Table 3.
Exploratory factor analyses of AUD by Emergency Room Collaborative Alcohol Analysis Project sites
| Base model (DSM-IV 11 criteria) |
Model with craving (DSM-IV 11 criteria + craving) |
|||||||
| Variable | One factor | Two factors | One factor | Two factors | ||||
| Santa Clara, CA, United States | ||||||||
| Tolerance (D) | 0.888 | 0.971 | −0.084 | 0.892 | 0.980 | −0.094 | ||
| Withdrawal (D) | 0.911 | 0.911 | 0.005 | 0.912 | 0.912 | 0.004 | ||
| Larger/longer (D) | 0.906 | 0.932 | −0.024 | 0.904 | 0.915 | −0.008 | ||
| Quit/control (D) | 0.953 | 0.942 | 0.016 | 0.951 | 0.916 | 0.042 | ||
| Time spent (D) | 0.967 | 0.942 | 0.032 | 0.970 | 0.957 | 0.018 | ||
| Activities given up (D) | 0.958 | 0.966 | −0.005 | 0.959 | 0.959 | 0.003 | ||
| Physical/psychological problems (D) | 0.890 | 0.634 | 0.286 | 0.890 | 0.638 | 0.282 | ||
| Neglect roles (A) | 0.810 | 0.189 | 0.676 | 0.808 | 0.190 | 0.675 | ||
| Hazardous use (A) | 0.795 | 0.589 | 0.231 | 0.800 | 0.622 | 0.200 | ||
| Legal problems (A) | 0.881 | −0.006 | 0.958 | 0.875 | −0.006 | 0.956 | ||
| Social/interpersonal problems (A) | 0.885 | 0.216 | 0.730 | 0.881 | 0.198 | 0.748 | ||
| Craving | — | — | — | 0.938 | 0.982 | −0.046 | ||
| Factor correlation | — | 0.867 | — | 0.868 | ||||
| Eigenvalue | 8.955 | 9.473 | 9.821 | 10.356 | ||||
| CFI | 0.998 | 1.000 | 0.999 | 1.000 | ||||
| TLI | 0.998 | 1.000 | 0.998 | 1.000 | ||||
| RMSEA | 0.039 | 0.000 | 0.037 | 0.000 | ||||
| Pachuca, Mexico | ||||||||
| Tolerance (D) | 0.888 | 0.743 | 0.163 | 0.895 | 0.806 | 0.150 | ||
| Withdrawal (D) | 0.788 | 0.850 | −0.049 | 0.785 | 0.808 | −0.028 | ||
| Larger/longer (D) | 0.963 | 0.987 | −0.004 | 0.961 | 0.896 | 0.112 | ||
| Quit/control (D) | 0.790 | 0.023 | 0.797 | 0.788 | 0.796 | −0.002 | ||
| Time spent (D) | 0.924 | 0.562 | 0.387 | 0.920 | 0.824 | 0.162 | ||
| Activities given up (D) | 0.877 | 0.452 | 0.451 | 0.873 | 0.939 | −0.092 | ||
| Physical/psychological problems (D) | 0.873 | 0.833 | 0.056 | 0.872 | 0.930 | −0.079 | ||
| Neglect roles (A) | 0.901 | 0.174 | 0.763 | 0.899 | 0.805 | 0.157 | ||
| Hazardous use (A) | 0.726 | 0.386 | 0.3860 | 0.720 | 0.781 | −0.088 | ||
| Legal problems (A) | 0.796 | 0.002 | 0.820 | 0.851 | 0.002 | 1.270 | ||
| Social/interpersonal problems (A) | 0.857 | −0.062 | 0.953 | 0.858 | 0.706 | 0.243 | ||
| Craving | — | — | — | 0.866 | 0.636 | 0.349 | ||
| Factor correlation | — | 0.892 | — | 0.546 | ||||
| Eigenvalue | 8.189 | 8.905 | 8.939 | 9.735 | ||||
| CFI | 1.000 | 1.000 | 0.999 | 1.000 | ||||
| TLI | 1.000 | 1.000 | 0.999 | 1.000 | ||||
| RMSEA | 0.010 | 0.000 | 0.019 | 0.000 | ||||
| Base model (DSM-IV 11 criteria) |
