Reference person

Head of household, defined as male if complete family, parent if incomplete

Head of household

Head of household defined as oldest active male; if no active members, head is oldest male,

Head of household, defined as person whose income is major source of livelihood for household

Primary unit of collection

Economic/consumer household is observational unit, while address is sample unit; all households at address included in sample; persons are asked to declare whether they are members of a common household./consumer

Economic/consumer household is observational unit, while address is sample unit; all households at address included in sample; households are all persons living together who share a common budget

Economic/consumer household is observational unit, while address is sample unit; household is defined to be all persons living under the same roof, sharing income and expenditures

Economic/consumer(identified as a household); if not a single person, then a group of persons living together who share a household budget.

Non-response rates

In 1993, nonresponse rate was 15.7 percent in CR, 7 percent in SR.

Total nonresponse rate was 3 percent.

Nonresponse rate was 17 percent

Nonresponse rate was 30.9 percent of households selected to participate for the first time in 1992.