|
Variable
|
Boys (n = 31,624)
|
Girls (n = 30,652)
|
|---|
| |
Yes
|
No
|
Yes
|
No
|
|---|
|
n
|
(%)a
|
n
|
(%)a
|
n
|
(%)a
|
n
|
(%)a
|
|---|
|
Grade
|
|
7th grade
|
3425
|
(66.9)
|
1753
|
(33.1)
|
3599
|
(72.3)
|
1412
|
(27.7)
|
|
8th grade
|
3467
|
(66.0)
|
1805
|
(34.0)
|
3711
|
(72.9)
|
1394
|
(27.1)
|
|
9th grade
|
3401
|
(65.5)
|
1801
|
(34.5)
|
3749
|
(73.0)
|
1368
|
(27.0)
|
|
10th grade
|
3482
|
(68.6)
|
1587
|
(31.4)
|
3654
|
(71.6)
|
1442
|
(28.4)
|
|
11th grade
|
3703
|
(65.8)
|
1907
|
(34.2)
|
3746
|
(72.2)
|
1444
|
(27.8)
|
|
12th grade
|
3576
|
(67.0)
|
1717
|
(33.0)
|
3718
|
(72.3)
|
1415
|
(27.7)
|
|
Current smoking status
|
|
Smoker
|
2437
|
(85.4)
|
421
|
(14.6)
|
789
|
(87.7)
|
122
|
(12.3)
|
|
Non-Smoker
|
18,617
|
(64.7)
|
10,149
|
(35.3)
|
21,388
|
(71.9)
|
8353
|
(28.1)
|
|
e-cigarette status
|
|
User
|
864
|
(87.5)
|
127
|
(12.5)
|
214
|
(85.3)
|
39
|
(14.7)
|
|
Non-User
|
20,190
|
(65.9)
|
10,443
|
(34.1)
|
21,963
|
(72.3)
|
8436
|
(27.7)
|
|
Secondhand Smoke
|
|
Non-exposed
|
14,407
|
(63.3)
|
8383
|
(36.7)
|
14,978
|
(69.0)
|
6743
|
(31.0)
|
|
Exposed
|
6647
|
(75.6)
|
2187
|
(24.4)
|
7199
|
(80.7)
|
1732
|
(19.3)
|
|
Tobacco Advertise
|
|
Non-exposed
|
3361
|
(49.1)
|
3505
|
(50.9)
|
3408
|
(53.2)
|
2978
|
(46.8)
|
|
Exposed
|
17,693
|
(71.5)
|
7065
|
(28.5)
|
18,769
|
(77.5)
|
5497
|
(22.5)
|
|
Anti-Tobacco Advertisement
|
|
Non-exposed
|
3055
|
(47.1)
|
3455
|
(52.9)
|
2141
|
(51.8)
|
1984
|
(48.2)
|
|
Exposed
|
17,999
|
(71.8)
|
7115
|
(28.2)
|
20,036
|
(75.6)
|
6491
|
(24.4)
|
|
Experience of smoking prevention education in school
|
|
Yes
|
16,218
|
(74.0)
|
5806
|
(26.0)
|
17,379
|
(76.5)
|
5395
|
(23.5)
|
|
No
|
4836
|
(50.6)
|
4764
|
(49.4)
|
4798
|
(61.2)
|
3080
|
(38.8)
|
- aWeighted percentages considering the complex sample survey design
