03–49.71 | 734396 | 49.89 | 49.81 | 49.97 | 51.51 | 51.43 | 51.59 | 22.82 | 22.75 | 22.89 | |
| US$49.72–116.03 | 331284 | 22.50 | 22.43 | 22.57 | 22.34 | 22.27 | 22.41 | 25.25 | 25.18 | 25.32 | |
| US$ ≧ 116.04 | 239326 | 16.26 | 16.20 | 16.32 | 14.39 | 14.33 | 14.45 | 47.47 | 47.39 | 47.55 | |
| Parent educational level | ‡ | ||||||||||
| Junior high school and below | 121374 | 8.90 | 8.85 | 8.95 | 8.42 | 8.37 | 8.47 | 17.06 | 17.00 | 17.12 | |
| Senior high school | 534386 | 39.18 | 39.10 | 39.26 | 38.63 | 38.55 | 38.71 | 48.63 | 48.55 | 48.71 | |
| University or college | 535077 | 39.24 | 39.16 | 39.32 | 39.99 | 39.91 | 40.07 | 26.27 | 26.20 | 26.34 | |
| Graduate school | 172918 | 12.68 | 12.62 | 12.74 | 12.95 | 12.89 | 13.01 | 8.04 | 7.99 | 8.09 | |
| Smoking status of parents | ‡ | ||||||||||
| Both smoke | 118445 | 8.19 | 8.15 | 8.23 | 7.37 | 7.33 | 7.41 | 22.27 | 22.20 | 22.34 | |
| Only the father smokes | 473158 | 32.71 | 32.63 | 32.79 | 32.30 | 32.22 | 32.38 | 39.77 | 39.69 | 39.85 | |
| Only the mother smokes | 28997 | 2.00 | 1.98 | 2.02 | 1.90 | 1.88 | 1.92 | 3.74 | 3.71 | 3.77 | |
| Neither smokes | 826062 | 57.10 | 57.02 | 57.18 | 58.42 | 58.34 | 58.50 | 34.22 | 34.14 | 34.30 | |
| Smoking status of close friends | ‡ | ||||||||||
| Yes | 619475 | 42.04 | 41.96 | 42.12 | 39.11 | 39.03 | 39.19 | 92.17 | 92.13 | 92.21 | |
| No | 854103 | 57.96 | 57.88 | 58.04 | 60.89 | 60.81 | 60.97 | 7.83 | 7.79 | 7.87 | |
| Access to free cigarettes | ‡ | ||||||||||
| Yes | 43428 | 2.98 | 2.95 | 3.01 | 2.51 | 2.48 | 2.54 | 11.22 | 11.17 | 11.27 | |
| No | 1416016 | 97.02 | 96.99 | 97.05 | 97.49 | 97.46 | 97.52 | 88.78 | 88.73 | 88.83 | |
| Exposure to cigarette advertisements | ‡ | ||||||||||
| Yes | 337111 | 22.89 | 22.82 | 22.96 | 22.28 | 22.21 | 22.35 | 33.24 | 33.16 | 33.32 | |
| No | 1135769 | 77.11 | 77.04 | 77.18 | 77.72 | 77.65 | 77.79 | 66.76 | 66.68 | 66.84 | |
| Attended classes concerning the dangers of tobacco | ‡ | ||||||||||
| Yes | 697677 | 56.01 | 55.92 | 56.10 | 57.03 | 56.94 | 57.12 | 39.23 | 39.14 | 39.32 | |
| No | 547990 | 43.99 | 43.90 | 44.08 | 42.97 | 42.88 | 43.06 | 60.77 | 60.68 | 60.86 | |
aThe total numbers under each variable were not equal due to missing value(s).bSummed percentages in each column. P: Rao–Scott chi-square test was used to test the difference between independent variables and current cigarette smoking. ‡ indicates p values <0.001.