| |
(i) Base Model C-S R
2.= .004
|
(ii) Adding education & personality C-S R
2 = .033
|
(iii) Adding Substance Use C-S R
2 = .066
|
|---|
| |
OR
|
95% CI
|
OR
|
95% CI
|
OR
|
95% CI
|
|---|
|
Age
|
1.0
|
0.9 - 1.1
|
0.9
|
0.9 - 1.1
|
0.9
|
0.8 - 1.1
|
|
Gender
|
1.5
|
0.8 - 2.8
|
1.3
|
0.7 - 2.5
|
1.3
|
0.7 - 2.6
|
|
Not in education
| | |
2.0
|
1.0 - 3.8
|
1.9
|
0.9 - 3.6
|
|
Fun-seeking
| | |
0.9
|
0.8 - 1.0
|
0.9
|
0.8 - 1.1
|
|
Cannabis Risk
| | | | |
1.0
|
.05 - 2.0
|
|
Alcohol Risk
| | | | |
1.8
|
0.9 - 3.8
|
|
Tobacco Risk
| | | | |
2.3
|
1.0 - 5.0
|
-
Bold = p < .05. Step 1: Nag R
2 = .01, -2LL: 285.30, Model χ
2
(2) = 1.35, p = .51. Step 2: Δχ2 = 4.33, Nag R
2 = .05, -2LL: 276.41, Model χ
2
(4) = 10.25, p = .04. Step 3: Δχ2 = 4.24, Nag R
2 = .11, -2LL: 266.03, Model χ
2
(7) = 20.62, p < .01.
