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Age first diagnosed with bladder cancer

Codes and Frequencies

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For sample adults who had ever been told that they had bladder cancer (CNBLAD), CNBLADAG reports how old the person was when bladder cancer was first diagnosed.

Related Variables 

CNBLADAG is one of a series of variables reporting age at first diagnosis of specific types of cancer. Other variables in the series report age at diagnosis of the following types of cancer:

  • mouth, lip, or tongue cancer (CNMOTHAG)

  • skin cancer of an unknown type (CNSKDKAG)

  • soft tissue (muscle or fat) cancer (CNSOFTAG)

The age at first diagnosis for any other kind of cancer not previously listed is reported in CNOTHRAG.


With the exception of the questionnaire redesign introduced in 2019, this variable is completely comparable over time. The NHIS questionnaire was substantially redesigned in 2019 to introduce a different data collection structure and new content. For more information on changes in terminology, universes, and data collection methods beginning in 2019, please see the user note.


  • 1997-2018: Sample adults age 18+ who were ever told they had bladder cancer.
  • 2019-2022: Sample adults age 18+ who were ever told they had bladder cancer (CNBLAD).


  • 1997-2022