nonexistent drug or having been "not honest at all" in completing the survey, he or she was removed from the sample. Additionally, some respondents were found to have self-reported an impossibly high amount of drugs, and some respondents did not respond to a large number of questions. These questionnaires were also removed from the sample. Seven hundred six (5.4 percent) surveys were eliminated, leaving a total of 12,203 questionnaires for analysis.
Measures
The questionnaire given to students was developed as part of a larger project called the Six-State Consortium, led by the Social Development Research Group at the University of Washington. The Consortium's goal was to develop a survey instrument that could be used by all six of its states to examine risk and protective levels associated with drug use.The survey used for this report is also used by the Diffusion Consortium project, a study that involves seven states, co-funded by four federal agencies: the National Institute of Drug Abuse (NIDA), the Safe and Drug Free Schools Program, the Office of Juvenile Justice and Delinquency Prevention (OJJDP), and the Center for Substance Abuse Prevention (CSAP). among Arizona youth. One measure examined whether the respondent had carried a handgun in the past 12 months, and the other asked whether the respondent had taken a handgun to school in the past 12 months. The heading for the two questions read: "How many times in the past year (the last 12 months) have you..." Specific items included "carried a handgun" and "taken a handgun to school." Responses were scored on