National tables. Lifestyles: nights spent away from home. Values Persons who have been diagnosed with some kind of sexually transmitted disease by sex and no. of nights spent away from home because of work/studies in the last 12 months Units: thousands of persons Both sexes Total 1,047.3 At least 1 a month 178.4 Less than 1 a month 867.3 No data recorded 1.6 Males Total 583.8 At least 1 a month 126.0 Less than 1 a month 457.8 No data recorded 0.0 Females Total 463.5 At least 1 a month 52.5 Less than 1 a month 409.5 No data recorded 1.6 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