TABLE 3.

Frequency of Drug Use Relative to Stimulant Treatment in High School

MeasureUntreated (N = 21)Treated (N = 98)FPEta2
MeanSDMeanSD
Current alcohol/drug use
 Average no. of alcoholic drinks per wk
  Raw9.515.010.217.2
  Transformed0.640.580.670.590.07NS0.000
 No. of drunken episodes in past 3 mo
  Raw6.014.36.410.3
  Transformed0.440.500.490.570.17NS0.001
No. of times used drugs in past 3 mo9.524.011.326.6
  Raw
  Transformed0.400.620.470.650.33NS0.002
Lifetime frequencies for
 Marijuana
  Raw208.3301.5266.8330.7
  Transformed1.271.171.491.220.87NS0.006
 Cocaine
  Raw9.769.741.5157.5
  Transformed0.180.480.400.734.19.0430.028
 Amphetamines/speed
  Raw5.116.76.417.9
  Transformed0.200.500.270.570.50NS0.003
 Any stimulant
  Raw14.872.047.9170.2
  Transformed0.310.640.520.792.38NS0.016
 Hallucinogens
  Raw3.99.07.312.2
  Transformed0.290.490.450.622.51NS.017
 Narcotics
  Raw0.32.60.31.8
  Transformed0.010.140.040.190.50NS.005
 Sedatives
  Raw2.08.82.99.0
  Transformed0.100.330.150.420.95NS.007
 Other drugs
  Raw1.77.82.58.3
  Transformed0.100.340.150.420.56NS.004
  • NS indicates not significant.