ArticleStatistical communications in infectious diseases2012
Heterogeneity in Number and Type of Sexual Contacts in a Gay Urban Cohort.
Article in Statistical communications in infectious diseases, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Pre-exposure vaccination in the high-risk population is crucial in controlling mpox resurgence in Canada.BMC infectious diseases · 2025Article
- Transitions in sexual behaviour among gay, bisexual, and other men who have sex with men in England: Data from a prospective study.PloS one · 2025Article
- Time for change: Transitions between HIV risk levels and determinants of behavior change in men who have sex with men.PloS one · 2021Article
- Panel Data Analysis via Mechanistic Models.Journal of the American Statistical Association · 2019Article
- Frequency and determinants of consistent STI/HIV testing among men who have sex with men testing at STI outpatient clinics in the Netherlands: a longitudinal study.Sexually transmitted infections · 2017Article
- Antibiotic-Resistant Neisseria gonorrhoeae Spread Faster with More Treatment, Not More Sexual Partners.PLoS pathogens · 2016Article
- Dynamic Variation in Sexual Contact Rates in a Cohort of HIV-Negative Gay Men.American journal of epidemiology · 2015Observational
- Strong influence of behavioral dynamics on the ability of testing and treating HIV to stop transmission.Scientific reports · 2015Article
- A stochastic agent-based model of pathogen propagation in dynamic multi-relational social networks.Simulation · 2014Article
- A generating function approach to HIV transmission with dynamic contact rates.Mathematical modelling of natural phenomena · 2014Article
- Toward an endgame: finding and engaging people unaware of their HIV-1 infection in treatment and prevention.AIDS research and human retroviruses · 2014Review
- Detectable signals of episodic risk effects on acute HIV transmission: strategies for analyzing transmission systems using genetic data.Epidemics · 2013Article
- Episodic HIV Risk Behavior Can Greatly Amplify HIV Prevalence and the Fraction of Transmissions from Acute HIV Infection.Statistical communications in infectious diseases · 2012Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
HIV transmission models include heterogeneous individuals with different sexual behaviors including contact rates, mixing patterns, and sexual practices. However, heterogeneity can also exist within individuals over time. In this paper we analyze a two year prospective cohort of 882 gay men with observations at six month intervals focusing on heterogeneity both within and between individuals in sexual contact rates and sexual roles. The total number of sexual contacts made over the course of the study (mean 1.55 per month) are highly variable between individuals (standard deviation 9.82 per month) as expected. At the individual level, contacts were also heterogeneous over time. For a homogeneous count process the variance should scale with the mean; however, at the individual level the variance scaled with the square root of the mean implying the presence of heterogeneity within individuals over time. We also observed a high level of movement between dichotomous sexual roles (insertive/receptive, protected/unprotected, anal/oral, and HIV status of partners). On average periods of exclusively unprotected sexual contacted lasted 16 months. Our results suggest that future HIV models should consider heterogeneities both between and within individuals in sexual contact rates and sexual roles.
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