title: The adult male equivalent concept and its application to Household Consumption and Expenditures Surveys (HCES).
abstract: BACKGROUND
  Knowledge of the amount and quality of food consumed by a population is essential in determining the adequacy of the food availability and supply. Since its founding the Food and Agriculture Organization (FAO) has developed methods for determining food availability and consumption that may be useful to other investigators.
  
  
  OBJECTIVE
  Based on FAO's 60 years of experience in conducting Household Consumption and Expenditures Surveys (HCES), to explain and demonstrate the advantages and use of the Adult Male Equivalent (AME) and Equivalent Nutrition Unit (ENU) concepts.
  
  
  METHODS
  The important factors related to the AME and ENU, such as energy requirements, size and composition of the food consumer unit, and attendance at meals, are explained through the examples of two hypothetical families: a family consisting of a father, a mother, a 12-year old daughter, and a 3-year old son plus an adult guest; and a family consisting of a single mother, a 10-year old son, and two daughters, 6 and 4 years of age. The reader is guided through the steps in calculating the AME and ENU.
  
  
  RESULTS
  The various scenarios of the composition, size, and attendance at meals of the consumer unit show that the calculated food energy adequacy can range from +2% to -29%.
  
  
  CONCLUSIONS
  Care and attention must be given to correctly attributing the consumers of the food intake measured or estimated. In addition, use of these concepts allows for a valid comparison of food consumption units of various sizes and compositions.
authors.affiliation: Food and Agriculture Organization, Rome. rcweisell@gmail.com
authors.forename: Robert
authors.initials: R
authors.lastname: Weisell
authors.forename: Marie Claude
authors.initials: MC
authors.lastname: Dop
mesh_terms: D000328:Adult; D002648:Child; D002675:Child, Preschool; D004034:Diet Surveys; D002149:Energy Intake; D004734:Energy Metabolism; D005191:Family Characteristics; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D008297:Male; D062407:Meals; D008875:Middle Aged; D015596:Nutrition Assessment; D009751:Nutritional Requirements; D009752:Nutritional Status; D014480:United Nations