Model with craving (DSM-IV 11 criteria) |
|||||||
| Variable | One factor | Two factors | One factor | Two factors | ||||
| Mar del Plata, Argentina | ||||||||
| Tolerance (D) | 0.808 | 0.809 | 0.009 | 0.803 | 0.804 | −0.027 | ||
| Withdrawal (D) | 0.778 | 0.783 | 0.243 | 0.783 | 0.772 | 0.298 | ||
| Larger/longer (D) | 0.879 | 0.872 | −0.169 | 0.888 | 0.892 | −0.156 | ||
| Quit/control (D) | 0.842 | 0.846 | 0.018 | 0.841 | 0.834 | 0.182 | ||
| Time spent (D) | 0.943 | 0.937 | −0.274 | 0.939 | 0.945 | −0.170 | ||
| Activities given up (D) | 0.978 | 0.975 | −0.060 | 0.981 | 0.981 | −0.004 | ||
| Physical/psychological problems (D) | 0.921 | 0.926 | 0.089 | 0.923 | 0.920 | 0.092 | ||
| Neglect roles (A) | 0.821 | 0.815 | −0.180 | 0.817 | 0.826 | −0.256 | ||
| Hazardous use (A) | 0.818 | 0.820 | 0.086 | 0.812 | 0.807 | 0.118 | ||
| Legal problems (A) | 0.931 | 0.931 | −0.035 | 0.926 | 0.930 | −0.110 | ||
| Social/interpersonal problems (A) | 0.881 | 0.888 | 0.217 | 0.881 | 0.875 | 0.172 | ||
| Craving | — | — | — | 0.876 | 0.875 | 0.025 | ||
| Factor correlation | — | −0.006 | — | 0.032 | ||||
| Eigenvalue | 8.563 | 9.134 | 9.308 | 9.887 | ||||
| CFI | 0.999 | 1.000 | 0.999 | 0.999 | ||||
| TLI | 0.999 | 1.000 | 0.999 | 0.999 | ||||
| RMSEA | 0.021 | 0.011 | 0.020 | 0.016 | ||||
| Warsaw and Sosnowiec, Poland | ||||||||
| Tolerance (D) | 0.746 | 0.821 | −0.219 | 0.746 | 0.805 | −0.213 | ||
| Withdrawal (D) | 0.824 | 0.840 | −0.026 | 0.823 | 0.839 | −0.040 | ||
| Larger/longer (D) | 0.788 | 0.902 | −0.304 | 0.781 | 0.882 | −0.333 | ||
| Quit/control (D) | 0.847 | 0.850 | 0.010 | 0.842 | 0.848 | −0.002 | ||
| Time spent (D) | 0.913 | 0.917 | 0.017 | 0.927 | 0.929 | 0.024 | ||
| Activities given up (D) | 0.868 | 0.907 | −0.089 | 0.873 | 0.903 | −0.083 | ||
| Physical/psychological problems (D) | 0.830 | 0.790 | 0.133 | 0.831 | 0.802 | 0.126 | ||
| Neglect roles (A) | 0.791 | 0.768 | 0.086 | 0.784 | 0.775 | 0.059 | ||
| Hazardous use (A) | 0.755 | 0.763 | −0.003 | 0.752 | 0.763 | −0.019 | ||
| Legal problems (A) | 0.953 | 0.659 | 0.678 | 0.953 | 0.722 | 0.633 | ||
| Social/interpersonal problems (A) | 0.944 | 0.816 | 0.286 | 0.944 | 0.840 | 0.278 | ||
| Craving | — | — | — | 0.851 | 0.815 | 0.142 | ||
| Factor correlation | — | 0.293 | — | 0.226 | ||||
| Eigenvalue | 7.910 | 8.632 | 8.631 | 9.369 | ||||
| CFI | 0.995 | 0.999 | 0.995 | 0.999 | ||||
| TLI | 0.993 | 0.998 | 0.994 | 0.998 | ||||
| RMSEA | 0.031 | 0.015 | 0.030 | 0.017 | ||||
Notes: AUD = alcohol use disorder; DSM-IV = Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition; CFI = comparative fit index; TLI = Tucker-Lewis index; RMSEA = root mean square error of approximation.