Research Article

Comparing the Characteristics of Cigarette Smoking and e-Cigarette and IQOS Use among Adolescents in Taiwan

Table 1

Demographics of cigarette smokers and non-smokers among Taiwanese adolescents in 2018.

CharacteristicAll (N = 1477850)Cigarette non-smokers (n = 1394370)Cigarette smokers (n = 83480)
Na(%)b95%CI(%)b95%CI(%)b95%CI

Gender
 Boy76450651.8251.7451.9050.5250.4450.6073.8273.7573.89
 Girl71075548.1848.1048.2649.4849.4049.5626.1826.1126.25
Grade
 721211614.3514.2914.4114.9414.8815.004.544.514.57
 822610215.3015.2415.3615.7315.6715.798.108.068.14
 923962716.2116.1516.2716.5716.5116.6310.2710.2210.32
 1027637218.7018.6418.7618.4418.3818.5023.0923.0223.16
 1127165718.3818.3218.4417.9617.9018.0225.3925.3225.46
 1225197617.0516.9917.1116.3616.3016.4228.6328.5628.70
Monthly allowance
 US$016715711.3511.3011.4011.7711.7211.824.464.434.49
 US$0.03–49.7173439649.8949.8149.9751.5151.4351.5922.8222.7522.89
 US$49.72–116.0333128422.5022.4322.5722.3422.2722.4125.2525.1825.32
 US$ ≧ 116.0423932616.2616.2016.3214.3914.3314.4547.4747.3947.55
Parent educational level
 Junior high school and below1213748.908.858.958.428.378.4717.0617.0017.12
 Senior high school53438639.1839.1039.2638.6338.5538.7148.6348.5548.71
 University or college53507739.2439.1639.3239.9939.9140.0726.2726.2026.34
 Graduate school17291812.6812.6212.7412.9512.8913.018.047.998.09
Smoking status of parents
 Both smoke1184458.198.158.237.377.337.4122.2722.2022.34
 Only the father smokes47315832.7132.6332.7932.3032.2232.3839.7739.6939.85
 Only the mother smokes289972.001.982.021.901.881.923.743.713.77
 Neither smokes82606257.1057.0257.1858.4258.3458.5034.2234.1434.30
Smoking status of close friends
 Yes61947542.0441.9642.1239.1139.0339.1992.1792.1392.21
 No85410357.9657.8858.0460.8960.8160.977.837.797.87
Access to free cigarettes
 Yes434282.982.953.012.512.482.5411.2211.1711.27
 No141601697.0296.9997.0597.4997.4697.5288.7888.7388.83
Exposure to cigarette advertisements
 Yes33711122.8922.8222.9622.2822.2122.3533.2433.1633.32
 No113576977.1177.0477.1877.7277.6577.7966.7666.6866.84
Attended classes concerning the dangers of tobacco
 Yes69767756.0155.9256.1057.0356.9457.1239.2339.1439.32
 No54799043.9943.9044.0842.9742.8843.0660.7760.6860.86

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.