Health Homeless persons according to the severity of the depressive symptomatology by drug use at some time Units: percentage ;Total;None;Mild;Moderate;Moderately severe;Severe; Total;100.0;40.4;26.8;15.8;11.0;5.9; Have ever used drugs;100.0;28.1;25.5;22.4;15.0;9.0; Have never used drugs;100.0;49.6;27.8;10.8;8.0;3.7; Notes: Source: National Statistics Institute