# Table 8 Disapproval of drug use: Percent of students in each group who answered "wrong" or "very wrong."

Control

Drug Ed

How wrong do you think it is for someone your age to...

Baseline N = 524

6-month follow up N = 420

Baseline N = 432

6-month follow up N = 389

"wrong"

"very wrong"

total

"wrong"

"very wrong"

total

"wrong"

"very wrong"

total

"wrong"

"very wrong"

total

P valuea

D10 drink beer, wine or hard liquor regularly?

22.5%

17.7%

40.3%

22.6%

27.1%

49.8%

21.5%

26.4%

47.9%

19.8%

30.6%

50.4%

<0.001

D11 smoke cigarettes?

28.6%

39.9%

68.5%

26.9%

41.9%

68.8%

24.3%

42.1%

66.4%

29.3%

45.0%

74.3%

<0.001

D12 smoke marijuana?

20.4%

60.7%

81.1%

21.2%

60.5%

81.7%

19.0%

61.3%

80.3%

17.2%

66.3%

83.5%

0.102

D13 use LSD, cocaine, amphetamines or another illegal drug?

12.8%

76.3%

89.1%

10.5%

78.8%

89.3%

9.7%

79.2%

88.9%

13.6%

72.5%

86.1%

<0.001

1. aControlling for baseline differences by using an analysis of covariance with a Type III sums of squares