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