National tables. Lifestyles: nights out. Percentages Persons 18 to 49 years who have had sexual relationships at some time in their life by sex, number of nights out in the last 12 months and use of condom in last sexual relationship Units: percentages ,Total,Yes,No, Both sexes, Total,100.00,46.13,53.87, At least 1 a month,100.00,51.89,48.11, Less than 1 a month,100.00,34.94,65.06, Males, Total,100.00,49.66,50.34, At least 1 a month,100.00,54.31,45.69, Less than 1 a month,100.00,37.59,62.41, Females, Total,100.00,42.43,57.57, At least 1 a month,100.00,48.82,51.18, Less than 1 a month,100.00,33.03,66.97, 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