Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Nutrition labelling on alcoholic beverages : A behavioural law and economics study on mandatory alcohol labelling
    Schebesta, H. ; Purnhagen, K. ; Hieke, Sophie - \ 2019
    The exemption for alcoholic beverages from the nutrition declaration is currently discussed by policy makers. In this contribution, we use findings from consumer studies in order to analyse alcohol nutrition labelling. We first explain how alcohol nutrition labelling is currently regulated and survey the on-going policy process, including an analysis of the self-regulatory proposals that have been tabled by the alcohol beverages industry. On the basis of consumer studies, we argue that there are no reasons for excluding alcohol beverages from nutrition labelling. We further suggest that alcohol content labelling itself, currently absent from the policy agenda, should be included. Our recommendations are to study directive, semi-directive, and non-directive alcohol nutrition information labelling options. In light of highly varying attitudes across EU Member States to alcohol consumption, non-directive nutrition information (e.g. alcohol gram content in the nutrition declaration) may be most politically feasible and suitable to accommodate this diversity in the EU context.
    Final report with recommendations for a new framework for future collaboration and interfacing between existing RIs and the RI Consumer Data Platform : deliverable D9.2
    Roe, Mark ; Berry, Rachel ; Koroušić Seljak, Barbara ; Eftimov, Tome ; Bucher, Tamara ; Nazare, Julie-Anne ; Laville, Martine ; Mantur-Vierendeel, Angelika ; Ginchev, Todor ; Costa-Requena, Jose ; Hieke, Sophie ; Freisling, Heinz ; Finglas, Paul ; Zimmermann, K.L. ; Veer, P. van 't - \ 2018
    EU - 4 p.
    Detailed business model design : Deliverable D12.3
    Lienemann, Kerstin ; Pourabdollahian, Golboo ; Copani, Giacomo ; Hieke, Sophie ; Korousic Seljak, Barbara ; Zimmermann, K.L. ; Veer, P. van 't; Finglas, Paul - \ 2018
    EU - 6 p.
    Scientific manuscript on overall case study outcomes and future framework : deliverable D9.3
    Roe, Mark ; Berry, Rachel ; Koroušić Seljak, Barbara ; Eftimov, Tome ; Bucher, Tamara ; Nazare, Julie-Anne ; Laville, Martine ; Mantur-Vierendeel, Angelika ; Ginchev, Todor ; Costa-Requena, Jose ; Hieke, Sophie ; Freisling, Heinz ; Finglas, Paul ; Zimmermann, K.L. ; Veer, P. van 't - \ 2018
    EU - 38 p.
    Report on the synthesis of the findings for WP8-10 : deliverable D4.3
    Hodgkins, Charo ; Timotijevic, Lada ; Finglas, Paul ; Hieke, Sophie ; Mikkelsen, Bent Egberg ; Zimmermann, K.L. ; Veer, P. van 't - \ 2018
    EU - 19 p.
    Are Nutrition-Related Knowledge and Attitudes Reflected in Lifestyle and Health Among Elderly People? A Study Across Five European Countries
    Jeruszka-Bielak, Marta ; Kollajtis-Dolowy, Anna ; Santoro, A. ; Ostan, R. ; Berendsen, A.M. ; Jennings, A. ; Meunier, N. ; Marseglia, Anna ; Caumon, E. ; Gillings, Rachel ; Groot, C.P.G.M. de; Franceschi, Claudio ; Hieke, Sophie ; Pietruszka, B. - \ 2018
    Frontiers in Physiology 9 (2018). - ISSN 1664-042X - 13 p.
