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Model #1
1-Factor
No Inhalant Indicators
Model #2
1-Factor
with Inhalant Indicators
Model #3
2-Factor

SL
R2
SL
R2
SL
R2
Lifetime  marijuana use
.66
.44
.78
.61
.81
.66
Problem alcohol use
.73
.53
.55
.30
.59
.35
Fights
.28
.08
.25
.06
.26
.07
Risky vehicle use
.64
.41
.57
.32
.57
.32
Lifetime inhalant use
-
-
.64
.41
.81
.66
Past month inhalant use
-
-
.54
.29
.63
.40
      Model c2
3.81
219.95
127.29
      Average Variance
      Accounted for (%)

37%

33%

41%

Note.  SL = Standardized factor loading; R2= estimated proportion of variance in each problem
behavior accounted for by the common factor.  Standardized loadings for all variables are significant
at p<.0001.