Table 6 Rasch analyses of the 11 modified YFAS2 (mYFAS2) diagnostic criteria

Substance taken in larger amount and for longer period than intended (#3)

1.13

1.5

2.29

5.1

Persistent desire or repeated unsuccessful attempts to quit (#32)

1.22

2.1

2.97

5.1

Much time/activity to obtain, use, recover (#5)

1.09

0.8

1.33

0.8

Important social, occupational, or recreational activities given up or reduced (#10)

0.96

− 0.7

1.23

1.1

Use continues despite knowledge of adverse consequences (e.g., emotional problems, physical problems) (#22)

0.92

− 0.9

1.20

1.1

Tolerance (marked increase in amount; marked decrease in effect) (#24)

0.96

− 0.3

1.82

0.19

Characteristic withdrawal symptoms; substance taken to relieve withdrawal (#13)

1.11

1.4

1.84

4.6

Continued use despite social or interpersonal problems (#35)

0.81

− 3.5

0.98

0.0

Failure to fulfill major role obligation (e.g., work, school, home) (#19)

0.74

− 4.9

0.71

− 1.9

Use in physically hazardous situations (#33)

0.77

− 4.4

1.22

1.3

Craving, or a strong desire or urge to use (#29)

0.72

− 3.5

0.80

− 0.9