Table 3.
Rasch analyses of the 11 YFAS2 diagnostic criteria
| Diagnostic criteria | Measure | SE | Infit | Outfit | ||
|---|---|---|---|---|---|---|
| MnSq | Zstd | MnSq | Zstd | |||
| Substance taken in larger amount and for longer period than intended (#1+#2+#3) | .74 | .14 | 1.37 | 3.9 | 3.29 | 8.3 |
| Persistent desire or repeated unsuccessful attempts to quit (#4+#25+#31+#32) | 1.36 | .15 | 1.05 | .5 | 2.44 | 4.3 |
| Much time/activity to obtain, use, recover (#5+#6+#7) | 2.29 | .17 | 1.32 | 2.8 | 3.10 | 3.6 |
| Important social, occupational, or recreational activities given up or reduced (#8+#10+#18+#20) | − 2.12 | .12 | .72 | − 5.5 | 1.12 | .6 |
| Use continues despite knowledge of adverse consequences (e.g., emotional problems, physical problems) (#22+#23) | .93 | .14 | .90 | − 1.1 | 1.44 | 2.0 |
| Tolerance (marked increase in amount; marked decrease in effect) (#24+#26) | 1.69 | .16 | .85 | − 1.6 | 1.25 | .9 |
| Characteristic withdrawal symptoms; substance taken to relieve withdrawal (#11+#12+#13+#14+#15) | − .13 | .12 | .98 | − .3 | 1.49 | 3.4 |
| Continued use despite social or interpersonal problems (#9+#21+#35) | − 2.46 | .12 | .83 | − 3.0 | .96 | .0 |
| Failure to fulfill major role obligation (e.g., work, school, home) (#19+#27) | − 1.88 | .12 | .84 | − 3.1 | 1.35 | 1.7 |
| Use in physically hazardous situations (#28+#33+#34) | − 1.72 | .11 | .82 | − 3.5 | .87 | − .7 |
| Craving, or a strong desire or urge to use (#29+#30) | 1.31 | .15 | .70 | − 3.5 | .54 | − 2.3 |
MnSq mean square; Zstd standardized score; SE standard error