Evaluation of the Clinical and Economic Effects of a Primary Care Anchored, Collaborative, Electronic Health Lifestyle Coaching Program in Denmark: Protocol for a Two-Year Randomized Controlled Trial

Carl J Brandt, Jeanette Reffstrup Christensen, Jørgen T Lauridsen, Jesper Bo Nielsen, Jens Søndergaard, Camilla Sortsø, Carl J Brandt, Jeanette Reffstrup Christensen, Jørgen T Lauridsen, Jesper Bo Nielsen, Jens Søndergaard, Camilla Sortsø

Abstract

Background: Obesity is linked to a number of chronic health conditions, such as type 2 diabetes, heart disease, and cancer, and weight loss interventions are often expensive. Recent systematic reviews concluded that app and web-based interventions can improve lifestyle behaviors and weight loss at a reasonable cost, but long-term sustainability needs to be demonstrated.

Objective: This study protocol is for a 2-year randomized controlled trial that aims to evaluate the clinical and economic effects of a primary care, anchored, collaborative, electronic health (eHealth) lifestyle coaching program (long-term Lifestyle change InterVention and eHealth Application [LIVA] 2.0) in obese participants with and without type 2 diabetes. The program's primary outcome is weight loss. Its secondary outcome is the hemoglobin A1c (HbA1c) level, and its tertiary outcomes are retention rate, quality of life (QOL), and cost effectiveness. Analytically, the focus is on associations of participant characteristics with outcomes and sustainability.

Methods: We conduct a multicenter trial with a 1-year intervention and 1-year retention. LIVA 2.0 is implemented in municipalities within administrative regions in Denmark, specifically eight municipalities located within the Region of Southern Denmark and two municipalities located within the Capital Region of Denmark. The participants are assessed at baseline and at 6-, 12-, and 24-month follow-ups. Individual data from the LIVA 2.0 platform are combined with clinical measurements, questionnaires, and participants' usage of municipality and health care services. The participants have a BMI ≥30 but ≤45 kg/m2, and 50% of the participants have type 2 diabetes. The participants are randomized in an approximately 60:40 manner, and based on sample size calculations on weight loss and intention-to-treat statistics, 200 participants are randomized to an intervention group and 140 are randomized to a control group. The control group is offered the conventional preventive program of the municipality, and it is compared to the intervention group, which follows the LIVA 2.0 in addition to the conventional preventive program.

Results: The first baseline assessments have been carried out in March 2018, and the 2-year follow-up will be carried out between March 2020 and April 2021. The hypothesis is that the trial results will demonstrate decreased body weight and that the number of patients who show normalization of their HbA1c levels in the intervention group will be much higher than that in the control group. The participants in the intervention group are also expected to show a greater decrease in their use of glucose-lowering medication and a greater improvement in their QOL when compared with the control group. Operational costs are expected to be lower than standard care, and the intervention is expected to be cost-effective.

Conclusions: This is the first time that an app and web-based eHealth lifestyle coaching program implemented in Danish municipalities will be clinically and economically evaluated. If the LIVA 2.0 eHealth lifestyle coaching program is proven to be effective, there is great potential for decreasing the rates of obesity, diabetes, and related chronic diseases.

Trial registration: ClinicalTrials.gov NCT03788915; https://ichgcp.net/clinical-trials-registry/NCT03788915.

International registered report identifier (irrid): DERR1-10.2196/19172.

Keywords: digital behavioral coaching; health behavior change; interactive advice; lifestyle change; obesity; participant engagement; quality of life; type 2 diabetes management; weight loss.

Conflict of interest statement

Conflicts of Interest: CJB has co-founded LIVA Healthcare A/S and owns stock in LIVA Healthcare A/S, the company that developed parts of the technical platform and hosted some of it during the study. CJB works at the Research Unit for General Practice at University of Southern Denmark. CS is an employee of LIVA Healthcare A/S. JS, JBN, JRC, and JTL have no financial interests in LIVA Healthcare A/S or any other aspects of this study.

©Carl J Brandt, Jeanette Reffstrup Christensen, Jørgen T Lauridsen, Jesper Bo Nielsen, Jens Søndergaard, Camilla Sortsø. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 25.06.2020.

Figures

Figure 1
Figure 1
Illustration of participant flow.

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