Table 2.
Variance-covariance matrices and correlations (r) of the bivariate random intercept and slope model for sexual risk score with days of alcohol use, marijuana use, and incident of delinquency
| Alcohol (A) | Marijuana (B) | Delinquency (C) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variance- covariance parameters of random intercept and slope |
Risk intercept Estimate (SE) |
Risk slope Estimate (SE) |
intercept Estimate (SE) |
slope Estimate (SE) |
Risk intercept Estimate (SE) |
Risk slope Estimate (SE) |
intercept Estimate (SE) |
slope Estimate (SE) |
Risk intercept Estimate (SE) |
Risk slope Estimate (SE) |
intercept Estimate (SE) |
slope Estimate (SE) |
| Risk intercept | 32.24 (1.13)* |
-- | -- | -- | 42.79 (2.09)* |
-- | -- | -- | 33.62 (1.15)* |
-- | -- | -- |
| Risk slope | −3.13 (0.20)* r = −0.48 |
1.30 (0.05)* |
-- | -- | −5.29 (0.38)* r = −0.65 |
1.55 (0.09)* |
-- | -- | −3.58 (0.21)* r = −0.51 |
1.46 (0.05)* |
-- | -- |
| Intercept | 5.66 (0.32)* r = 0.72 |
−0.29 (0.07)* r = −0.18 |
1.90 (0.17)* |
-- | 11.33 (1.09)* r = 0.39 |
−1.53 (0.23)* r = −0.28 |
19.72 (1.12)* |
-- | 0.87 (0.04)* r = 0.47 |
−0.05 (0.01)* r = −0.12 |
0.10 (0.003)* |
-- |
| Slope | −0.53 (0.10)* r = −0.13 |
0.25 (0.02)* r = 0.29 |
0.04 (0.04) r = 0.04 |
0.55 (0.02)* |
−1.34 (0.26)* r = −0.19 |
0.37 (0.06)* r = 0.28 |
−0.66 (0.22)* r = −0.13 |
1.15 (0.07)* |
−0.09 (0.01)* r = −0.42 |
0.007 (0.001)* r = 0.16 |
−0.01 (0.0004)* r = −0.91 |
0.002 (0.0001)* |
| Residual correlation | r = 0.08* | r = 0.09* | r = 0.08* | |||||||||
*
p<.05