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Background Eating in absence of hunger is quite common and often associated with an increased energy intake co-existent with a poorer food choice. Intuitive eating (IE), i.e., eating in accordance with internal hunger and satiety cues, may protect from overeating. IE, however, requires accurate perception and processing of one’s own bodily signals, also referred to as interoceptive sensitivity. Training interoceptive sensitivity might therefore be an effective method to promote IE and prevent overeating. As most studies on eating behavior are conducted in younger adults and close social relationships influence health-related behavior, this study focuses on middle-aged and older couples. Methods The present pilot randomized intervention study aims at investigating the feasibility and effectiveness of a 21-day mindfulness-based training program designed to increase interoceptive sensitivity. A total of N = 60 couples participating in the NutriAct Family Study, aged 50–80 years, will be recruited. This randomized-controlled intervention study comprises three measurement points (pre-intervention, post-intervention, 4-week follow-up) and a 21-day training that consists of daily mindfulness-based guided audio exercises (e.g., body scan). A three-arm intervention study design is applied to compare two intervention groups (training together as a couple vs. training alone) with a control group (no training). Each measurement point includes the assessment of self-reported and objective indicators of interoceptive sensitivity (primary outcome), self-reported indicators of intuitive and maladaptive eating (secondary outcomes), and additional variables. A training evaluation applying focus group discussions will be conducted to assess participants’ overall acceptance of the training and its feasibility. Discussion By investigating the feasibility and effectiveness of a mindfulness-based training program to increase interoceptive sensitivity, the present study will contribute to a deeper understanding of how to promote healthy eating in older age.

Background Eating in absence of hunger is quite common and often associated with an increased energy intake co-existent with a poorer food choice. Intuitive eating (IE), i.e., eating in accordance with internal hunger and satiety cues, may protect from overeating. IE, however, requires accurate perception and processing of one’s own bodily signals, also referred to as interoceptive sensitivity. Training interoceptive sensitivity might therefore be an effective method to promote IE and prevent overeating. As most studies on eating behavior are conducted in younger adults and close social relationships influence health-related behavior, this study focuses on middle-aged and older couples. Methods The present pilot randomized intervention study aims at investigating the feasibility and effectiveness of a 21-day mindfulness-based training program designed to increase interoceptive sensitivity. A total of N = 60 couples participating in the NutriAct Family Study, aged 50–80 years, will be recruited. This randomized-controlled intervention study comprises three measurement points (pre-intervention, post-intervention, 4-week follow-up) and a 21-day training that consists of daily mindfulness-based guided audio exercises (e.g., body scan). A three-arm intervention study design is applied to compare two intervention groups (training together as a couple vs. training alone) with a control group (no training). Each measurement point includes the assessment of self-reported and objective indicators of interoceptive sensitivity (primary outcome), self-reported indicators of intuitive and maladaptive eating (secondary outcomes), and additional variables. A training evaluation applying focus group discussions will be conducted to assess participants’ overall acceptance of the training and its feasibility. Discussion By investigating the feasibility and effectiveness of a mindfulness-based training program to increase interoceptive sensitivity, the present study will contribute to a deeper understanding of how to promote healthy eating in older age., Zweitveröffentlichungen der Universität Potsdam : Humanwissenschaftliche Reihe; 826

Hintergrund & Zielsetzung: Inwiefern geht die Statuspassage von der Erwerbst��tigkeit in den Ruhestand mit ver��nderten Ern��hrungspraktiken einher und welches Potenzial f��r eine gesundheitsf��rdernde Ern��hrung birgt diese? Die vorliegende Arbeit widmet sich diesen Fragen mittels einer systematischen Recherche und explorativen Integration bisheriger Forschungsbefunde. Ein umfassendes Wissen und vertieftes Verst��ndnis der biografisch lebensweltlichen Umst��nde, die das allt��gliche Ern��hrungsverhalten pr��gen, ist grundlegend f��r eine effektive ern��hrungsbezogene F��rderung gesunden Alterns. Im Rahmen dieser Dissertation werden theoretisch-konzeptionelle Grundlagen aus gesundheits- und ern��hrungssoziologischer Perspektive eingeordnet und diskutiert. Zudem wird die Methodik Systematischer Mixed Studies Reviews