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Based on Social Cognitive Theory (SCT), this study investigated the factors of psychoactive substance use in terms of current use (past 30 days), lifetime use, and behavioral intention (next 12 months) in Hong Kong adolescent case-clients of social workers from July 2021 to June 2022. The prevalence of current/lifetime psychoactive substance use and behavioral intention to use psychoactive substances was 7.6%/20.9% and 8.6%, respectively. The SCT constructs of positive outcome expectancy of psychoactive substance use, the observational learning indicators, and the environmental factor (easiness to obtain psychoactive substances) were positively associated with current and lifetime psychoactive substance use. Similar associations involving negative outcome expectancy (NOE), emotional relief refusal self-efficacy (RSE), and opportunistic RSE were significant and negative. Furthermore, NOE, emotional relief RSE, and social facilitation RSE were significantly associated with behavioral intention of psychoactive substance use. Future longitudinal studies are warranted to confirm the findings and test pilot interventions.
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http://dx.doi.org/10.1080/02791072.2025.2483701 | DOI Listing |
J Chromatogr A
September 2025
College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.
Synthetic cathinones (SCs) are drugs of abuse that act on the central nervous system, producing psychoactive effects similar to those of amphetamines. Their greater accessibility compared with the traditional amphetamine-type stimulants has contributed to their increasing popularity in recent years. The analysis of SCs in biological samples is essential for documenting their consumption.
View Article and Find Full Text PDFWater Res
August 2025
Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Republic of Korea; Institute for Environment and Energy, Pusan National University, Busan 46241, Republic of Korea. Electronic address:
Wastewater-based epidemiology (WBE) is increasingly used as a complementary tool for monitoring drug use at the population level, providing anonymized, real-time estimates of community drug consumption. Site-specific applications of WBE can identify localized patterns that national or municipal surveys may overlook. This study presents the first comprehensive, site-specific assessment of illicit drug use in South Korea using WBE.
View Article and Find Full Text PDFSubst Use Misuse
September 2025
School of Psychology, Faculty of Health and Behavioural Sciences, The University of Queensland, Brisbane, Australia.
Introduction: Chemsex, the use of psychoactive substances to enhance sexual experience, is most prominent in gay, bisexual and other men who have sex with men (GBMSM). This study explores the prevalence of chemsex in Australian GBMSM ( = 632) and its associations with psychosexual and psychosocial health.
Methods: A cross-sectional online survey was conducted.