Dose-dependent effects of lifestyle interventions on blood lipid levels: Results from the PREMIER trial

Ramzi Dudum, Stephen P. Juraschek, Lawrence Appel

Research output: Contribution to journalArticle

Abstract

Objective: To assess the effects of comprehensive lifestyle modification on low-density lipoprotein cholesterol (LDL-C)levels and whether greater participation in counseling sessions was associated with greater LDL-C reductions. Methods: Multicenter trial of Pre- or Stage 1 hypertensive adults randomized to: (1)Advice alone, (2)‘Established’ lifestyle intervention implementing physical activity, sodium reduction, and weight loss, if overweight, or (3)‘Established + DASH’ lifestyle intervention with DASH diet counseling. Both intervention groups received behavioral counseling. We used generalized estimating equations to model the intervention's effects on lipid outcomes. Analyses of number of sessions and lipids were adjusted for demographics and medical history. Results: Among 756 participants (mean age 49.7, 63.2% women, 34.7% black), both lifestyle interventions reduced LDL-C, triglycerides, and total cholesterol (TC)at six months. Compared to the ‘Advice’ arm, net mean lipid changes in the Established group were: LDL-C of -5.6 mg/dL (p=0.001)and TC of -7.3 mg/dL (p<0.001). Similarly, changes in the ‘Established + DASH’ group were: LDL-C of -4.0 mg/dL (p=0.03)and TC of -5.7 mg/dL (p=0.006). In dose-response analyses, for every 10-session increase, LDL-C changed by -6.2 mg/dL (p=0.003). Conclusions: Comprehensive lifestyle modification lowers LDL-C with greater benefit among persons who attend more counseling sessions. Practice Implications: Patient engagement is a critical aspect of effective lifestyle interventions.

Original languageEnglish (US)
JournalPatient Education and Counseling
DOIs
StatePublished - Jan 1 2019

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LDL Cholesterol
Life Style
Lipids
Counseling
Cholesterol
Patient Participation
Multicenter Studies
Weight Loss
Sodium
Demography
Exercise
Diet

Keywords

  • Cardiovascular disease
  • Diet
  • Epidemiology
  • Lipids
  • Patient engagement
  • Randomized trial

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Dose-dependent effects of lifestyle interventions on blood lipid levels : Results from the PREMIER trial. / Dudum, Ramzi; Juraschek, Stephen P.; Appel, Lawrence.

In: Patient Education and Counseling, 01.01.2019.

Research output: Contribution to journalArticle

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