Objective The aim of this study was to explore the factors influencing the intention to quit Rush among the chemsex subgroup of men who have sex with men(MSM)based on the theory of planned behavior(TPB),so as to identify the key populations for Rush behavior intervention,and provide references for the design and implementation of targeted interventions.Methods From October 2021 to January 2022,an on-site questionnaire was used to collect variables such as the basic situation of MSM in Chengdu,sexual behavioral characteristics,Rush use and intention to quit,and theoretical elements related to Rush cessation based on the TPB for descriptive statistical analysis,and Cronbach's alpha coefficients were calculated for each relevant theoretical element of the TPB.Univariate and multivariate analyses were conducted to investigate the factors influencing Rush withdrawal intentions in chemsex subgroups of MSM.Results A total of 184 MSM who had used Rush in the past 6 months were included in this study,of which 31.5％planned to quit Rush in the next 6 months.The results of multivariate analysis indicated that having a fixed sexual partner[multivariate odds ratio(ORm):0.35,95％CI:0.17-0.76)],polydrug use(ORm=0.35,95％C1:0.15-0.86),and greater amounts of Rush use(small amount,ORm:0.43,95％CI:0.19-0.96;moderate or more,ORm:0.35,95％CI:0.14-0.90;reference group:very small amount)were negatively correlated with the intention to quit Rush.Other theoretical elements of quitting Rush based on the TPB,except for subjective norms(ORm:0.70,95％CI:0.57-0.85),had no significant statistical association with the intention to quit Rush.Conclusions The intention to quit Rush among the chemsex subgroup of MSM is low.The supportive environment of MSM peers and the positive attitudes toward Rush use were significantly associated with lower intention of Rush quitting.
chemsexMSMcessationtheory of planned behavior(TPB)Rush
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