National tables. Lifestyles: alcohol intake. Percentages Persons 18 to 49 years by sex, frequency of alcohol intake 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,100.00,53.06,12.62,5.09,25.78,3.45, Four or more days a week,100.00,53.34,12.52,5.76,24.33,4.06, One to three days a week,100.00,49.54,15.57,4.37,27.41,3.12, Less than one day a week,100.00,54.37,9.65,4.64,27.84,3.50, Never,100.00,58.26,10.42,6.63,21.06,3.63, Males, Total,100.00,47.41,16.12,5.69,27.13,3.66, Four or more days a week,100.00,52.28,13.73,6.10,23.73,4.16, One to three days a week,100.00,46.29,17.96,5.01,27.69,3.05, Less than one day a week,100.00,45.46,13.19,6.27,31.05,4.03, Never,100.00,46.20,17.42,6.90,24.82,4.66, Females, Total,100.00,58.82,9.05,4.48,24.41,3.24, Four or more days a week,100.00,57.13,8.17,4.54,26.47,3.70, One to three days a week,100.00,54.49,11.93,3.39,26.97,3.21, Less than one day a week,100.00,59.67,7.55,3.67,25.93,3.19, Never,100.00,62.98,7.68,6.52,19.60,3.22, 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