Cost-effectiveness and quality of life of a diet intervention postpartum: 2-year results from a randomized controlled trial

Lars Hagberg, Anna Winkvist, Hilde K Brekke, Fredrik Bertz, Else Hellebö Johansson, Ena Huseinovic, Lars Hagberg, Anna Winkvist, Hilde K Brekke, Fredrik Bertz, Else Hellebö Johansson, Ena Huseinovic

Abstract

Background: Pregnancy has been identified as a contributor to obesity. We have shown that a diet intervention postpartum produced a 2-y weight loss of 8%. Here, we present the impact of the diet intervention on cost-effectiveness and explore changes in quality of life (QOL).

Methods: A total of 110 postpartum women with overweight/obesity were randomly assigned to diet (D-group) or control (C-group). D-group received a 12-wk diet intervention within primary health care followed by monthly emails up to the 1-y follow-up. C-group received a brochure. Changes in QOL were measured using the 36-item Short Form Health Survey and EQ-5D. The analysis of cost-effectiveness was a cost-utility analysis with a health care perspective and included costs of intervention for stakeholder, quality-adjusted life-years (QALYs) gained and savings in health care. The likelihood of cost-effectiveness was examined using the net monetary benefit method.

Results: The D-group increased their QOL more than the C-group at 12 wk. and 1 y, with pronounced differences for the dimensions general health and mental health, and the mental component summary score (all p < 0.05). Cost per gained QALY was 1704-7889 USD. The likelihood for cost-effectiveness, based on a willingness to pay 50,000 USD per QALY, was 0.77-1.00.

Conclusions: A diet intervention that produced clinically relevant postpartum weight loss also resulted in increased QOL and was cost-effective.

Trial registration: Clinical trials, NCT01949558 , 2013-09-24.

Keywords: Cost-effectiveness; Postpartum; Primary health care; Quality of life; Weight loss.

Conflict of interest statement

Ethics approval and consent to participate

The trial was approved by the regional ethical committee in Gothenburg (Dnr 483–06 and Dnr 709–11) and written informed consent was obtained from all women.

Consent for publication

Not applicable.

Competing interests

The authors declare that they have no competing interests.

Publisher’s Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Figures

Fig. 1
Fig. 1
Flow chart of study participants in the LEVA in Real Life trial
Fig. 2
Fig. 2
Likelihood of cost-effectiveness when willingness to pay for a quality-adjusted life-year was 0–100,000 USD in the LEVA in Real Life trial. The analysis is based on the three quality of life-instruments Short-Form 6D (SF-6D), the EuroQol 5D (EQ-5D-3 L), and the EuroQol-VAS (EQ-VAS)

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