(2016) An initial typology of contexts of dyadic sexual encounters between men and associations with sexual risk and pleasure : findings from an observational study. Sexual health, 13 (3). pp. 221-227.
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Publisher's statement:Published version: http://dx.doi.org/10.1071/SH15218
A note on versions:The version presented here may differ from the published version or, version of record, if you wish to cite this item you are advised to consult the publisher's version. Please see the 'permanent WRAP URL' above for details on accessing the published version and note that access may require a subscription. estimated to determine an optimal class solution on the situational characteristics, and then pseudoimputation was used to estimate the association between class and both CAI and pleasure. Results: A three-class solution fit the data best, with a scaled relative entropy of 92.4%. Classes were characterised as featuring: regular steady partners in private locations with low drug use (class 1), casual partners with increased probability of sex occurring in a sex-on-premises venue (class 2), and high levels of polydrug use together with increased probability of casual partners (class 3). Encounters were different both in pairwise comparisons and overall on probability of CAI. They were different overall but not necessarily pairwise on pleasure. Conclusions: These initial findings demonstrate the possibility of understanding sexual encounters in terms of the contexts, or classes, within which they occur. This may have implications for tailoring HIV prevention to specific encounter types. Future research should seek to extend encounter-level typologies to specific drug use variables.Additional keywords: HIV risk behaviour, latent variable modelling, men who have sex with men, observational epidemiology.