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Table 1 Crude and age-adjusted percentage of selected behaviour and self-reported STIs, men 18–25, Finland and Estonia, 2005

From: The socio-demographic patterning of sexual risk behaviour: a survey of young men in Finland and Estonia

  Finland Estoniaa Estonia Ea Estonia Ra
  % Adjusted %b Crude %c
Age 18–25 19–25 19–25 19–25 19–25
n 1765 1464 748 458 290
Sexually active d 75 77 84 89 88
First sex < 15 yearsd 13 14 10 10 13
3+ sex partners, past yeare 20 20 17 17 20
6+ sex partners, lifetimee 31 33 22 31 34
Condom use, last intercoursee 51 49 52 41 42
Reason for using condom e, f      
   STI protection 17 18 13 11 11
   Avoiding pregnancy 25 24 58 59 57
   Both 47 47 28 29 31
   Other reasons 11 11 1 1 1
Self-reported STI, ever d, g 3 3 5 8 7
  1. aEstonia = All Estonians including those with Russian ethnic origin, Estonia E = Only those with Estonian ethnic origin, Estonia R = Only those with Russian ethnic origin
  2. b Age-adjusted by using Finnish men as reference population
  3. c Differences between Estonia E and Estonia R were statistically non-significant
  4. d Numerator includes all respondents
  5. e Numerator includes all sexually active respondents
  6. f Question formulation differed in Finland and Estonia, see Additional file 1.
  7. g STI = Sexually Transmitted Infection = Chlamydia, Gonorrhoea or Syphilis