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ABSTRACT: Objective
We tested the hypothesis that a lifestyle program would improve risk factors linked to cardiovascular disease (CVD) in first responders.Methods
A 1-year cluster-randomized controlled clinical trial in 10 cities. Participants were 175 first responders, with increased waist circumference and/or low levels of large (α1) high-density lipoprotein (HDL) particles. The intervention group received personalized online tools and access to telephonic coaching sessions.Results
At 1 year the intervention significantly reduced body weight (P = 0.004) and waist circumference (P = 0.002), increased α1 HDL (P = 0.01), and decreased triglyceride (P = 0.005) and insulin concentrations (P = 0.03). Program adherence was associated with weight loss (P = 0.0005) and increases in α1 HDL (P = 0.03).Conclusions
In first responders, a personalized lifestyle intervention significantly improved CVD risk factors in proportion to program adherence. Changes in large HDL particles were more sensitive indicators of lifestyle changes than HDL-cholesterol measurement.Clinical trial registration number
ClinicalTrials.gov: NCT03322046.
SUBMITTER: Gill R
PROVIDER: S-EPMC6416033 | biostudies-literature | 2019 Mar
REPOSITORIES: biostudies-literature
Gill Rosalynn R Superko Harold Robert HR McCarthy Megan M MM Jack Kepra K Jones Briana B Ghosh Debanjali D Richards Steve S Gleason Joi A JA Williams Paul T PT Dansinger Michael M
Journal of occupational and environmental medicine 20190301 3
<h4>Objective</h4>We tested the hypothesis that a lifestyle program would improve risk factors linked to cardiovascular disease (CVD) in first responders.<h4>Methods</h4>A 1-year cluster-randomized controlled clinical trial in 10 cities. Participants were 175 first responders, with increased waist circumference and/or low levels of large (α1) high-density lipoprotein (HDL) particles. The intervention group received personalized online tools and access to telephonic coaching sessions.<h4>Results< ...[more]