National tables. Lifestyles: nights out. Percentages Persons 18 to 49 years by sex, number of nights out in the last 12 months and preferred source of sexual information Units: percentages Total Old parents or relatives Siblings or friends Partner Professionals Various support Both sexes Total 100.00 53.02 12.64 5.10 25.78 3.47 At least 1 a month 100.00 50.02 14.30 4.81 27.35 3.52 Less than 1 a month 100.00 59.02 9.32 5.67 22.63 3.35 Males Total 100.00 47.34 16.18 5.66 27.13 3.69 At least 1 a month 100.00 45.62 17.17 5.48 28.06 3.67 Less than 1 a month 100.00 51.89 13.57 6.14 24.68 3.72 Females Total 100.00 58.80 9.04 4.52 24.40 3.24 At least 1 a month 100.00 55.36 10.81 3.99 26.50 3.34 Less than 1 a month 100.00 64.11 6.29 5.34 21.17 3.09 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