Table 3.
Standardized path coefficients and standard errors for final path models
| Predictors | Mediators |
Outcomes |
|||
|---|---|---|---|---|---|
| T1 impulsivity β (SE) | T1 sensation seeking β (SE) | T2 alcohol problems β (SE) | T2 conduct problems β (SE) | T2 hyperactive–inattentive symptoms β (SE) | |
| Results without controlling for T1 symptoms | |||||
| GABRA2 | –0.15 (0.05)* | –0.21 (0.08)* | 0.35 (0.10)** | 0.10 (0.06) | 0.03 (0.07) |
| Ancestry | 0.08 (0.08) | 0.06 (0.09) | –0.15 (0.08)† | –0.08 (0.06) | –0.16 (0.07)* |
| Gender | 0.18 (0.07)* | 0.12 (0.07) | –0.31 (0.13)* | –0.02 (0.06) | –0.21 (0.06)** |
| FHD | 0.28 (0.06)** | 0.25 (0.08)* | –0.06 (0.10) | 0.03 (0.06) | 0.06 (0.06) |
| T1 age | 0.03 (0.07) | 0.02 (0.08) | 0.38 (0.11)* | 0.17 (0.06)* | 0.09 (0.06) |
| Impulsivity | – | – | 0.55 (0.19)* | 0.57 (0.11)** | 0.59 (0.10)** |
| Sensation seeking | – | – | 0.49 (0.19)* | 0.01 (0.16) | –0.07 (0.13) |
| Results while controlling for T1 symptoms | |||||
| GABRA2 | –0.15 (0.05)* | –0.21 (0.08)* | 0.40 (0.09)** | 0.06 (0.06) | 0.02 (0.07) |
| Ancestry | 0.09 (0.08) | 0.06 (0.09) | –0.17 (0.09)* | –0.08 (0.06) | –0.16 (0.06)* |
| Gender | 0.17 (0.07)* | 0.10 (0.07) | –0.23 (0.14)† | –0.04 (0.06) | –0.14 (0.05)* |
| FHD | 0.28 (0.06)** | 0.24 (0.08)* | –0.02 (0.10) | 0.01 (0.06) | 0.08 (0.06) |
| T1 age | 0.01 (0.07) | –0.003 (0.08) | 0.37 (0.11)* | 0.08 (0.05) | 0.04 (0.05) |
| T1 symptomsa | – | – | 0.11 (0.04)* | 0.46 (0.06)** | 0.41 (0.06)** |
| Impulsivity | – | – | 0.50 (0.24)* | 0.31 (0.11)* | 0.36 (0.10)** |
| Sensation seeking | – | – | 0.53 (0.23)* | 0.04 (0.14) | –0.05 (0.11) |
False discovery rate-corrected p value (i.e., q value) thresholds are reported
T1 Time 1, T2 Time 2
*
q ≤ 0.05
**
q ≤ 0.001
†
q ≤ 0.10, N = 292
a
Corresponding T1 symptoms (e.g., T1 ALC predicting T2 ALC)