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Improving adherence to a cholesterol-lowering diet: a behavioral intervention study
Lora E Burke1, Jacqueline Dunbar-Jacob, Trevor J Orchard
1University of Pittsburgh School of Nursing, 415 Victoria Building, Pittsburgh, PA 15261, USA. lbu100@pitt.edu
Patient Education and Counseling
|March 31, 2005
Summary
A telephone-delivered intervention improved adherence to cholesterol-lowering diets for adults with hypercholesterolemia. This dietary intervention successfully reduced saturated fat and cholesterol intake, enhancing therapeutic eating plan compliance.
Area of Science:
- Nutrition Science
- Behavioral Science
- Public Health
Background:
- Dietary recommendations are followed by less than 50% of US adults.
- Research on improving adherence to therapeutic eating plans is limited.
- Self-efficacy theory shows potential for enhancing behavior change and treatment adherence.
Purpose of the Study:
- To evaluate a telephone-delivered, self-efficacy based intervention.
- To improve adherence to a cholesterol-lowering diet among nonadherent individuals.
- To assess the intervention's impact on dietary intake and low-density lipoprotein-cholesterol (LDL-C).
Main Methods:
- Sixty-five adults with hypercholesterolemia were randomized to usual care or intervention.
- The intervention group received six bi-weekly telephone sessions.
- Sessions focused on managing eating behaviors in challenging situations.
Main Results:
- The intervention group significantly reduced saturated fat and cholesterol consumption.
- Dietary adherence improved in the intervention group compared to usual care.
- A significant decrease in LDL-C was observed over time in the intervention group.
- Self-efficacy did not change between groups, indicating it was not a mediator.
Conclusions:
- Telephone-delivered interventions are effective for enhancing dietary adherence.
- This approach can improve adherence to cholesterol-lowering diets.
- Telephonic delivery is a viable method for adherence-enhancing interventions.