National tables. Lifestyles: alcohol intake. Percentages Persons who have been diagnosed with some kind of sexually transmitted disease by sex and frequency of alcohol intake in the last 12 months Units: percentages Both sexes Total 5.36 Four or more days a week 7.53 One to three days a week 5.22 Less than one day a week 5.23 Never 4.24 Males Total 5.82 Four or more days a week 7.15 One to three days a week 5.19 Less than one day a week 5.30 Never 6.81 Females Total 4.88 Four or more days a week 8.92 One to three days a week 5.27 Less than one day a week 5.18 Never 3.27 Notes: 1) Percentage calculated as regards the population of 18 to 49 year olds who have had sexual relationships at some time in their life 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