Age biases in a large HIV and sexual behaviour-related internet survey among MSM.

ABSTRACT:

Background

Behavioural data from MSM are usually collected in non-representative convenience samples, increasingly on the internet. Epidemiological data from such samples might be useful for comparisons between countries, but are subject to unknown participation biases.

Methods

Self-reported HIV diagnoses from participants of the European MSM Internet Survey (EMIS) living in the Czech Republic, Germany, The Netherlands, Portugal, Sweden and the United Kingdom were compared with surveillance data, for both the overall diagnosed prevalence and for new diagnoses made in 2009. Country level prevalence and new diagnoses rates per 100 MSM were calculated based on an assumed MSM population size of 3% of the adult male population. Survey-surveillance discrepancies (SSD) for survey p

SUBMITTER: Marcus U 

PROVIDER: S-EPMC3847490 | biostudies-literature | 2013 Sep

REPOSITORIES: biostudies-literature