Skip Navigation LinksHome > May 2009 - Volume 66 - Issue 5 > Evaluation of an Adolescent Hospital-Based Injury Prevention...
Journal of Trauma-Injury Infection & Critical Care:
doi: 10.1097/TA.0b013e31819dc467
Original Articles

Evaluation of an Adolescent Hospital-Based Injury Prevention Program

Stewart, Tanya Charyk MSc; Polgar, Denise EMCA; Girotti, Murray J. MD, FRCSC, FACS; Vingilis, Evelyn PhD; Caro, Daniel MSc; Corbett, Bradley A. PhD; Parry, Neil MD, FRCSC, FACS

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Abstract

Background: IMPACT (Impaired Minds Produce Actions Causing Trauma) is an adolescent, hospital-based program aimed to prevent injuries and their consequences caused by alcohol or drug impairment and other high-risk behaviors. The overall objective of this evaluation was to determine the effect of the program on students’ knowledge and behavior regarding drinking and driving, over time.

Methods: A randomized control trial between students randomly selected to attend IMPACT and those not selected served as a control group. Students completed a questionnaire before the program and at three posttime periods (1 week, 1 month, and 6 months). Panel data models were used to analyze the effects of the experiment on students’ knowledge of alcohol and crash issues and negative driving behaviors (no seat belt, driving while using a cell phone, involved in conversation, eating, annoyed with other drivers, and drowsy). Descriptive statistics and logistic regression models were used to analyze the effect of IMPACT on students’ influence on friends and family about road safety.

Results: This study consisted of 269 students (129 IMPACT; 140 control) with an overall response rate of 84% (range, 99% presurvey to 71% at 6 months). The IMPACT group had a 57%, 38%, and 43% increase in the number of correct answers on alcohol and crash issues during the three time periods, respectively (p < 0.05). Students in the IMPACT group would try to influence friends and family to improve their road safety twice as often as 1-week postprogram (odds ratio 1.94, confidence interval 1.07, 3.53). The models did not suggest that the program had an effect on negative driving behaviors. Men and students who drove more frequently had worse driving behavior.

Conclusions: Our evaluation demonstrates that the IMPACT program had a statistically significant, positive effect on students’ knowledge of alcohol and crash issues that was sustained over time. IMPACT had an initial effect on students’ behaviors in terms of peer influence toward improving road safety (i.e., buckling up, not drinking, and driving) 1 week after the program, but this effect diminished after 1 month. Other negative driving behaviors had low prevalence at baseline and were not further influenced by the program.

© 2009 Lippincott Williams & Wilkins, Inc.

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