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Counting the cost of healthy eating: a Swedish comparison of Mediterranean-style and ordinary diets
Umeå universitet, Samhällsvetenskapliga fakulteten, Institutionen för kostvetenskap.
Inst f Hushållsvetenskap, Uppsala Universitet.
Umeå universitet, Samhällsvetenskapliga fakulteten, Institutionen för kostvetenskap.
2008 (engelsk)Inngår i: International Journal of Consumer Studies, ISSN 1470-6423, E-ISSN 1470-6431, Vol. 32, nr 2, s. 138-146Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The aim of this research was to examine the cost of a diet generally regarded as healthy, a Swedish version of the Mediterranean diet, and to compare it with the cost of an ordinary Swedish diet. A total of 30 individuals provided detailed dietary data collected in a randomized intervention study, examining the effect of dietary change to a Mediterranean-style diet in patients with rheumatoid arthritis (Mediterranean group, n = 16, control group, n = 14). The data, covering 1-month dietary intake, were examined with three different diet quality indicators to see whether the Mediterranean group consumed a healthier diet than the control group. All diet quality indicators showed that the Mediterranean group consumed a healthier diet than the control group. Consumer food prices were used to analyse the cost of the different diets. In immediate consumer cost terms, eating a healthier diet was more expensive when differences in energy intake were discounted. However, non-energy adjusted costs showed no significant difference between the groups. Hence, if one of the reasons for choosing a healthier diet is to achieve weight loss – by consuming less energy – it is possible that healthier eating is not more expensive.

sted, utgiver, år, opplag, sider
2008. Vol. 32, nr 2, s. 138-146
Emneord [en]
Healthy diet, Mediterranean diet, Food cost, Economics, Sweden, Healthy diet index
HSV kategori
Forskningsprogram
Kostvetenskap
Identifikatorer
URN: urn:nbn:se:umu:diva-9093DOI: 10.1111/j.1470-6431.2007.00656.xOAI: oai:DiVA.org:umu-9093DiVA, id: diva2:148764
Tilgjengelig fra: 2008-03-28 Laget: 2008-03-28 Sist oppdatert: 2018-06-09bibliografisk kontrollert
Inngår i avhandling
1. Toward an understanding of the barriers to and facilitators of dietary change:
Åpne denne publikasjonen i ny fane eller vindu >>Toward an understanding of the barriers to and facilitators of dietary change:
2011 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Alternativ tittel[sv]
Faktorer som underlättar respektive försvårar kostförändring :
Abstract [en]

Healthy dietary changes would be beneficial for society, as the economic burden of diet-related diseases is massive, and for the individual, who would reduce their risk of ill health. However, it is not easy to change dietary habits. Therefore, the aim of this thesis was to better understand dietary change, focusing on the barriers to and facilitators of healthy dietary change by i) examining changes in food choices when dietary change is imposed by a medical diagnosis, ii) examining experiences related to dietary change and its sustainability after participation in a study where healthy dietary changes were required, and iii) examining diet cost in relation to healthiness of the diet.

Methods Eighty children aged 13 who were diagnosed with celiac disease (CD) by a screening study reported their food intake in a food frequency questionnaire before and 1,5 years after commencing a gluten-free diet. Changes in food intake and the healthiness of the diet were examined, controlling for societal changes through the use of an age- and sex-matched control group. Diet healthiness was assessed using the National Food Administration’s (NFA) food index and the Diet Quality Index-Swedish Nutritional Recommendations. Qualitative interviews were conducted with 14 individuals who participated in an intervention study five years earlier where they had been randomly selected to adhere to a Mediterranean-like diet for three months. Analyses of the transcribed interviews focused on their experiences of barriers to and facilitators of dietary change and its sustainability. The costs related to healthy diets were examined by comparing consumer food prices with dietary intake data collected in two separate studies. The first study collected dietary intake data through a diet history interview with participants who had been randomized to either a Mediterranean-like diet or to continue their normal diet. The second study collected dietary intake data from 4-, 8-, and 11-year-old children by means of food diaries and was conducted by the NFA. Diet healthiness was assessed using the Healthy Eating Index 2005.

Results The screened CD group made relatively few changes to their diets. They decreased their intake of certain gluten-containing products, including pizza, chicken nuggets, fish sticks, and pastries. There were no changes in the healthiness of their diet. The narratives of the individuals changing their diets showed that social relationships were the main barrier to sustainability. Social relationships within the household were especially troublesome, and various coping strategies were required on an everyday basis. Dietary change also increased the burden of food work (e.g., planning, shopping, cooking), which was another major barrier to dietary change. Comparisons between consumer costs of healthy and less healthy diets showed that those consuming the healthier diets also had consumed more expensive diets.

Conclusion More barriers to healthy dietary changes were found than facilitators of these transitions. For instance, the impact of social relationships on sustainability of dietary change was found to be high, indicating the importance of participation of other household members when dietary changes are implemented. The higher cost of the healthier diets may be another barrier for healthy dietary changes, especially for those with limited resources. Even though it is possible to eat healthily at a lower cost, such a diet would likely require both cooking skills and time, thus making the task more difficult. However, the finding that children diagnosed with CD only made minor changes in their consumption of, for instance, bread and pasta, indicates that one way of increasing the healthiness of a diet is to substitute healthier alternatives within the same food group for less healthy food items.

sted, utgiver, år, opplag, sider
Umeå: Kostvetenskap, 2011. s. 89
Emneord
Dietary change, Healthy eating, Barriers, Facilitators, Dietary indexes, Diet cost, Food prices, Social relationships, Qualitative interviews, Mediterranean diet, Celiac disease, Children
HSV kategori
Forskningsprogram
Kostvetenskap
Identifikatorer
urn:nbn:se:umu:diva-43769 (URN)978-91-7459-189-7 (ISBN)
Disputas
2011-06-03, Hörsal C, Samhällsvetarhuset, Umeå Universitet, Umeå, 13:00 (svensk)
Opponent
Veileder
Tilgjengelig fra: 2011-05-13 Laget: 2011-05-09 Sist oppdatert: 2018-06-08bibliografisk kontrollert

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