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

From: The NARCONON™ drug education curriculum for high school students: A non-randomized, controlled prevention trial

  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