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 preferred source of sexual information Units: percentages ,Total,Old parents or relatives,Siblings or friends,Partner,Professionals,Various support, Both sexes, Total,100.00,53.10,12.62,5.06,25.77,3.45, At least 1 a month,100.00,46.29,17.77,5.39,26.62,3.93, Less than 1 a month,100.00,54.44,11.61,4.99,25.60,3.36, Males, Total,100.00,47.49,16.12,5.60,27.10,3.70, At least 1 a month,100.00,44.12,18.44,6.37,27.32,3.75, Less than 1 a month,100.00,48.43,15.47,5.38,27.04,3.68, Females, Total,100.00,58.80,9.07,4.51,24.41,3.21, At least 1 a month,100.00,50.65,16.40,3.43,25.22,4.30, Less than 1 a month,100.00,59.81,8.16,4.65,24.31,3.07, 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