Codes and Frequencies
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Description
For sample adults who were ever told they have high cholesterol (CHOLHIGHEV), CHOLMEDNOW indicates if they currently take prescribed medication to lower their cholesterol level.
In 1991, 1993, 1998, and 2015-2018, CHOLMEDNOW indicates if sample adults who were ever prescribed medicine for high cholesterol (CHOLMEDPRE) are currently taking medication to lower their cholesterol level. In 2005, CHOLMEDNOW indicates if sample adults, regardless of whether they had been told they have high cholesterol, currently takes prescribed medication regularly, that is, at least 3 times a week, to lower their cholesterol level.
Comparability
Changes in the universe and question wording affect comparability 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.
Universe
- 1991: Sample persons age 18+ who ever had their blood cholesterol checked (or don't know whether their cholesterol was checked), who were ever told their cholesterol was high, who were ever prescribed medication to help lower their cholesterol, and who ever took such medication.
- 1993: Half of sample persons age 18+ in quarters 3 and 4 (excluded from AIDS supplement) who have ever had their cholesterol checked by a doctor or health professional (or for whom it was unknown if it was ever checked), who were ever told their blood cholesterol was high, and who were ever prescribed medication to lower cholesterol.
- 1998: Sample adults age 18+ who ever had their blood cholesterol checked (or don't know whether their cholesterol was checked), who were ever told their cholesterol was high, and who were ever prescribed medication to help lower their cholesterol.
- 2005: Sample adults age 18+.
- 2015-2018: Sample adults 18+ who were ever prescribed medicine for high cholesterol
- 2019-2023: Sample adults 18+ who were ever told they had high cholesterol (CHOLHIGHEV).
Availability
- 1991, 1993, 1998, 2005, 2015-2023
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Weights
- 1991, 1998, 2005, 2015-2023 : SAMPWEIGHT
- 1993 : SUPP2WT