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