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