作者: A. R. Evans , R. D Wiggins , C. H Mercer , G. J Bolding , J. Elford
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摘要: Objectives: To compare the characteristics of a self-selected, convenience sample men who have sex with (MSM) recruited through internet MSM drawn from national probability survey in Great Britain. Methods: The (n = 2065) was two popular websites for homosexual Britain May and June 2003. This compared (n = 117) National Survey Sexual Attitudes Lifestyles (Natsal), adults resident conducted between 1999 February 2001. Results: No significant differences were observed samples on range sociodemographic behavioural variables (p>0.05). However, younger (p Conclusions: provides means recruiting whose social demographic are broadly similar to those survey. estimates high-risk sexual behaviour based likely overestimate levels risk wider population.