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National Drug Intelligence Center
National Drug Threat Survey 2003 Report
April 2004
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Figure 1. National Drug Threat Survey 2003 Survey Regions
U.S. map showing the 6 National Drug Threat Survey 2003 survey regions.
The Pacific region consists of Alaska, Northern and Central California, Hawaii, Idaho, Nevada, Oregon, Washington, and the territories of Guam, and the Northern Mariana Islands.
The Southwest region consists of Arizona, Southern California, New Mexico, and Texas.
The West Central region consists of Arkansas, Colorado, Iowa, Kansas, Missouri, Montana, Nebraska, North Dakota, Oklahoma, South Dakota, Utah, and Wyoming.
The Great Lakes region consists of Illinois, Indiana, Kentucky, Michigan, Minnesota, Ohio, and Wisconsin.
The Northeast/Mid-Atlantic region consists of Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virginia, and West Virginia.
The Southeast region consists of Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, and the territory of Puerto Rico.
Return to Figure 1.
Figure 2. National Drug Threat Survey 2003 Greatest Drug Threat
U.S. map with graph superimposed showing drugs considered the greatest threat as a percentage of state and local agencies reporting.
The graph shows that 37.0 percent considered cocaine to be the greatest threat, 8.7 percent consider heroin to be the greatest threat, 36.2 percent consider methamphetamine to be the greatest threat, 13.1 percent consider marijuana to be the greatest threat, and 0.9 percent consider MDMA to be the greatest threat.
Return to Figure 2.
Figure 3. National Drug Threat Survey 2003 Greatest Drug Threat by Region
U.S. map with graphs superimposed showing drugs considered the greatest threat as a percentage of state and local agencies reporting by survey region.
In the Pacific region, 5.3 percent considered cocaine to be the greatest threat, 0.7 percent considered heroin to be the greatest threat, 90.9 percent considered methamphetamine to be the greatest threat, 2.1 percent considered marijuana to be the greatest threat, and 0.0 percent considered MDMA to be the greatest threat.
In the Southwest region, 30.9 percent considered cocaine to be the greatest threat, 2.3 percent considered heroin to be the greatest threat, 51.6 percent considered methamphetamine to be the greatest threat, 12.4 percent considered marijuana to be the greatest threat, and 0.8 percent considered MDMA to be the greatest threat.
In the West Central region, 12.2 percent considered cocaine to be the greatest threat, 0.9 percent considered heroin to be the greatest threat, 80.2 percent considered methamphetamine to be the greatest threat, 4.2 percent considered marijuana to be the greatest threat, and 0.1 percent considered MDMA to be the greatest threat.
In the Great Lakes region, 39.6 percent considered cocaine to be the greatest threat, 5.2 percent considered heroin to be the greatest threat, 29.4 percent considered methamphetamine to be the greatest threat, 19.7 percent considered marijuana to be the greatest threat, and 1.0 percent considered MDMA to be the greatest threat.
In the Northeast/Mid-Atlantic region, 39.1 percent considered cocaine to be the greatest threat, 28.5 percent considered heroin to be the greatest threat, 2.7 percent considered methamphetamine to be the greatest threat, 23.0 percent considered marijuana to be the greatest threat, and 1.7 percent considered MDMA to be the greatest threat.
In the Southeast region, 61.9 percent considered cocaine to be the greatest threat, 0.3 percent considered heroin to be the greatest threat, 28.0 percent considered methamphetamine to be the greatest threat, 4.0 percent considered marijuana to be the greatest threat, and 0.5 percent considered MDMA to be the greatest threat.
Return to Figure 3.
Figure 4. National Drug Threat Survey 2003 Regional Drug Availability
U.S. map with graphs superimposed showing availability of drugs as a percentage of state and local agencies reporting high availability.
The graph shows that in the Pacific region, 27.6 percent considered cocaine to be highly available, 19.0 percent consider heroin to be highly available, 89.1 percent consider methamphetamine to be highly available, 91.4 percent consider marijuana to be highly available, and 9.3 percent consider MDMA to be highly available.
The graph shows that in the Southwest region, 63.0 percent considered cocaine to be highly available, 14.4 percent consider heroin to be highly available, 66.8 percent consider methamphetamine to be highly available, 86.5 percent consider marijuana to be highly available, and 12.2 percent consider MDMA to be highly available.
The graph shows that in the West Central region, 40.0 percent considered cocaine to be highly available, 4.8 percent consider heroin to be highly available, 87.9 percent consider methamphetamine to be highly available, 91.1 percent consider marijuana to be highly available, and 5.0 percent consider MDMA to be highly available.
The graph shows that in the Great Lakes region, 53.3 percent considered cocaine to be highly available, 8.0 percent consider heroin to be highly available, 34.0 percent consider methamphetamine to be highly available, 90.3 percent consider marijuana to be highly available, and 10.5 percent consider MDMA to be highly available.
The graph shows that in the Northeast/Mid-Atlantic region, 56.2 percent considered cocaine to be highly available, 36.1 percent consider heroin to be highly available, 5.7 percent consider methamphetamine to be highly available, 85.6 percent consider marijuana to be highly available, and 17.5 percent consider MDMA to be highly available.
The graph shows that in the Southeast region, 82.0 percent considered cocaine to be highly available, 4.7 percent consider heroin to be highly available, 50.0 percent consider methamphetamine to be highly available, 90.1 percent consider marijuana to be highly available, and 12.9 percent consider MDMA to be highly available.
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Nonresponse Adjustment Factor
Graphic showing the formula for calculating the nonresponse adjustment factor for each stratum j.
The nonresponse adjustment factor for each stratum j is equal to the sum of the base weight times the poststratification factor for each of the
responding and nonresponding agencies in stratum j divided by the sum of the base weight times the poststratification factor for only the
responding agencies in stratum j.
Return to Nonresponse Adjustment Factor
Final Weight
Graphic showing the formula for calculating the final weight for each responding agency.
The formula is: the final weight is equal to the base weight times the poststratification factor times the nonresponse adjustment factor.
Return to Final Weight
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