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Table 1 Comparison of demographics, drug use and sexual characteristics between nine city samples

From: Sexual uses of alcohol and drugs and the associated health risks: A cross sectional study of young people in nine European cities

  All Lisbon Palma Venice Athens Ljubljan Brno Vienna Berlin Liverpool Pa
   Portugal Spain Italy Greece Slovenia Czech Republic Austria Germany UK (between cities)
n 1341 144 147 139 167 146 148 165 141 144  
Male (%) 48.5 55.9 43.5 56.1 47.3 41.8 50.7 53.9 46.1 41.0 *
Age (median) 21.0 22.0 21.0 21.0 20.0 22.0 19.0 19.0 21.0 23.0 ***
Single (%) 56.1 57.7 61.4 63.4 54.8 47.2 54.8 53.6 54.8 57.3 ns
Sex            
   ever had (%) 92.4 93.8 89.8 84.9 97.6 84.9 95.3 90.3 95.0 99.3 ***
   age first had (median) 16.0 17.0 17.0 16.0 16.0 16.0 16.0 16.0 16.0 16.0 ***
Alcohol            
   ever used (%) 98.5 99.3 98.0 95.7 99.4 97.9 100.0 98.2 98.6 99.3 ns
   age first used (median) 14.0 15.0 15.0 14.0 16.0 15.0 14.0 14.0 14.0 14.0 ***
Cannabis            
   ever used (%) 73.8 66.7 76.9 77.7 65.9 62.3 91.2 63.0 83.7 79.9 ***
   age first used (median) 16.0 17.0 16.0 15.0 17.0 16.0 15.0 15.0 15.0 15.0 ***
Cocaine            
   ever used (%) 30.4 27.1 42.9 38.1 26.3 17.1 24.3 18.8 31.9 50.0 ***
   age first used (median) 18.0 20.0 17.0 17.0 18.0 18.5 19.0 18.0 19.0 18.0 ***
Ecstasy            
   ever used (%) 28.7 25.0 32.0 23.7 18.6 17.1 48.0 17.0 33.3 46.5 ***
   age first used (median) 17.0 18.5 17.0 16.0 18.0 16.0 17.0 17.0 18.0 17.0 **
  1. * p < .05; ** p < .01; *** p < .001; ns = not significant (two-tailed tests)
  2. aPercentage ever had sex or used each substance are compared using chi square statistics. Differences between median age of first sex and substance use utilise Kruskal-Wallis tests.