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Development and validation of Tagalog versions of the Drug Abuse Screening Test-20 (DAST-20) and Stimulant Relapse Risk Scale (SRRS) for drug users in the Philippines

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  • Takayuki Harada
  • Kazutaka Nomura
  • Toshiaki Baba
  • Tomohiro Shirasaka
  • Ayumi Takano
  • Shogo Kanamori

Abstract

Methamphetamine use is becoming a major social issue in the Philippines, and this has been attracting international interest. Understanding the characteristics of drug users and the severity of their drug use is an urgent requirement for promoting effective treatment and support; however, in the Philippines, a lack of screening and assessment tools with confirmed reliability and validity is a major obstacle in this regard. Therefore, the aim of this study is to develop Tagalog versions of the Drug Abuse Screening Test-20 (DAST-20), a drug-abuse screening tool used worldwide, and the Stimulant Relapse Risk Scale (SRRS), a tool for quantitatively evaluating relapse among stimulant users, and to confirm their validity and reliability. Participants were 305 patients admitted to the Treatment and Rehabilitation Center (TRC) operated by the Philippines Department of Health for treatment for methamphetamine use. Sufficient internal consistency for the DAST-20 was confirmed, with a Cronbach’s alpha value of 0.81. Concerning validity, receiver-operating-characteristic analysis, featuring diagnoses from independent doctors, returned an acceptable area-under-curve value of 0.62. Sufficient internal consistency was also confirmed for the SRRS, with a Cronbach’s alpha value of 0.89. Correlation analysis of subjective drug craving (measured using a visual analog scale) and the SRRS revealed a significant positive correlation (r = 0.19, p

Suggested Citation

  • Takayuki Harada & Kazutaka Nomura & Toshiaki Baba & Tomohiro Shirasaka & Ayumi Takano & Shogo Kanamori, 2023. "Development and validation of Tagalog versions of the Drug Abuse Screening Test-20 (DAST-20) and Stimulant Relapse Risk Scale (SRRS) for drug users in the Philippines," PLOS ONE, Public Library of Science, vol. 18(1), pages 1-14, January.
    • Handle: RePEc:plo:pone00:0280047
    DOI: 10.1371/journal.pone.0280047
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    1. Ojmarrh Mitchell & David B. Wilson & Doris L. MacKenzie, 2012. "The Effectiveness of Incarceration‐Based Drug Treatment on Criminal Behavior: A Systematic Review," Campbell Systematic Reviews, John Wiley & Sons, vol. 8(1), pages -76.
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