Literal question
Note that the List of Household Members includes HL1. Line number.
• This is the number used to identify each person listed in the household.
• You must obtain a complete list of all persons who usually live in the household, but you do not need to fill in or do anything in this column since the numbers are already provided.
• This is a very important number, as once household members are assigned these line numbers after the List of Household Members is completed, all members are identified with these line numbers throughout the questionnaires administered in this household.