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Needs (doesn't have) special equipment: Type 4

Codes and Frequencies

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For persons with a completed assistive devises questionnaire who needed, but did not have, at least four types of special equipment (NEEDEVICE), NEEDEVICE4 reports the fourth type of equipment the person reported needing, but not having. Persons were able to report up to four types of equipment that they needed, but did not have.

NEEDEVICE4 was first introduced in 1990 as part of a supplement on assistive devices. For related variables, please use the IPUMS NHIS search function or drop-down menus.


There are no comparability issues with this variable.


  • 1990: Persons with a completed assistive devices questionnaire who needed at least four kinds of special equipment that they didn't have.


  • 1990