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Table 1 Population data, surveillance data and EMIS derived data to characterize and compare the six national MSM samples

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

  Population Surveillance EMIS
Country Adult male population (15–64 years) Estimated MSM population (15–64) Proportion of households with broadband Internet access in 2009 (%) HIV diagnoses in MSM per 100 MSM in 2009 Estimated proportion of MSM diagnosed with HIV by end of 2009 (%) EMIS sample size HIV diagnoses in 2009 per 100 EMIS respondents Proportion of EMIS respondents diagnosed with HIV by end of 2009 (%) EMIS participation rate per 10,000 adults Response rates to individualized invitation instant messages (%) Median age of EMIS participants (years)
Czech Republic (1) 3654797 109644 46% 0.10 0.63% 2392 0.59 2.68% 2.30 8.70% 27
Czech Republic (2) 2561675 51234 0.21 1.34% 2284 0.61 2.71% 4.25
Germany 27299462 793498 65% 0.32 4.29% 53653 0.74 7.66% 6.60 11.00% 33
Netherlands 5589000 163035 77% 0.48 4.93% 3696 1.44 12.72% 2.30 7.90% 40
Portugal* 3524528 103153 46% 0.33 3.58% 5158 0.78 7.75% 4.90 11.80% 30
Sweden 3098248 89999 69% 0.15 1.67% 3058 0.36 4.81% 3.40 8.00% 35
United Kingdom 20545700 598256 71% 0.46 4.51% 17362 0.89 10.44% 3.00 4.90% 36
  1. (1) population 15–64 years, 3% MSM; (2) population 15–49 years, 2% MSM; * the estimate of MSM in care from Portugal includes an unknown number of unreported deaths. Thus this estimate may be slightly too high. MSM Men having sex with men, EMIS European Men-Who-Have-Sex-With-Men Internet Survey.