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Table 4 Percentage Correct Responses1 to Survey Items on Knowledge of Short-Term Effects and Attitudes about Tobacco Use Among a Pooled 19 School Aggregate of 5th Grade Students in Western New York State who Received a Tobacco Prevention Program Intervention During the 1998–1999 School Year.

From: Longitudinal impact of a youth tobacco education program

Survey Item: Baseline Survey (Pre-Test) (N = 1596) Evaluation Survey (Immediate Post-Test) (N = 1438)
  %2 %2 p-value
Knowledge of short-term effects of tobacco:    
(1) Smoking causes bad breath ..................... 98.9 100 p = 0.0005
(2) Smokers have yellow teeth and fingers ............ 76.9 96.7 p < 0.0001
(3) Low tar cigarettes are safe ..................... 93.0 96.7 p = 0.0004
(4) Smokers have clean smelling clothes ............. 90.0 94.5 p < 0.0001
(5) Smoking decreases the amount of air that gets into your lungs ........................ 90.0 92.5 p = 0.0036
(6) Smoking 1 pack of cigarettes a day costs several hundred dollars per year.................. 86.6 93.4 p = 0.0002
Attitude about tobacco use:    
(7) People who use tobacco are popular and glamorous... 94.3 94.7 N.S.
(8) Some people start to use tobacco because their friends do ............................... 95.6 97.5 p = 0.0223
(9) Smoking is relaxing .......................... 89.9 89.4 N.S.
(10) Advertising tells the truth about the effects of tobacco use. ........................... 80.0 87.3 p = 0.0162
  1. 1Proportions were compared at the School Level (N = 19), using Wilcoxon-Matched Pairs/Signed Rank Tests. P-values were identified as significant if they were less than or equal to .05, thus rejecting the null hypothesis (that the Intervention had No Effect); n.s. = not significant. 2Percentages shown are the Medians, which summarize the distribution of correct responses by school.