Factors associated with condom use in vaginal intercourse among Spanish adults with intellectual disability: Proposal for an explanatory model.

Background: The prevention of HIV or other STIs in people with intellectual disabilities (ID) is a rarely studied subject even though this population group is at the same risk of infection as the general population.
Aims: The present study aims to conduct a descriptive analysis of sexual behaviours and condom use frequency in Spanish men and women with intellectual disabilities and identify the combination of variables that best explain condom use in vaginal intercourse.
Methods and Procedures: The sample consisted of 253 people (56.1 % male and 43.9 % female) aged between 20 and 64 years (M = 38.52; SD = 10.48). Participants completed the Sexuality Questionnaire for People with Intellectual Disabilities and the Sexual Abuse Risk Screening Scale.
Outcomes and Results: The percentage of consistent condom use is 27.7 % for vaginal intercourse. Lack of knowledge about body boundaries constitutes a risk factor contributing to risky sexual behaviour. Knowledge of HIV-transmitting fluids and perceived self-efficacy are protective factors. The proposed model explains between 35.5 % and 46.6 % of the variance.
Conclusions and Implications: The results highlight the importance of considering the judgements people make about their ability to perform preventive behaviour and the provision of information on sexuality adapted to cognitive abilities to minimise the engagement in risky behaviours.
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