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