National tables. Lifestyles: nights spent away from home. Values 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: thousands of persons ;Total;Old parents or relatives;Siblings or friends;Partner;Professionals;Various support;Nobody;No data recorded; Both sexes; Total;20,759.6;2,543.3;7,957.8;4,019.4;2,108.7;2,485.6;1,404.2;240.5; At least 1 a month;3,397.9;456.6;1,429.5;532.7;347.0;419.6;187.8;24.6; Less than 1 a month;17,246.1;2,075.8;6,500.9;3,471.4;1,751.7;2,047.6;1,196.2;202.5; No data recorded;115.7;10.9;27.4;15.3;10.1;18.4;20.2;13.3; Males; Total;10,532.1;1,095.9;4,559.1;1,555.1;1,028.0;1,380.7;761.5;151.8; At least 1 a month;2,279.2;269.5;1,008.7;339.7;214.3;276.8;150.3;19.9; Less than 1 a month;8,193.6;823.0;3,532.0;1,211.7;809.9;1,087.4;603.8;125.8; No data recorded;59.4;3.4;18.4;3.7;3.8;16.5;7.4;6.2; Females; Total;10,227.5;1,447.4;3,398.7;2,464.3;1,080.7;1,104.9;642.8;88.7; At least 1 a month;1,118.7;187.1;420.8;193.0;132.7;142.8;37.5;4.8; Less than 1 a month;9,052.5;1,252.8;2,968.9;2,259.7;941.8;960.2;592.4;76.8; No data recorded;56.3;7.5;9.0;11.6;6.2;1.9;12.8;7.2; 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