| |
Control Group N = 523
|
Drug Ed Group N = 435
|
Significance Level
|
|---|
|
Drug Use Variable
|
Mean
|
Mean
|
t
|
df
|
p valuea
|
|
B1 Cigarettes (frequency)
|
1.38
|
1.45
|
-0.962
|
850
|
0.336
|
|
B2 Smokeless tobacco
|
1.38
|
1.34
|
0.634
|
951
|
0.526
|
|
B3 Cigarettes (amt. smoked)
|
1.51
|
1.62
|
-1.047
|
956
|
0.295
|
|
B4 Alcohol
|
1.64
|
1.51
|
1.611
|
955
|
0.107
|
|
B5 Being drunk
|
1.28
|
1.31
|
-0.408
|
866
|
0.684
|
|
B6 Marijuana
|
1.24
|
1.22
|
0.326
|
944
|
0.744
|
|
B7 Marijuana (amt. smoked)
|
1.19
|
1.21
|
-0.332
|
894
|
0.740
|
|
B8 Sniffed glue
|
1.11
|
1.11
|
0.132
|
876
|
0.895
|
|
B9 LSD
|
1.03
|
1.05
|
-0.672
|
802
|
0.502
|
|
B10 Amphetamines
|
1.07
|
1.13
|
-1.404
|
731
|
0.161
|
|
B11 Crack
|
1.05
|
1.07
|
-0.836
|
804
|
0.403
|
|
B12 Cocaine
|
1.06
|
1.07
|
-0.247
|
922
|
0.805
|
|
B13 Tranquiller
|
1.08
|
1.10
|
-0.513
|
790
|
0.608
|
|
B14 Barbiturates
|
1.08
|
1.10
|
-0.699
|
732
|
0.485
|
|
B15 Crystal Meth
|
1.04
|
1.07
|
-0.829
|
769
|
0.407
|
|
B16 Amphetamine w/o Rx
|
1.09
|
1.08
|
0.022
|
907
|
0.982
|
|
B17 Heroin
|
1.02
|
1.05
|
-1.078
|
654
|
0.281
|
|
B18 Other Narcotics
|
1.07
|
1.08
|
-0.257
|
866
|
0.798
|
|
B19 Ecstasy
|
1.07
|
1.06
|
0.463
|
904
|
0.644
|
|
B20 Roofies
|
1.02
|
1.06
|
-1.087
|
588
|
0.277
|
|
B21 GHB
|
1.02
|
1.04
|
-1.126
|
532
|
0.261
|
|
B22 Super K
|
1.02
|
1.05
|
-1.013
|
626
|
0.311
|
- aControlling for baseline differences by using an analysis of covariance with a Type III sums of squares, The t-test df is corrected for unequal variances.
