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 identification of means of transmitting HIV/AIDS Units: thousands of persons ;Total;Identified correctly;Not identified correctly;No data recorded; Both sexes; Total;20,759.6;2,925.4;17,524.9;309.4; At least 1 a month;3,397.9;416.5;2,933.3;48.1; Less than 1 a month;17,246.1;2,497.8;14,499.0;249.2; No data recorded;115.7;11.1;92.6;12.0; Males; Total;10,532.1;1,376.6;8,990.8;164.7; At least 1 a month;2,279.2;257.7;1,993.2;28.4; Less than 1 a month;8,193.6;1,113.8;6,948.0;131.7; No data recorded;59.4;5.1;49.6;4.7; Females; Total;10,227.5;1,548.8;8,534.1;144.6; At least 1 a month;1,118.7;158.8;940.1;19.8; Less than 1 a month;9,052.5;1,384.0;7,551.0;117.5; No data recorded;56.3;5.9;42.9;7.4; 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