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Institut für Ernährungsmedizin

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Browsing Institut für Ernährungsmedizin by Person "Depa, Julia"

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    Ernährung von sozial benachteiligten Menschen am Beispiel von Tafelkunden : Betrachtung des Ernährungs- und Gesundheitsverhaltens, der Verbreitung von Ernährungsarmut und des Obst- und Gemüsekonsums
    (2018) Depa, Julia; Ströbele-Benschop, Nanette
    In industrialized countries the distribution of mortality of morbidity follows a social gradient. Hence, among people with a lower socioeconomic status (SES) the nutritional quality is poor and low fruit and vegetable consumption occur more frequently compared to people with a higher SES. A particularly vulnerable group are socially disadvantaged people such as food bank users. Food insecurity (FI) is also more common in this population group. Food banks exist worldwide and distribute donated groceries (e.g. from food retailers) to socially disadvantaged people. In Germany, 1.5 million users are supported by over 900 food banks providing mainly fresh fruits and vegetables (FV). In Germany, little is known about the diet of food bank users. The following research questions were developed for this thesis: 1. Are there differences in health and nutrition status among people using food banks in different types of cities and can differences in these variables be found when comparing food bank users with the as low SES defined German population (chapter 2, first publication)? 2. How widespread is FI among food bank users and which socio-demographic, food bank-related and health variables are associated with FI (chapter 3, second publication)? 3. Are there differences in FV intake between male food bank users and male eligible non-food bank users and can FV intake among this study population be increased by an intervention providing weekly free and personally selected FV (14 portions/ per week) for four weeks (chapter 4, third publication)? For the publications of this thesis data of food bank users regarding socio-demographic, health- and nutrition-related variables were collected in different cities. The questions were taken from the questionnaire of the national study DEGS (German Health Interview and Examination Survey for Adults) and GEDA (German Health Update) and from the FIES (Food Insecurity and Experience Scale). Additionally, questionnaires were adapted to the study population. In all publications cross-sectional study designs were used. Except in the third publication for the second part of the research questions an intervention study using a longitudinal design was conducted. The first publication shows that food bank users from the three examined cities (Berlin n=94, Ludwigsburg n=64, Fulda n=114) are not a homogenous group. Food bank users assess their self-rated health mostly worse than people from the low SES German population (proportion self-rated health as moderate, bad or very bad: men 67.4% vs. 43.5%, women 68.8% vs. 36.7%). Additionally, they consume less fruit daily (proportion of daily fruit consumption: men 39.8% vs. 43.5%, women 56.2% vs. 62.4%). The second publication reveals with 70.2% a high rate of FI among food bank users (Stuttgart n=510, Karlsruhe n=186, Berlin n=337). Especially age (r τ = -0.224, p<0.000) and smoking (V=0.219, p<0.000) are strongly associated with FI. The third publication clarifies that male food banks users (n=24) from Stuttgart did not differ in consumed FV amount (2.2 portions/day vs. 1.8 portions/day) and variety (17 types/month vs. 14.4 types/month) compared to non-food bank users (n=28). Besides, the weekly provision of free fruit and vegetables for four weeks (14 portions/ month) increases the consumed fruit and vegetable amount (difference-IG 1.1 portions/day vs. difference-CG -0.2 portions/day) and variety (difference-IG 2.6 types/month vs. difference-CG -1.2 types/month) among the intervention group (n=25) compared to the control group (n=27). It is important to note the high amount of smokers among food bank users both in the first (46.9%) and the third publication (66.7%). The reported results correspond to research from abroad. Results of the publications are limited by unbalanced standardization and representation procedures (first and second publication) and the cross-sectional design (first and second publication and first research question of the third publication). It can be concluded that food banks are a suitable option to target socially disadvantaged people and to explore their nutrition and health behavior as well as a suitable option to provide intervention opportunities. The extent of health inequality is probably underestimated. FI is widespread among food bank users and smoking as poverty factor among food bank users should be further examined. The free provision of fruit and vegetables seems to be an appropriate possibility to increase the consumption and variety of fruit and vegetables among socially disadvantaged people.