Description

This variable describes if the respondent had asthma in past 12 months.

Please refer to the Comparability section for more information on changes in the universe of this variable.

Related Variables

For a full list of variable related to asthma, see the "Asthma" link under the "Conditions" tab, under the "Persons" variables tab on the IPUMS NHIS website.

Comparability

Changes in the universe limit the comparability of this variable. In 1988, this variable was asked of sample persons who ever worked. In 1991, this variable was asked of sample persons over age 18.

Universe

Availability

• 1988, 1991

Weights

• 1991 : SAMPWEIGHT
• 1988 : SUPP2WT