A habitual drinker has been defined as a person who stated that they consumed alcoholic beverages at least once a week in the past year; a work day drinker has been defined as a person who states that they consumed alcohol from Monday to Thursday, and a weekend drinker as a person who consumed at least one alcoholic drink on Friday, Saturday or Sunday.

In the ESCAV 2013 three categories have been created based on the health risk of alcohol consumption in the long term:

1. People who do not drink, ex-drinkers and occasional drinkers

2. People who consume alcohol habitually (at least once a week)

• a) 15-17 years old, both sexes:
  
  
  • High risk consumption: if they consume alcohol more than 3 days a week, or if they consume more than 30g of alcohol in a single day.
    
    
  • Low risk consumption: they consume alcohol without fulfilling the aforementioned conditions.
    
    

• b) 18 or older:
  
  
  • Men:
    
    " High risk consumption: average weekly consumption of more than 30g or consumption of more than 40g in a single day.
    
    " Low risk consumption: consumption below the limits of high risk consumption.
    
    
  • Women
    
    " High risk consumption: average weekly consumption of more than 20g or consumption of more than 30g in a single day.
    
    " Low risk consumption: consumption below the limits of high risk consumption.