    Background: Nutrition-related knowledge (NRK) and nutrition-related attitudes (NRAs) are necessary for dietary changes toward healthier dietary patterns. In turn, healthier dietary patterns can be beneficial in maintaining health of older adults. Therefore, the aim of this cross-sectional study was to investigate whether NRK and NRAs were associated with lifestyle and health features among older adults (65+ years) from five European countries (France, Italy, Poland, the Netherlands and United Kingdom). Methods: Within the European project NU-AGE, 1,144 healthy elderly volunteers (65–79 years) were randomly assigned to two groups: intervention (NU-AGE diet) or control. After 1-year of follow-up, both NRK and NRAs were assessed during exit interviews, in combination with a number of lifestyle and health variables (e.g., physical activity, smoking, alcohol use, BMI, self-assessed health status). Multivariable linear regression models were used in data analysis. Results: In the NU-AGE study sample, good NRK was associated with lower BMI and higher physical activity. More positive NRAs were related to lower BMI and self-reported very good or good appetite. Moreover, both NRK and NRAs were associated with some socio-economic determinants, like financial situation, age, education, living area (for NRK), and country (for NRAs). Participants in the intervention group showed a better NRK (β = 0.367 [95% CI: 0.117; 0.617], p = 0.004) and more positive NRAs (β = 0.838 [95% CI: 0.318; 1.358], p = 0.002) than those in the control group. Higher self-evaluated knowledge was also significantly related to more positive NRAs (p < 0.001). The most popular sources of nutrition information were food labels, books and magazines on health, the dietitian and the doctor's office, although their importance varied significantly among countries, and, to a lesser extent, between women and men and between intervention and control group. Conclusion: Higher NRK and NRA scores were associated with lower BMI and higher physical activity level. Therefore, a good nutrition-related knowledge and positive nutrition-related attitudes can strongly and positively influence the health status and quality of life among the older population. These results offer a great opportunity for policy makers to implement educational programs in order to counteract the epidemic of obesity and to improve the health span of European population.
    Report on IC options : deliverable D8.2
    Mikkelsen, Bent Egberg ; Ofei, Kwabena Titi ; Hondo, Haris ; Kaunisto, Erik ; Hieke, Sophie ; Zimmermann, K.L. ; Veer, P. van 't - \ 2017
    EU - 3 p.
    Report on 4 cases stakeholder workshop : deliverable D8.3
    Ofei, Kwabena Titi ; Mikkelsen, Bent Egberg ; Hondo, Haris ; Kaunisto, Erik ; Hieke, Sophie ; Zimmermann, K.L. ; Veer, P. van 't - \ 2017
    EU - 4 p.
    Integrated report on four case studies and proposed data outputs for RI Consumer Data Platform : deliverable D9.1
    Roe, Mark ; Berry, Rachel ; Koroušić Seljak, Barbara ; Slimani, Nadia ; Nazare, Julie-Anne ; Laville, Martine ; Ginchev, Todor ; Costa-Requena, Jose ; Mutafungwa, Edward ; Hieke, Sophie ; Noh, Hwayoung ; Freisling, Heinz ; Finglas, Paul ; Zimmermann, K.L. ; Veer, P. van 't - \ 2017
    EU - 3 p.
    Integrated report of WP10 activities for Synthesis Report of Task 4.2 - Communicative exchange with consortium and stakeholders : deliverable D10.4
    Hieke, Sophie ; Bucher, Tamara ; Mikkelsen, Bent E. ; Finglas, Paul ; Puttelaar, J. van den; Zimmermann, K.L. ; Poppe, K.J. - \ 2017
    EU - 17 p.
    Alternatives of business model concepts for the RI Consumer Data Platform : deliverable D12.1
    Pourabdollahian, Golboo ; Copani, Giacomo ; Poppe, K.J. ; Koroušić Seljak, Barbara ; Lienemann, Kerstin ; Hieke, Sophie ; Zimmermann, K.L. ; Veer, P. van 't - \ 2017
    EU - 60 p.
    Position document ‘Laboratories and research facilities in the field of food and health consumer behaviour and lifestyle’ : deliverable D10.1
    Hieke, Sophie ; Bucher, Tamara ; Mikkelsen, Bent E. ; Finglas, Paul ; Puttelaar, J. van den; Zimmermann, K.L. ; Veer, P. van 't - \ 2017
    EU - 33 p.
    Vision document ‘Out of home consumption data and information for the RI Consumer Data Platform’ : deliverable D10.3
    Bucher, Tamara ; Mikkelsen, Bent Egberg ; Ofei, Kwabena Titi ; Hieke, Sophie ; Zimmermann, K.L. ; Finglas, Paul - \ 2016
    EU - 3 p.
    The pack size effect: Influence on consumer perceptions of portion sizes
    Hieke, Sophie ; Palascha, Aikaterini ; Jola, Corinne ; Wills, Josephine ; Raats, Monique M. - \ 2016
    Appetite 96 (2016). - ISSN 0195-6663 - p. 225 - 238.
