Table 3.
CPM Approach: Exploratory and confirmatory factor models of alcohol dependence symptoms
| Exploratory | Confirmatory | ||||
|---|---|---|---|---|---|
| Parameters | Sample-1 EFA (n=1298) | Sample-2 CFA (n=1298) | Full Sample CFA (N=2596) | ||
| Fit statistics | |||||
| χ2 | 109.596 | 100.862 | 179.382 | ||
| df | 44 | 44 | 44 | ||
| RMSEA | 0.034 | 0.032 | 0.034 | ||
| CFI | -- | 0.999 | 0.998 | ||
| TLI | -- | 0.998 | 0.998 | ||
| RMSR | 0.026 | -- | -- | ||
| Factor loadings | |||||
| Sx1: Recurrent use resulting in failure to fulfill major roles | 0.927 | 0.921 | 0.924 | ||
| Sx2: Recurrent use in situations in which it is physically hazardous | 0.897 | 0.898 | 0.897 | ||
| Sx3: Continued use despite persistent or recurrent social problems | 0.916 | 0.909 | 0.912 | ||
| Sx4: Tolerance | 0.844 | 0.823 | 0.833 | ||
| Sx5: Withdrawal | 0.907 | 0.927 | 0.917 | ||
| Sx6: Taken in larger amounts or over a longer period than was intended | 0.867 | 0.859 | 0.863 | ||
| Sx7: Persistent desire to cut down or control alcohol use | 0.873 | 0.899 | 0.885 | ||
| Sx8: A great deal of time spent to obtain/use/recover from alcohol | 0.935 | 0.891 | 0.913 | ||
| Sx9: Given up or cut back on important activities in order to drink | 0.952 | 0.956 | 0.954 | ||
| Sx10: Continued to use alcohol despite knowledge physical or psychological problems | 0.926 | 0.909 | 0.917 | ||
| Sx11: Craving | 0.894 | 0.910 | 0.900 | ||
Note: EFA = Exploratory factor analysis; CFA = Confirmatory factor analysis; df = degrees of freedom; RMSEA = Root Mean Square Error Of Approximation; CFI = Comparative Fit Index; TLI = Tucker Lewis Index; RMSR = Root Mean Square Residual