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.
Characteristic
All (N = 1477850)
Cigarette non-smokers (n = 1394370)
Cigarette smokers (n = 83480)
Na
(%)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.