National tables. Lifestyles: nights out. Percentages Persons 18 to 49 years by sex, number of nights out in the last 12 months and perception of risk of infection of HIV/AIDS by injectable drugs Units: percentages ;Total;High risk;Intermediate risk;Low or no risk;Depends on whether they share syringes or not; Both sexes; Total;100.00;59.13;9.94;0.47;30.46; At least 1 a month;100.00;58.66;10.70;0.43;30.20; Less than 1 a month;100.00;60.08;8.40;0.55;30.96; Males; Total;100.00;59.31;11.67;0.68;28.34; At least 1 a month;100.00;58.76;12.39;0.60;28.24; Less than 1 a month;100.00;60.74;9.79;0.88;28.59; Females; Total;100.00;58.96;8.15;0.26;32.63; At least 1 a month;100.00;58.54;8.64;0.23;32.59; Less than 1 a month;100.00;59.61;7.39;0.31;32.69; Notes: Data corresponding to cells with less than 45,000 persons must be used with caution, because they may be affected by high sample errors. Source: National Statistics Institute