Table 4.
Model | Variables | Test of group means
|
Summary of canonical discriminant function
|
||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Wilks’ lambda | F | p | Standardized coefficient | Eigen-value | Canonical correlation | Wilks’ lambda | χ2 | p | % of original grouped cases correctly classified | ||
1A | Left frontal volume | 0.930 | 7.88 | 0.06 | −9.419a | 0.076 | 0.265 | 0.930 | 7.56 | 0.006 | 56.6 |
1B | Left frontal volume | 0.915 | 9.65 | 0.002 | −0.455 | 0.549 | 0.595 | 0.646 | 44.82 | <0.001 | 78.3 |
Total gray volume | 0.970 | 3.17 | 0.078 | Excl. | |||||||
CDV | 0.759 | 34.61 | <0.001 | 0.739 | |||||||
PY | 0.874 | 14.98 | <0.001 | 0.463 | |||||||
FH | 0.950 | 3.17 | 0.021 | Excl. | |||||||
1C | Left frontal volume | 0.919 | 8.15 | 0.005 | −0.496 | 0.457 | 0.560 | 0.686 | 34.47 | <0.001 | 77.4 |
Total gray volume | 0.976 | 2.25 | 0.137 | Excl. | |||||||
CDV | 0.778 | 26.59 | <0.001 | 0.681 | |||||||
PY | 0.874 | 13.67 | <0.001 | 0.437 | |||||||
FHD | 0.990 | 0.90 | 0.347 | Excl. | |||||||
2A | Left superior frontal volume | 0.915 | 9.65 | 0.002 | −8.968a | 0.093 | 0.291 | 0.915 | 9.185 | 0.002 | 58.5 |
2B | Left superior frontal volume | 0.930 | 7.88 | 0.006 | −0.455 | 0.549 | 0.595 | 0.646 | 44.82 | <0.001 | 81.1 |
Total gray volume | 0.970 | 3.17 | 0.078 | 0.891 | |||||||
CDV | 0.750 | 34.61 | <0.001 | 0.739 | |||||||
PY | 0.874 | 14.98 | <0.001 | 0.463 | |||||||
FH | 0.950 | 5.49 | 0.04 | Excl. | |||||||
2C | Left superior frontal volume | 0.936 | 6.40 | 0.013 | −0.404 | 0.493 | 0.541 | 0.780 | 31.64 | <0.001 | 81.1 |
Total gray volume | 0.976 | 2.25 | 0.137 | Excl. | |||||||
CDV | 0.778 | 26.59 | 0.013 | 0.695 | |||||||
PY | 0.874 | 13.37 | <0.001 | 0.435 | |||||||
FHD | 0.990 | 0.90 | 0.347 | Excl. |
CDV, cumulative lifetime drink volume; PY, pack-year; FH, Any Parent Diagnosis for Alcohol Abuse or Dependence; FHD, family history density; Excl., variable excluded from final model.
Unstandardized coefficient due to model containing a single factor.