Counting the cost of healthy eating: a Swedish comparison of Mediterranean‐style and ordinary diets

Abstract 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.