TABLE 4. Item Response Theory analyses of alcohol use disorder by Emergency Room Collaborative Alcohol Analysis Project (ERCAAP) sites.
| ALL ERS | US-Santa Clara | Mexico-Pachuca | Mar del Plata-Argentina | Warsaw & Sosnowiec, Poland | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Base model | Base model | Base model | Base model | Base model | ||||||
| Discrimination (S.E.) |
Severity (S.E.) |
Discrimination (S.E.) |
Severity (S.E.) |
Discrimination (S.E.) |
Severity (S.E.) |
Discrimination (S.E.) |
Severity (S.E.) |
Discrimination (S.E.) |
Severity (S.E.) |
|
| Tolerance (D) | 1.79 (0.1) | 1.57 (0.05) | 1.97 (0.2) | 1.10 (0.07) | 2.32 (0.4) | 1.69 (0.11) | 1.43 (0.2) | 1.74 (0.14) | 1.33 (0.2) | 2.18 (0.14) |
| Withdrawal (D) | 1.62 (0.1) | 1.23 (0.04) | 2.15 (0.2) | 0.86 (0.06) | 1.38 (0.2) | 1.14 (0.10) | 1.26 (0.2) | 1.72 (0.14) | 1.58 (0.2) | 1.44 (0.08) |
| Larger/Longer (D) | 2.04 (0.1) | 1.11 (0.04) | 2.19 (0.3) | 0.73 (0.06) | 3.41 (0.6) | 1.11 (0.07) | 1.99 (0.3) | 1.23 (0.09) | 1.28 (0.1) | 1.61 (0.10) |
| Quit/Control (D) | 2.02 (0.1) | 1.45 (0.05) | 2.99 (0.4) | 1.00 (0.06) | 1.33 (0.2) | 1.44 (0.12) | 1.60 (0.2) | 1.68 (0.13) | 1.78 (0.3) | 2.11 (0.13) |
| Time spent (D) | 2.94 (0.2) | 1.39 (0.04) | 3.52 (0.5) | 0.98 (0.06) | 2.88 (0.5) | 1.46 (0.09) | 2.88 (0.5) | 1.30 (0.08) | 2.76 (0.5) | 2.02 (0.10) |
| Activities given up (D) | 2.80 (0.3) | 1.61 (0.05) | 3.03 (0.5) | 1.19 (0.07) | 2.14 (0.4) | 1.67 (0.11) | 3.45 (0.9) | 1.69 (0.11) | 2.13 (0.3) | 2.21 (0.12) |
| Physical/psychological problems (D) | 1.95 (0.1) | 1.18 (0.04) | 1.89 (0.2) | 0.80 (0.06) | 1.88 (0.3) | 1.30 (0.09) | 2.57 (0.4) | 1.25 (0.08) | 1.58 (0.2) | 1.54 (0.09) |
| Neglect roles (A) | 1.54 (0.1) | 1.45 (0.05) | 1.38 (0.1) | 1.24 (0.09) | 2.13 (0.3) | 1.13 (0.08) | 1.57 (0.2) | 1.58 (0.12) | 1.48 (0.2) | 1.82 (0.11) |
| Hazardous use (A) | 1.37 (0.1) | 1.84 (0.07) | 1.39 (0.2) | 1.52 (0.11) | 1.23 (0.2) | 2.18 (0.23) | 1.49 (0.2) | 1.74 (0.14) | 1.34 (0.2) | 2.12 (0.14) |
| Legal problems (A) | 1.98 (0.2) | 1.98 (0.07) | 1.79 (0.2) | 1.52 (0.09) | 1.76 (0.4) | 2.39 (0.25) | 2.35 (0.7) | 2.32 (0.19) | 2.38 (0.4) | 2.22 (0.13) |
| Social/Interpersonal problems (A) | 1.92 (0.1) | 1.41 (0.05) | 1.73 (0.2) | 0.98 (0.07) | 1.91 (0.3) | 1.62 (0.11) | 1.87 (0.3) | 1.67 (0.12) | 2.44 (0.4) | 1.61 (0.08) |
| Bayesian Information Criterion (BIC) | 15280.343 | 5602.446 | 2680.439 | 2907.884 | 4054.591 | |||||
| Sample-Size Adjusted BIC | 15210.439 | 5532.578 | 2610.602 | 2838.033 | 3984.713 | |||||
| Akaike (AIC) | 15146.845 | 5497.188 | 2585.741 | 2808.988 | 3944.563 | |||||
| Usual 5+/4+ for Men/Women | 0.54 (0.04) | 0.44 (0.05) | 0.77 (0.1) | 0.89 (0.10) | 0.54 (0.1) | (-0.76) (0.15) | 0.85 (0.1) | 1.05 (0.11) | 0.69 (0.1) | (-0.01) (0.07) |
| Bayesian Information Criterion (BIC) | 19318.55 | 6518.006 | 3362.339 | 3548.913 | 5470.552 | |||||
| Sample-Size Adjusted BIC | 19242.292 | 6441.787 | 3286.153 | 3472.712 | 5394.322 | |||||
| Akaike (AIC) | 19172.916 | 6403.179 | 3259.032 | 3441.026 | 5350.522 | |||||
| 12+ Monthly/Any for Men/Women | 1.08 (0.1) | 1.08 (0.05) | 1.09 (0.1) | 0.97 (0.09) | 0.87 (0.1) | 1.01 (0.12) | 1.38 (0.2) | 0.88 (0.08) | 1.23 (0.1) | 1.29 (0.08) |
| Bayesian Information Criterion (BIC) | 17877.09 | 6342.244 | 3214.044 | 3453.668 | 4813.899 | |||||
| Sample-Size Adjusted BIC | 17800.831 | 6266.025 | 3137.858 | 3377.467 | 4737.669 | |||||
| Akaike (AIC) | 17731.455 | 6227.417 | 3110.737 | 3345.782 | 4693.869 | |||||
| 5+ Weekly/Monthly for Men/Women | 1.08 (0.1) | 1.03 (0.05) | 1.23 (0.1) | 0.87 (0.08) | 0.97 (0.1) | 1.46 (0.15) | 1.29 (0.2) | 0.76 (0.08) | 1.22 (0.1) | 1.03 (0.07) |
| Bayesian Information Criterion (BIC) | 17956.534 | 6321.914 | 3076.866 | 3510.967 | 4964.491 | |||||
| Sample-Size Adjusted BIC | 17880.276 | 6245.695 | 3000.68 | 3434.766 | 4888.261 | |||||
| Akaike (AIC) | 17810.9 | 6207.087 | 2973.559 | 3403.08 | 4844.461 | |||||
| Drunk Monthly/Any for Men/Women | 1.34 (0.1) | 1.69 (0.05) | 1.18 (0.1) | 1.31 (0.10) | 1.14 (0.2) | 1.91 (0.19) | 1.30 (0.2) | 1.63 (0.13) | 1.92 (0.3) | 2.09 (0.13) |
| Bayesian Information Criterion (BIC) | 16608.255 | 6168.202 | 2919.738 | 3223.419 | 4253.866 | |||||
| Sample-Size Adjusted BIC | 16531.997 | 6091.983 | 2843.552 | 3147.218 | 4177.636 | |||||
| Akaike (AIC) | 16462.621 | 6053.375 | 2816.431 | 3115.533 | 4133.836 | |||||