Table 4.
Early Twenties (Ages 20–22) and Adult (Ages 27–30) Substance Use Problems
Early Twenties Substance Use Problems (Ages 20–22) | Adult Substance Use Problems (Ages 27–30) | |||||||
---|---|---|---|---|---|---|---|---|
r | β | ΔR2 | R2 | r | β | ΔR2 | R2 | |
Step I. Demographic Factors | ||||||||
Gender (1-M; 2=F) | −.19* | −.02 | .09 | .03 | ||||
Total Family Income (13) | .23** | .14* | .12 | .04 | ||||
Statistics for Step | .080*** | .080*** | .022 | .022 | ||||
Step II. Baseline Assessments | ||||||||
Age of first use | −.24** | −.01 | −.22** | −.03 | ||||
Total Frequency of Substance Use (13–17) | .44*** | .25** | .35*** | .26** | ||||
Statistics for Step | .140*** | .220*** | .126*** | .148*** | ||||
Step III. Adolescent-era Risks | ||||||||
Family conflict (13,16) | .06 | −.00 | .09 | −.17* | ||||
Popularity with Peers (13) | .16* | .09 | .11 | .02 | ||||
Adol. Criminal Behavior (13–17) | .22** | −.01 | .20* | −.00 | ||||
Close Peer Use (13–17) | .21** | −.04 | .14 | −.05 | ||||
Statistics for Step | .003 | .223*** | .002 | .150*** | ||||
Step IV. Developmental Risks | ||||||||
Social Skills (13–17) | −.48*** | −.39*** | −.28*** | −.32*** | ||||
Self-concept (13–17) | −.17* | −.04 | −.25** | −.13* | ||||
Statistics for Step | .110*** | .333*** | .125*** | .275*** |
Note.
p < .001.
p < .01.
p < .05.
β weights are from final model.