RT Journal Article T1 Efectos asociados al policonsumo de drogas en fiestas rave T2 Polysubstance use and associated effects at raves parties A1 Fernández Calderón, Fermín A1 Lozano Rojas, Óscar Martín A1 Bilbao Acedos, Izaskun A1 Rojas Tejada, Antonio José A1 Vidal Giné, Claudio A1 Vergara Moragues, Esperanza A1 González Saiz, Francisco AB Objetivos: El presente estudio tiene como objetivo describir los efectos positivos y negativos percibidos por asistentes a fiestas rave underground, y analizar las relaciones existentes entre las drogas consumidas y los efectos percibidos.Método: estudio realizado entre 252 asistentes a 22 fiestas raves underground celebradas en Andalucía, entre los meses de mayo y octubre de 2008. Se han aplicado contrastes de proporciones y regresiones logísticas.Resultados: Los resultados muestran que las drogas más consumidas por los asistentes fueron: alcohol (94.4%), cannabis (76.6%), speed (74.7%), éxtasis (64.1%), cocaína (28.2%), ketamina (23.8%) y LSD (22.9%). AB Objetives: The purpose of this study is to describe positive and negative effects perceived by underground rave attenders, and to analyze the relations between drugs consume and perceived risks.Method: The research was developed with a sample of 252 assistant at 22 underground raves in Andalucía (Spain), from May to October 2008. It has been applied contrast proportions and logistic regressions analysis.Results: Results show that the most consumed drugs were: alcohol (94.4%), cannabis (76.6%), speed (74.7%), ecstasy (64.1%), cocaine (28.2%), ketamine (23.8%) and LSD (22.9%). The most positive effects perceived were: euphoria, well-being, happiness (90.3%) and connection with music (75.4%). The most negative effects perceived were: tiredness (78.2%), jaw clenching (55.2%) and concentration decreased (54.4%). Ecstasy is the substance which more increases probability to perceive positive effects, while speed is the one that more increases probability to perceive negative effects.Conclusions: Negative effects experimented for participants show the high risk for rave attendees´ health. These, together with positive effects, must be considered in order to design preventive and risk reduction strategies. PB INID. Instituto de Investigación de Drogodependencias SN 1578-5319 YR 2012 FD 2012-06 LK http://hdl.handle.net/10272/15022 UL http://hdl.handle.net/10272/15022 LA spa NO Fermín Fernández Calderón, Oscar Martín Lozano Rojas, Izaskun Bilbao Acedos, Antonio José Rojas Tejada, Claudio Vidal Giné, Esperanza Vergara Moragues, Francisco González Saiz. Efectos asociados al policonsumo de drogas en fiestas rave. Health and addictions: salud y drogas, ISSN-e 1578-5319, Vol. 12, Nº. 1, 2012, págs. 37-59. DS Repositorio Institucional de la Universidad de Huelva RD 31 may 2026