Related Experiment Video
Updated: Mar 7, 2026

Sucrose Preference and Novelty-Induced Hypophagia Tests in Rats using an Automated Food Intake Monitoring System
Published on: May 8, 2020
Who does not reduce their sodium intake despite being advised to do so? A population segmentation analysis
Yan Li1, Julia Berenson2, Andrew E Moran3
1Center for Health Innovation, The New York Academy of Medicine, New York, NY, USA; Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Many adults ignore health advice on reducing sodium intake, increasing hypertension and cardiovascular disease risk. Population segmentation reveals specific subgroups needing targeted interventions for healthier sodium consumption.
Area of Science:
- Public Health
- Cardiovascular Health
- Behavioral Science
Background:
- Excessive sodium intake is a significant risk factor for hypertension and cardiovascular disease.
- Despite health professional counseling, many individuals fail to reduce high sodium consumption.
Purpose of the Study:
- To identify and segment adults who do not modify their sodium intake despite advice.
- To understand variations in non-adherence to sodium reduction recommendations across different demographics.
Main Methods:
- Utilized population segmentation analysis on a large dataset (125,764 respondents).
- Analyzed sodium intake data from the Behavioral Risk Factor Surveillance System across 15 states, DC, and Puerto Rico.
- Segmented adults into subgroups based on sodium intake behaviors.
Main Results:
- Approximately 16% of adults did not watch or reduce sodium intake after professional advice.
- Significant variations in non-adherence were observed across 25 identified population subgroups.
- Example: 44% of 18-44 year olds in West Virginia, versus 7.2% of Black adults 65+ with diabetes, did not reduce sodium intake.
Conclusions:
- Population segmentation effectively identifies subpopulations resistant to behavior change regarding sodium intake.
- Findings can guide targeted public health and clinical interventions for high-risk groups.
- Results support tailored strategies for policymakers to address sodium consumption behaviors.
Related Concept Videos
Convenience Sampling Method
Convenience sampling is a non-random method of sample selection; this method selects individuals that are easily accessible and may result in biased data. For example, a marketing...
Regulation of Sodium and Potassium
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
Analysis of Population Pharmacokinetic Data
Qualitative Analysis
For instance, group IV...
Sampling Plans
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...

