Related Experiment Video
Updated: Jul 25, 2026
06:06
Color Spot Test As a Presumptive Tool for the Rapid Detection of Synthetic Cathinones
Published on: February 5, 2018
Methods for estimating the number of "hard-core" drug users
1Texas Commission on Alcohol and Drug Abuse, Austin 78708-0529, USA.
Substance Use & Misuse
|March 14, 2000
Summary
Estimating the number of hard-core drug users requires understanding various methods, including synthetic, small area, and capture-recapture techniques. Future research should refine these approaches for more accurate drug use pattern estimations.
Area of Science:
- Epidemiology
- Public Health
- Drug Use Research
Background:
- Accurate estimation of hard-core drug users is crucial for public health interventions.
- Existing estimation methods have limitations and varying degrees of reliability.
Purpose of the Study:
- To review and compare different methodologies for estimating the prevalence of hard-core drug users.
- To highlight the challenges and future directions in drug use estimation.
Main Methods:
- Synthetic estimation methods: Population projection and principal component methods.
- Small area estimations: Projecting risk estimates from small to larger areas.
- Capture-recapture methods: Assessing reliability based on underlying assumptions.
Main Results:
- Each method has specific assumptions and limitations that impact estimate accuracy.
- Understanding data limitations and evolving drug use patterns is essential for valid estimations.
Conclusions:
- No single method is universally superior; each offers unique insights.
- Future research should focus on refining existing methods and integrating their strengths for improved drug use estimates.
Related Concept Videos
01:17Drug Dependence
Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...
01:02Prescription, Nonprescription and Orphan Drugs
Prescription drugs require a prescription from a medical practitioner and can only be obtained from a pharmacy. They have many applications, including treating pain, anxiety, and hypertension.
The misuse and addiction to prescription drugs is a growing problem that can affect people of all age groups, specifically teenagers. This can happen when prescription medications are used in ways not intended by the prescriber, such as taking someone else's prescription or using medication for...
The misuse and addiction to prescription drugs is a growing problem that can affect people of all age groups, specifically teenagers. This can happen when prescription medications are used in ways not intended by the prescriber, such as taking someone else's prescription or using medication for...
01:23Drug Concentrations: Measurements
Drug concentration is the quantity of a drug present in a biological sample. Measuring drug amounts in biological samples allows the clinician to understand how a drug is absorbed, distributed, metabolized, and excreted. Samples can be obtained through invasive or non-invasive methods. Invasive techniques involve surgical or parenteral interventions to gather blood, cerebrospinal fluid, or tissue biopsy. Conversely, non-invasive approaches provide samples like urine, feces, and saliva.
Plasma —...
Plasma —...
01:12Analysis of Population Pharmacokinetic Data
Analysis of population pharmacokinetic data involves studying the behavior of drugs within diverse populations to understand their pharmacokinetic parameters. Traditional pharmacokinetic methods typically involve collecting samples from a few individuals and estimating these parameters. While these methods are commonly used, they have limitations in capturing the variability in drug response among individuals or heterogeneous populations. Population pharmacokinetics is employed to address these...
01:07Determination of Renal Drug Clearance: Graphical and Midpoint Methods
Renal clearance, a crucial parameter in pharmacokinetics, can be determined using two different methods: the graphical method and the midpoint method. These methods provide insights into the rate of drug excretion by the kidneys and aid in assessing renal function.
The graphical method involves plotting the rate of drug excretion in urine against the plasma drug concentration. By analyzing the graph, the clearance can be calculated and obtained. Drugs rapidly excreted by the kidneys exhibit a...
The graphical method involves plotting the rate of drug excretion in urine against the plasma drug concentration. By analyzing the graph, the clearance can be calculated and obtained. Drugs rapidly excreted by the kidneys exhibit a...
01:21Dose Size and Dosing Frequency: Determination Methods
Determining the optimal dose size and dosing frequency in pharmacotherapy is crucial for achieving therapeutic effectiveness while minimizing adverse effects. This article explores the methodologies employed in determining these parameters, focusing on their significance and interplay to tailor dosing regimens.Dose Size: Dose size refers to the amount of a drug administered in a single dose. It is determined based on the drug's pharmacodynamics and pharmacokinetics properties and...