National tables. Lifestyles: number of nights spent away from home. Percentages Persons 18 to 49 years by sex, no. of nights spent away from home becuase of work/studies in the last 12 months and main source of sexual information Units: percentages ;Total;Old parents or relatives;Siblings or friends;Partner;Professionals;Various support;Nobody; Both sexes; Total;100.00;12.40;38.84;19.61;10.28;12.08;6.78; At least 1 a month;100.00;13.54;42.38;15.79;10.29;12.44;5.57; Less than 1 a month;100.00;12.18;38.14;20.37;10.28;12.01;7.02; Males; Total;100.00;10.58;43.97;15.02;9.92;13.21;7.30; At least 1 a month;100.00;11.93;44.65;15.04;9.48;12.25;6.65; Less than 1 a month;100.00;10.20;43.78;15.02;10.04;13.48;7.48; Females; Total;100.00;14.27;33.60;24.31;10.65;10.93;6.24; At least 1 a month;100.00;16.80;37.78;17.33;11.91;12.82;3.37; Less than 1 a month;100.00;13.96;33.08;25.18;10.49;10.70;6.60; 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