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Length of time at main job: Time period

Codes and Frequencies

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For sample persons aged 18 and over who were employed in the past 2 weeks and worked for a private company, federal, state, or local government, TIMAINJOBTP reports the time period for the numeric values in TIMAINJOBNO, which reports the number of units for the sample person's length of employment at his/her main job.

Users should combine TIMAINJOBTP with TIMAINJOBNO in order to analyze the length of employment.

For more information about other related variables, please use the IPUMS NHIS search function and drop-down menus.


There are no comparability issues.


  • 1991: Sample persons age 18+ employed in the past 2 weeks who work for a private company or for federal, state, or local government.


  • 1991