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 preferred source of sexual information Units: thousands of persons Total Old parents or relatives Siblings or friends Partner Professionals Various support No data recorded Both sexes Total 20,759.6 10,771.8 2,568.9 1,033.9 5,225.5 703.6 456.0 At least 1 a month 3,397.9 1,534.3 588.8 178.6 882.4 130.3 83.3 Less than 1 a month 17,246.1 9,191.6 1,960.6 843.1 4,322.5 567.2 361.1 No data recorded 115.7 45.8 19.4 12.2 20.6 6.1 11.5 Males Total 10,532.1 4,854.9 1,656.9 580.2 2,769.8 376.4 293.9 At least 1 a month 2,279.2 976.4 408.2 140.9 604.7 82.9 66.0 Less than 1 a month 8,193.6 3,860.4 1,233.0 428.9 2,155.3 293.5 222.4 No data recorded 59.4 18.0 15.7 10.4 9.8 0.0 5.5 Females Total 10,227.5 5,916.9 911.9 453.7 2,455.7 327.2 162.0 At least 1 a month 1,118.7 557.9 180.6 37.7 277.7 47.4 17.3 Less than 1 a month 9,052.5 5,331.2 727.5 414.2 2,167.2 273.7 138.7 No data recorded 56.3 27.8 3.7 1.8 10.8 6.1 6.0 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