anhand einer detaillierten Verfahrensbeschreibung vertieft. Methodik: Ein Systematisches Mixed Studies Review wurde durchgef��hrt, dessen Prozess neun teils iterative Arbeitsschritte umfasste. Insgesamt wurden N=974 Studien identifiziert, welche anhand a priori definierter Kriterien auf Eignung f��r einen Einschluss gepr��ft wurden. Je f��nf qualitative und quantitative Studien entsprachen den Inklusionskriterien. F��r deren Befundintegration wurde ein Qualitative Databased Synthesis Design gew��hlt. Die Datenauswertung erfolgte mittels Thematischer Analyse. Ergebnisse: Die eingeschlossenen Prim��rstudien zeichneten sich durch heterogene Studien- und Stichprobencharakteristika aus. Inwiefern sich die Ern��hrung im Ruhestand ver��ndert, erwies sich als ambivalent. So wurden sowohl gesundheitsf��rderliche als auch unges��ndere Ern��hrungspraktiken beobachtet. Als zentrale Einflussfaktoren waren das weibliche Geschlecht und der Partnerschaftsstatus mit einer ges��nderen Ern��hrung assoziiert. Au��erdem lie��en sich strukturelle ern��hrungsbezogene Ver��nderungen ��� wie extensivere Mahlzeitroutinen im Ruhestand ��� identifizieren. Diskussion: Wenngleich die bisher d��nne, teils inkonsistente Studienlage keine manifesten Schlussfolgerungen zul��sst, unterstreichen die synthetisierten Ergebnisse, dass die Statuspassage Ruhestand mit diversen ern��hrungsbezogenen Ver��nderungen einhergeht und somit Potenzial f��r die Gesundheitsf��rderung bietet. In dieser Dissertation werden die Befunde u.a. mit Fokus auf die moderierende Rolle des sozialen Geschlechts sowie den Bedeutungswandel der sozialen und strukturieren Funktionen von Ern��hrungspraktiken im Ruhestand diskutiert. Zudem werden methodische Herausforderungen und Limitationen er��rtert. Implikationen: K��nftige ern��hrungsbezogene Ma��nahmen zur F��rderung gesunden Alterns sollten bereits vor dem ��bergang in den Ruhestand ansetzen und dabei individuelle Bedarfe innerhalb der heterogenen Zielgruppe der (Vor-)Ruhest��ndler*innen ebenso wie Risikofaktoren und vorhandene Barrieren ber��cksichtigen. Hierzu bedarf es weiterer interdisziplin��rer Forschung sowie einer effektiven Translation in die Praxis., Background & Objective: To what extent is the status passage from the occupational phase to retirement accompanied by changes in dietary practices and what potential does it bear for a health-promoting diet? This thesis addresses these questions by means of a systematic search and exploratory integration of the existing body of research. Gaining comprehensive knowledge and in-depth understanding of the biographical and lifeworld circumstances that shape everyday dietary practices is fundamental for an effective diet-related health promotion targeting older adults. In the scope of this dissertation, the research subject is further contextualized and theoretically-conceptually discussed from the perspectives of the sociology of health and the sociology of food. Moreover, the methodology of Systematic Mixed Studies Reviews is elaborated by a stepwise description of the review process. Methods: A Systematic Mixed Studies Review was conducted, the process of which comprised nine consecutive, partly iterative steps. A total of N=974 studies were identified, which were screened for eligibility based on a priori defined criteria. Five qualitative and five quantitative studies met the inclusion criteria. To integrate the study findings, a Qualitative Databased Synthesis Design was chosen and data were analyzed using Thematic Analysis. Results: Overall, the included primary studies were characterized by heterogeneous study and sample characteristics. The extent to which the diet changes during the retirement status passage proved to be ambivalent, since both health-promoting and unhealthier dietary practices were observed. As central influencing factors, female gender and partnership status showed to be associated with healthier diets. In addition, structural diet-related changes ��� such as more extensive mealtime routines at retirement ��� emerged. Discussion: The scarce, partially ambivalent body of evidence does not allow definite conclusions to be drawn. However, the results underscore that the status passage retirement is accompanied by diverse diet-related changes and may thus offer potential for the promotion of healthy aging. In this dissertation, the synthesized findings are discussed, among others, with a focus on the moderating role of gender and the changing meaning of the social and structuring functions of dietary practices that are relatedwith the status passage retirement. Furthermore, methodical challenges and limitations are addressed. Implications: Future measures to promote healthy diets in older age should be initiated prior to the transition to retirement and thereby consider the diverse individual needs within the heterogeneous target group of (pre-)retirees. Moreover, existing risk factors and barriers that impede healthy diets should be taken into account. This requires further interdisciplinary research and its effective translation into practice.