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LANO
Duration of activity limitation: Number of units

Codes and Frequencies



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Description

For persons with chronic conditions reporting activity limitations in 1969-1971 and for persons reporting activity limitations in 1972-1981, LANO reports the duration (number of time units) of the activity limitations. LANO should be used in conjunction with LATP, which reports the corresponding time units (i.e., months or years).

This variable is part of a series of variables related to the difficulty of doing various activities due to a physical/mental condition, the use of help from others to carry on such activities, and the number of years this difficulty has persisted. For related variables, please use the IPUMS NHIS search function and drop-down menus.

Comparability

Slight changes in the universe may lead to comparability problems over time. Before 1972, this question was asked of persons who had a chronic condition and who reported an activity limitation. Beginning in 1972, this question was asked of all persons who reported an activity limitation, regardless of whether or not they reported a chronic condition. However, despite this universe change, frequencies suggest that this variable is largely comparable across years.

Universe

  • 1969-1971: Persons with chronic conditions reporting activity limitation.
  • 1972-1981: Persons reporting activity limitation.

Availability

  • 1969-1981

Weights