|
11–12 years
|
Transition from baseline to follow-up
|
Intervention
|
Control
| | | |
|---|
| | |
N
|
%
|
N
|
%
|
OR
|
95%CI
|
p
|
|---|
|
Tobacco
|
non-use to use
|
2/295
|
0.7
|
0/384
|
0.0
|
Non-estimable
|
Non-estimable
|
Non-estimable
|
|
use to non-use
|
0/1
|
0.0
|
0/0
|
0.0
|
|
Alcohol
|
non-use to use
|
8/232
|
3.4
|
7/331
|
2.1
|
1.77
|
0.46;6.83
|
0.409
|
|
use to non-use
|
8/19
|
42.1
|
5/18
|
27.8
|
2.49
|
0.45;13.73
|
0.296
|
|
Binge drinking
|
non-use to use
|
8/214
|
3.7
|
8/320
|
2.5
|
1.53
|
0.50;4.68
|
0.453
|
|
use to non-use
|
5/12
|
41.7
|
2/5
|
40.0
|
0.96
|
0.10;9.04
|
0.971
|
|
Marihuana
|
non-use to use
|
2/249
|
0.8
|
4/377
|
1.1
|
Non-estimable
|
Non-estimable
|
Non-estimable
|
|
use to non-use
|
0/0
|
0.0
|
1/1
|
100.0
|
|
Inhalants
|
non-use to use
|
3/244
|
1.2
|
5/377
|
1.3
|
Non-estimable
|
Non-estimable
|
Non-estimable
|
|
use to non-use
|
1/2
|
50.0
|
1/1
|
100.0
|
|
13–15 years
|
|
Tobacco
|
non-use to use
|
11/430
|
2.6
|
8/530
|
1.5
|
1.70
|
0.68;4.26
|
0.259
|
|
use to non-use
|
7/11
|
63.6
|
8/17
|
47.1
|
2.02
|
0.42;9.62
|
0.378
|
|
Alcohol
|
non-use to use
|
38/311
|
12.2
|
36/380
|
9.5
|
1.39
|
0.80;2.42
|
0.241
|
|
use to non-use
|
26/59
|
44.1
|
28/80
|
35.0
|
1.39
|
0.65;2.94
|
0.393
|
|
Binge drinking
|
non-use to use
|
17/300
|
5.7
|
36/379
|
9.5
|
0.57
|
0.31;1.08
|
0.084
|
|
use to non-use
|
19/40
|
47.5
|
18/45
|
40.0
|
1.28
|
0.53;3.12
|
0.583
|
|
Marihuana
|
non-use to use
|
12/425
|
2.8
|
10/539
|
1.9
|
1.53
|
0.66;3.59
|
0.323
|
|
use to non-use
|
6/7
|
85.7
|
2/7
|
28.6
|
17.49
|
1.16;63.21
|
0.039
|
|
Inhalants
|
non-use to use
|
5/420
|
1.2
|
9/530
|
1.7
|
0.70
|
0.23;2.11
|
0.528
|
|
use to non-use
|
8/10
|
80.0
|
6/10
|
60.0
|
2.56
|
0.34;19.18
|
0.358
|
- *cocaine and crack have been excluded from this table because only 1 transition has been observed in the use of each substance
