Table 2.
Multivariate associations of demographic and clinical factors with delayed sleep onset phenotype in depressed young people ( n = 302)
| |
(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.