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Sørensen KK, Nielsen EP, Møller AL, Andersen MP, Møller FT, Melbye M, Kolko M, Ejlskov L, Køber L, Gislason G, Starkopf L, Gerds TA, Torp-Pedersen C. Food purchases in households with and without diabetes based on consumer purchase data. Prim Care Diabetes 2022; 16:574-580. [PMID: 35461790 DOI: 10.1016/j.pcd.2022.04.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 03/24/2022] [Accepted: 04/09/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Dietary recommendations for individuals with diabetes are easy to provide, but adherence is difficult to monitor. The objective of this study was to investigate whether there was a difference in grocery purchases between households with and without diabetes. STUDY DESIGN Cohort study. METHODS Consumer purchase data in 2019 was collected from 6662 households donating their supermarket receipts via a receipt collecting service. Of these households, 718 included at least one individual with diabetes. The monetary percentages spent on specific food groups were used to characterize households using all purchases in 2019. A probability index model was used to compare households with diabetes to households without diabetes. RESULTS We included 405,264 shopping trips in 2019 attributed to 6662 households. Both households with and without diabetes spent the highest monetary percentage on sweets (with diabetes: 9.3%, without diabetes: 8.8%), with no statistically significant difference detected. However, compared to households without diabetes, households with diabetes had a significantly higher probability of spending a higher monetary percentage on butter, oil and dressings; non-sugary drinks; processed red meat and ready meals as well as a significantly lower probability of spending a higher monetary percentage on accessory compounds; alcoholic beverages; eggs; grains; rice and pasta, and raw vegetables. CONCLUSIONS Households with diabetes spent a relatively higher monetary value on several unhealthy foods and less on several healthy groceries compared to households without diabetes. There is a need for more diabetes self-management education focused on including more healthy dietary choices in their household grocery purchases.
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Affiliation(s)
- Kathrine Kold Sørensen
- Department of Cardiology, Nordsjællands Hospital, Dyrehavevej 29, Hillerød 2400, Denmark.
| | - Emilie Prang Nielsen
- Department of Research, Danish Heart Foundation, Vognmagergade 7, Copenhagen 1120, Denmark; Section of Biostatistics, Department of Public Health, University of Copenhagen, Øster Farimagsgade 5A, 1353 Copenhagen, Denmark
| | - Amalie Lykkemark Møller
- Department of Cardiology, Nordsjællands Hospital, Dyrehavevej 29, Hillerød 2400, Denmark; Section of Preventive Medicine and Epidemiology, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | | | - Frederik Trier Møller
- Division of Infectious Disease Preparedness, Statens Serum Institut, Copenhagen, Denmark
| | - Mads Melbye
- Department of Clinical Medicine Statens Serum Institut, Artillerivej 5, 2300 København, Denmark
| | - Miriam Kolko
- Department of Drug Design and Pharmacology, University of Copenhagen, Denmark; Department of Ophthalmology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Linda Ejlskov
- Department of Economics and Business, National Center for Register-based Research, Aarhus University, Aarhus, Denmark
| | - Lars Køber
- Department of Cardiology, Rigshospitalet, Copenhagen, Denmark
| | - Gunnar Gislason
- Department of Research, Danish Heart Foundation, Vognmagergade 7, Copenhagen 1120, Denmark; Department of Cardiology, Copenhagen University Hospital Herlev and Gentofte, Hellerup, Denmark; Department of Clinical Medicine, Faculty of Health and Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Liis Starkopf
- Department of Research, Danish Heart Foundation, Vognmagergade 7, Copenhagen 1120, Denmark
| | - Thomas Alexander Gerds
- Department of Research, Danish Heart Foundation, Vognmagergade 7, Copenhagen 1120, Denmark
| | - Christian Torp-Pedersen
- Department of Cardiology, Nordsjællands Hospital, Dyrehavevej 29, Hillerød 2400, Denmark; Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
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Nielsen EP, Andersen S, Brand CL, Ditlevsen S. Applying historical data in a nonlinear mixed-effects model can reduce the number of control rats required for calculation of the relative potency of insulin analogues. PLoS One 2022; 17:e0257750. [PMID: 35709155 PMCID: PMC9202954 DOI: 10.1371/journal.pone.0257750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 06/02/2022] [Indexed: 11/24/2022] Open
Abstract
This paper examines how to reduce the number of control animals in preclinical hyperinsulemic glucose clamp studies if we make use of information on historical studies. A dataset consisting of 59 studies in rats to investigate new insulin analogues for diabetics, collected in the years 2000 to 2015, is analysed. A simulation experiment is performed based on a carefully built nonlinear mixed-effects model including historical information, comparing results (for the relative log-potency) with the standard approach ignoring previous studies. We find that by including historical information in the form of the mixed-effects model proposed, we can to remove between 23% and 51% of the control rats in the two studies looked closely upon to get the same level of precision on the relative log-potency as in the standard analysis. How to incorporate the historical information in the form of the mixed-effects model is discussed, where both a mixed-effect meta-analysis approach as well as a Bayesian approach are suggested. The conclusions are similar for the two approaches, and therefore, we conclude that the inclusion of historical information is beneficial in regard to using fewer control rats.
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Affiliation(s)
| | | | | | - Susanne Ditlevsen
- Data Science Laboratory, University of Copenhagen, Copenhagen, Denmark
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