Men who have sex with men (MSM) perform risk practices that pose a challenge to prevention strategies. The aim of this study was to analyse the association between receptive and insertive unprotected anal intercourse (RUAI and IUAI) according to the type of partner and the practice of barebacking with socioeconomic factors.
A descriptive study was conducted through a self-administered questionnaire distributed by a software tool in social networks and non-governmental organizations from June-2014 to January-2015. Participants consisted of 601 people living in Spain. Pearson's χ(2) test and logistic regression models were applied with odds ratios (OR) and 95% confidence intervals (95% CI).
In stable couples, the risk of RUAI increased in individuals with a medium income (OR: 1.79; 95%CI: 1.14-2.80) and in those who lived together (OR: 2.94; 95%CI: 1.74-4.98) and IUAI increased in individuals living with a partner (OR: 5.58; 95%IC: 3.24-9.59). When the partner was a friend, the risk of RUAI was higher among individuals with secondary education (OR: 2.20; 95%CI: 1.44-3.36) and those who were retired (OR: 3.6; 95%CI: 1.25-10.37), while living with a partner was a protective factor (OR: 0.56; 95%CI: 0.32-0.98). The risk of barebacking was greater in younger men (OR: 2.59; 95%CI: 1.27-5.28), in those with secondary education (OR: 1.51; 95%CI: 0.99-2.29) and in those living with a partner (OR: 3.64; 95%CI: 2.12-6.24).
There is a need to reduce vulnerability due to socioeconomic factors that influence engagement in risk practices and to highlight the importance of barebacking, mainly in young MSM. Partner-based interventions and harm reduction strategies should be incorporated into preventive strategies.