    Larger portions as well as larger packs can lead to larger prospective consumption estimates, larger servings and increased consumption, described as 'portion-size effects' and 'pack size effects'. Although related, the effects of pack sizes on portion estimates have received less attention. While it is not possible to generalize consumer behaviour across cultures, external cues taken from pack size may affect us all. We thus examined whether pack sizes influence portion size estimates across cultures, leading to a general 'pack size effect'. We compared portion size estimates based on digital presentations of different product pack sizes of solid and liquid products. The study with 13,177 participants across six European countries consisted of three parts. Parts 1 and 2 asked participants to indicate the number of portions present in a combined photographic and text-based description of different pack sizes. The estimated portion size was calculated as the quotient of the content weight or volume of the food presented and the number of stated portions. In Part 3, participants stated the number of food items that make up a portion when presented with packs of food containing either a small or a large number of items. The estimated portion size was calculated as the item weight times the item number. For all three parts and across all countries, we found that participants' portion estimates were based on larger portions for larger packs compared to smaller packs (Part 1 and 2) as well as more items to make up a portion (Part 3); hence, portions were stated to be larger in all cases. Considering that the larger estimated portions are likely to be consumed, there are implications for energy intake and weight status.
    Country Differences in the History of Use of Health Claims and Symbols
    Hieke, Sophie ; Kuljanic, Nera ; Fernandez, Laura ; Lähteenmäki, Liisa ; Stancu, Violeta ; Raats, Monique ; Egan, Bernadette ; Brown, Kerry ; Trijp, Hans van; Kleef, Ellen van; Herpen, Erica van; Gröppel-Klein, Andrea ; Leick, Stephanie ; Pfeifer, Katja ; Verbeke, Wim ; Hoefkens, Christine ; Smed, Sinne ; Jansen, Léon ; Laser-Reuterswärd, Anita ; Korošec, Živa ; Pravst, Igor ; Kušar, Anita ; Klopčič, Marija ; Pohar, Jure ; Gracia, Azucena ; Magistris, Tiziana ; Grunert, Klaus - \ 2016
    European Journal of Nutrition & Food Safety 6 (2016)3. - ISSN 2347-5641 - p. 148 - 168.
    Health-related claims and symbols are intended as aids to help consumers make informed and healthier food choices but they can also stimulate the food industry to develop food that goes hand in hand with a healthier lifestyle. In order to better understand the role that health claims and symbols currently have and in the future potentially can have, the objective of the CLYMBOL project (“Role of health-related claims and symbols in consumer behaviour”, Grant no 311963) is to investigate consumers’ understanding of health claims and symbols, and how they affect purchasing and consumption [1].

    As part of this endeavour, it is important to understand the history of use of claims and symbols in Europe. What have consumers been exposed to and how were these health-related messages used and discussed among the public? In this study, we interviewed key stakeholders across Europe about how health claims have been regulated in their country, how health symbols have been and currently are being treated, what form of monitoring there is or should be and how both health claims and symbols have been debated in the public opinion. In 26 European Union (EU) Member States, opinions from 53 key informants from up to three different stakeholder groups were gathered: national food authorities, representatives of the food industry, and consumer organisations.

    While 14 Member States reported (at least partial) regulation of the use of health claims and/or symbols before the introduction of the EU Regulation (EC 1924/2006) on nutrition and health claims made on foods [2], mandatory reporting of use had only been in place in three EU Member States. A number of voluntary codes of practice for health claims and/or symbols (i.e. pre-approval or justification when challenged) was said to be in use in 15 Member States. There are only a few national databases on health claims and symbols available, the data for which is often incomplete. Only eight Member States reported having some form of database from which information about health claims and symbols could be extracted. The stakeholders interviewed expressed a strong interest in measuring the impact of health claims and symbols, particularly research into the effects on consumer behaviour (e.g. awareness and understanding, attitudes towards products carrying claims and symbols and purchase/consumption effects), public health (health outcomes and changes in national health status due to the introduction of claims and symbols on food products) and economic aspects including sales, return on investment and reputation measurements. Public debates were said to have evolved around the topics of consumer understanding of claims, acceptance as well as trust in the information presented but also the effects on vulnerable groups such as children and elderly consumers. Another field of debate was said to have been the question of the effectiveness of health claims and symbols. Lastly, stakeholders reported that public debates focussed mainly on the legislative aspects, i.e. how to apply the EU Regulation (No 1924/2006) with regards to wording issues, the evaluation process at the European Food Safety Authority (EFSA), the status of various claims and the nutrient profile modelling to be introduced in Europe.
