1997 National Household Survey on Drug Abuse

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Measurement of Problems Related to Substance Use

2. tolerance for the drug such that the same amount had less effect than before;
3. spending a great deal of time (i.e., for a period of at least a month) getting, using, or getting over the effects of using the drug;
4. use of the drug more often or in larger amounts than intended;
5. reduction of important activities, such as going to work or school, caring for children, or engaging in recreational activity due to use of the drug;

6. emotional or psychological problems caused by use of the drug; and

7. physical health problems caused by use of the drug (see footnotes to Tables 9.1 through 9.4 for precise item wordings).
The definitions of these problems, however, are different in number and kind from those used in the 1994 NHSDA and in earlier years. Consequently, data in this chapter cannot be compared directly with NHSDA data prior to 1995. Furthermore, readers should not interpret reports of these problems as being necessarily equivalent to a clinical diagnosis of drug dependence.
These summary measures refer to the number of specific types of problems (from the list of seven) that occurred during the past year related to the use of a particular drug. These measures do not refer to the total number of times that each specific problem may have occurred.

21 This exclusion of data from respondents who reported past year drug problems in the absence of reported use in the past year was not done for the 1994 to 1996 NHSDA Main Findings. Therefore, the 1997 total population estimates may be somewhat lower than those reported in 1994 to 1996.
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This page was last updated on December 30, 2008.