Is a Hypertension Diagnosis Associated With Improved Dietary Outcomes Within 2 to 4 Years? A Fixed-Effects Analysis From the China Health and Nutrition Survey

Background Evidence shows that dietary factors play an important role in blood pressure. However, there is no clear understanding of whether hypertension diagnosis is associated with dietary modifications. The aim of this study is to estimate the longitudinal association between hypertension diagnos...

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Bibliographic Details
Published in:Journal of the American Heart Association 2019-11, Vol.8 (21), p.e012703-e012703
Main Authors: Aburto, Tania C, Gordon-Larsen, Penny, Poti, Jennifer M, Howard, Annie G, Adair, Linda S, Avery, Christy L, Popkin, Barry M
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
China
dietary changes
Female
fixed‐effects models
Humans
Hypertension - diagnosis
Hypertension - diet therapy
Longitudinal Studies
Male
Middle Aged
Nutrition Surveys
Original Research
Potassium, Dietary - administration & dosage
sodium intake
Sodium, Dietary - administration & dosage
Time Factors
Treatment Outcome
Young Adult
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Summary:Background Evidence shows that dietary factors play an important role in blood pressure. However, there is no clear understanding of whether hypertension diagnosis is associated with dietary modifications. The aim of this study is to estimate the longitudinal association between hypertension diagnosis and subsequent changes (within 2-4 years) in dietary sodium, potassium, and sodium-potassium (Na/K) ratio. Methods and Results We included adults (18-75 years, n=16 264) from up to 9 waves (1991-2015) of the China Health and Nutrition Survey. Diet data were collected using three 24-hour dietary recalls and a household food inventory. We used fixed-effects models to estimate the association between newly self-reported diagnosed hypertension and subsequent within-individual changes in sodium, potassium, and Na/K ratio. We also examined changes among couples and at the household level. Results suggest that on average, men who were diagnosed with hypertension decreased their sodium intake by 251 mg/d and their Na/K ratio by 0.19 within 2 to 4 years after diagnosis (
ISSN:2047-9980
2047-9980
DOI:10.1161/JAHA.119.012703