    The role of health-related claims and symbols in consumer behaviour : The CLYMBOL project
    Hieke, Sophie ; Cascanette, Tamara ; Pravst, Igor ; Kaur, Asha ; Trijp, Hans Van; Verbeke, Wim ; Grunert, Klaus G. - \ 2016
    Agro Food Industry Hi-Tech 27 (2016)3. - ISSN 1722-6996 - p. 26 - 29.
    Consumer behaviour - Food choice - Food labelling - Health claims - Health symbols - Nutrition claims

    Health claims and symbols are a convenient tool when it comes to the marketing of foods and they should, in theory, support consumers in making informed food choices, ideally in choosing healthier food products. However, not much is known about their actual impact on consumer behaviour. CLYMBOL ("The Role of health-related CLaims and sYMBOLs in consumer behaviour") is an EU-funded project aiming to study how health claims and symbols influence consumer understanding, purchase and consumption behaviour. During a 4-year period, a wide range of research studies have been conducted across Europe, in order to analyse European consumer behaviour in the context of health claims and symbols. Results of the studies will provide a basis for recommendations for stakeholders such as policy makers, the food industry and consumer and patient organisations.

    The role of health-related claims and health-related symbols in consumer behaviour : Design and conceptual framework of the CLYMBOL project and initial results
    Hieke, S. ; Kuljanic, N. ; Wills, J.M. ; Pravst, I. ; Kaur, A. ; Raats, M.M. ; Trijp, H.C.M. van; Verbeke, W. ; Grunert, K.G. - \ 2015
    Nutrition Bulletin 40 (2015)1. - ISSN 1471-9827 - p. 66 - 72.
    Consumer behaviour - Food choice - Food labelling - Health claim - Health symbols

    Health claims and symbols are potential aids to help consumers identify foods that are healthier options. However, little is known as to how health claims and symbols are used by consumers in real-world shopping situations, thus making the science-based formulation of new labelling policies and the evaluation of existing ones difficult. The objective of the European Union-funded project Role of health-relatedCLaimsandsYMBOLsin consumer behaviour (CLYMBOL) is to determine how health-related information provided through claims and symbols, in their context, can affect consumer understanding, purchase and consumption. To do this, a wide range of qualitative and quantitative consumer research methods are being used, including product sampling, sorting studies (i.e. how consumers categorise claims and symbols according to concepts such as familiarity and relevance), cross-country surveys, eye-tracking (i.e. what consumers look at and for how long), laboratory and in-store experiments, structured interviews, as well as analysis of population panel data. EU Member States differ with regard to their history of use and regulation of health claims and symbols prior to the harmonisation of 2006. Findings to date indicate the need for more structured and harmonised research on the effects of health claims and symbols on consumer behaviour, particularly taking into account country-wide differences and individual characteristics such as motivation and ability to process health-related information. Based on the studies within CLYMBOL, implications and recommendations for stakeholders such as policymakers will be provided.

    Inferring product healthfulness from nutrition labelling. The influence of reference points
    Herpen, E. van; Hieke, S. ; Trijp, J.C.M. van - \ 2014
    Appetite 72 (2014)1. - ISSN 0195-6663 - p. 138 - 149.
    front-of-pack - reference information - food-products - new-zealand - consumers - choices - attention - formats - impact - labels
    Despite considerable research on nutrition labelling, it has proven difficult to find a front-of-pack label which is informative about product healthfulness across various situations. This study examines the ability of different types of nutrition labelling schemes (multiple traffic light label, nutrition table, GDA, logo) to communicate product healthfulness (a) across different product categories, (b) between options from the same product category, and (c) when viewed in isolation and in comparison with another product. Results of two experiments in Germany and The Netherlands show that a labelling scheme with reference point information at the nutrient level (e.g., the traffic light label) can achieve all three objectives. Although other types of labelling schemes are also capable of communicating healthfulness, labelling schemes lacking reference point information (e.g., nutrition tables) are less effective when no comparison product is available, and labelling schemes based on overall product healthfulness within the category (e.g., logos) can diminish consumers’ ability to differentiate between categories, leading to a potential misinterpretation of product healthfulness. None of the labels affected food preferences.
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