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Twitter can help track drug misuse

Social media websites such as Twitter can help track widespread misuse of prescribed pain-relief drugs in a particular locality over time, scientists say.

Published: 23rd August 2017 03:29 PM  |   Last Updated: 23rd August 2017 03:29 PM   |  A+A-

By PTI

NEW YORK: Social media websites such as Twitter can help track widespread misuse of prescribed pain-relief drugs in a particular locality over time, scientists say.

Researchers from New York PresbyterianQueens Hospital in the US analysed over 3.6 million tweets and found that the information about opioid misuse was significantly correlated with the US government surveys over the last three years.

They curated a list of keywords related to the misuse of prescribed opioids. Based on these keywords, the software extracted English-language tweets between the years 2012 and 2014.

In the process, 3,611,528 tweets all containing at least one of the selected keywords about the misuse of prescribed opioids were selected.

The software then identified linguistic characteristics that distinguished tweets that credibly mentioned opioid misuse from spam tweets and clustered them based on semantic distance.

Medical toxicologists verified the software's ratings on random samples of tweets.

The team then used metadata from Twitter to identify the location of each tweet. To validate their findings, researchers compared the Twitter data to geographical data contained in the 2013-2015 National Surveys on Drug Usage and Health (NSDUH).

Mentions about the misuse of prescribed opioids on Twitter were found to strongly correlate with state-by-state information contained in the NSDUH.

The correlation was highest for individuals between the ages of 18 and 25 years old.

Public health researchers often use social media to study the public reaction to natural disasters, infectious diseases, or food-borne illnesses.

However, it has been more difficult to study social media for opioid misuse because the sensitive nature of the topic leads many people to discuss it in oblique language.

The findings, published in the Journal of Medical Toxicology, show that social media can also be used to track public interest in opioid misuse, or perhaps other substances.

"We found that our estimates agreed with national survey data, suggesting that social media can be a reliable additional source of epidemiological data regarding substance use," said Michael Chary from the Department of Emergency Medicine of New York PresbyterianQueens Hospital.

"Traditional methods of gauging opioid misuse in an area rely on compiling reports from local emergency rooms and poison control call centres," he said.

"Through social media we can observe a much larger fraction of the population, perhaps intervening before things reach the level of needing emergency medical care," he added.
 



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