Scale | Sub-group | Validation sample | Cross-validation sample | ||
---|---|---|---|---|---|
Behavioral selection | Behavioral selection | ||||
n | r (p) | n | r (p) | ||
ITT | All sub-groups | 1495 | .694 (< .001) | 1448 | .744 (< .001) |
ASPQ | 260 | .560 (< .001) | 248 | .656 (< .001) | |
ASNPQ | 333 | .557 (< .001) | 315 | .573 (< .001) | |
EV Users | 277 | .472 (< .001) | 283 | .562 (< .001) | |
Former Users | 302 | .571 (< .001) | 275 | .678 (< .001) | |
Never Users | 323 | .644 (< .001) | 327 | .627 (< .001) | |
ITU | All sub-groups | 1495 | .681 (< .001) | 1448 | .722 (< .001) |
ASPQ | 260 | .565 (< .001) | 248 | .667 (< .001) | |
ASNPQ | 333 | .560 (< .001) | 315 | .541 (< .001) | |
EV Users | 277 | .436 (< .001) | 283 | .498 (< .001) | |
Former Users | 302 | .534 (< .001) | 275 | .682 (< .001) | |
Never Users | 323 | .675 (< .001) | 327 | .622 (< .001) | |
ITDU | All sub-groups | 742 | .451 (< .001) | 701 | .551 (< .001) |
ASPQ | 260 | .391 (< .001) | 248 | .490 (< .001) | |
ASNPQ | 333 | .514 (< .001) | 315 | .525 (< .001) | |
EV Users | 149 | .165 (.044) | 138 | .308 (< .001) | |
ITS | All sub-groups | 742 | .537 (< .001) | 701 | .584 (< .001) |
ASPQ | 260 | .604 (< .001) | 248 | .669 (< .001) | |
ASNPQ | 333 | .524 (< .001) | 315 | .513 (< .001) | |
EV Users | 149 | .213 (.009) | 138 | .360 (< .001) |