Table 5.
Association test results and model fit statistics.
Test | Measure | DRD2 Marker |
Covariate | Model | χ2(1) | Theoretical p-value |
No. of informative individuals |
---|---|---|---|---|---|---|---|
1. | DSM-IV | TaqIA | -- | Total | 0.09 | 0.762 | 832 |
Orthogonal | 0.09 | 0.768 | 143 | ||||
CWM | TaqIA | -- | Total | 0.03 | 0.865 | 836 | |
Orthogonal | 0.02 | 0.884 | 143 | ||||
2. | DSM-IV | TaqIA | ND | Total | 0.62 | 0.434 | 480 |
Orthogonal | 0.00 | 1.000 | 80 | ||||
CWM | TaqIA | ND | Total | 0.75 | 0.387 | 482 | |
Orthogonal | 0.00 | 1.000 | 80 |
Note: CWM: Craving Withdrawal Model; ND: Nicotine dependence.