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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Does Dietary Behavior Mediate the Association Between Hedonic Hunger and BMI in Overweight/Obese Adolescents?

Kaur, Kirandeep 01 July 2018 (has links)
Heightened reward associated with palatable food, a construct referred to as hedonic reward, can promote excessive energy intake among adults. However, no known studies have examined the influence of hedonic reward on adolescents' eating behavior and weight status. The present study examined whether there was an association between hedonic hunger and weight status in overweight/obese adolescents and whether dietary behavior (caloric consumption) mediated this association. Baseline measures of body mass index, hedonic food reward, and dietary intake were collected from one hundred overweight and obese adolescents. Data were analyzed using mixture modeling. Mediation at varying levels of hedonic hunger was explored and three heterogeneous sub-classes were identified. Results indicated that for 65% participants there was a positive association between hedonic hunger and zBMI such that one unit of increase in hedonic hunger was associated with a 0.35 unit increase in zBMI. However, no conclusive evidence of caloric intake mediating the association between hedonic hunger and weight-status was found. Overall, our results suggest that exaggerated hedonic responses are associated with higher body mass in adolescents. These results provide a compelling argument that hedonic hunger can potentially override the homeostatic need for energy and may be associated with weight-gain.
2

Psychologische Merkmale jugendlicher Patienten vor einer Gewichtsreduktionsbehandlung

Breinker, Julius L., Schmidt, Ricarda, Hübner, Claudia, Cämmerer, Jana, Körner, Antje, Sergeyev, Elena, Kiess, Wieland, Hilbert, Anja 07 October 2021 (has links)
Übergewicht und Adipositas zeigen bei Kindern und Jugendlichen eine hohe Prävalenz und Persistenz. Entsprechende Therapien sind kaum individualisiert und zeigen nur moderate Erfolge. Die Psychopathologie bleibt zumeist unberücksichtigt. Die vorliegende Studie hat die Psychopathologie von Jugendlichen mit Übergewicht und Adipositas (N = 201, Alter 12 – 17 Jahre) vor einer Gewichtsreduktionsbehandlung erhoben und Alters- sowie Geschlechtseffekte untersucht. Mittels Fragebögen wurden selbstberichtet die allgemeine Symptombelastung, Essstörungs- und allgemeine Psychopathologie, gewichtsbezogene Selbststigmatisierung und die körperliche und psychische Lebensqualität erhoben. Mädchen zeigten hypothesenkonform ein höheres Maß an gewichtsbezogener Selbststigmatisierung und eine stärkere Essstörungspsychopathologie als Jungen. Ältere Jugendliche berichteten eine geringere Lebensqualität als jüngere. Vergleiche zu Referenzgruppen aus Bevölkerungs- und Normierungsstichproben zeigten auffälligere Werte bei Jugendlichen mit Übergewicht und Adipositas für alle untersuchten Parameter. Eine auffällige Psychopathologie ist demzufolge ein wichtiges Korrelat bei Jugendlichen mit hohem Gewichtsstatus und ein potenzieller Einflussfaktor auf den Erfolg einer Gewichtsreduktionsbehandlung. Zukünftige Studien sollten die Psychopathologie bei Übergewicht und Adipositas weiter differenzieren und therapeutische Ressourcen evaluieren. / Overweight and obesity in children and adolescents are highly prevalent and persistent. Current weight loss treatments are rarely individualized and show only small to moderate efficacy. Only rarely, psychopathological parameters are considered. The present study evaluated the psychopathology of adolescents with overweight and obesity (N = 201, ages 12 – 17 years) prior to obesity treatment. The data were analyzed for age and sex effects. Self-report questionnaires assessed general symptom burden, eating disorder and general psychopathology, weight-related self-stigmatization, and physical and mental quality of life. Girls showed higher rates of weight-related self-stigmatization and higher disordered eating behavior compared to boys. Older adolescents reported a lower quality of life compared to younger adolescents. In normative comparisons with population-based samples and norms, adolescents with overweight and obesity showed significantly adverse outcomes in all parameters. Thus, this study identified psychopathology as an important factor in adolescents with high weight status that may affect obesity treatment. Future studies should examine psychopathology more differentially and determine therapeutic resources in adolescent overweight and obesity.

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