Codes and Frequencies
An 'X' indicates the category is available for that sample
| Code | Label |
23
|
21
|
19
|
18
|
15
|
13
|
10
|
|---|---|---|---|---|---|---|---|---|
| 0 | NIU | X | X | X | X | X | X | X |
| 1 | Part of routine exam | X | X | X | X | X | X | X |
| 2 | Because of problem | X | X | X | X | X | X | X |
| 3 | Follow-up to earlier test or exam | X | X | X | X | X | X | X |
| 4 | Other reason | X | X | X | X | X | X | X |
| 7 | Unknown-refused | X | X | X | X | X | X | X |
| 8 | Unknown-not ascertained | X | X | · | X | · | · | X |
| 9 | Unknown-don't know | X | X | X | X | X | X | X |
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Description
For sample adults aged 40 and older who ever had a colonoscopy or both a colonoscopy and sigmoidoscopy (COLSIGEV), COLLY reports the main reason that the respondent had their most recent colonoscopy. Prior to 2019, COLLY is asked of sample adults aged 40 and older who ever had colonoscopy only, as recorded in COLEV.
[show more]The 2010 and forward Field Representative's Manual advised:
Comparability
Prior to 2019 there are no comparability issues. 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.
Availability
- 2010, 2013, 2015, 2018-2019, 2021, 2023
Weights
- 2010, 2013, 2015, 2018-2019, 2021, 2023 : SAMPWEIGHT
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