Bariatric Surgery Patients Face Postoperative Food Noise Linked to Weight Self-Stigma
Adults who felt more shame about their weight reported intrusive, distressing thoughts about food about a year after bariatric surgery, even when their scale weight remained stable. Researchers found that this psychological phenomenon, commonly known as food noise, affected nearly half of the participants in a cross-sectional study published in the journal Obesity.
While previous research into food noise has primarily focused on GLP-1 drugs, this new study examines the symptom following metabolic bariatric surgery. The findings highlight how internal psychological burdens persist independently of physical weight loss after operations like gastric bypass or sleeve gastrectomy.
Evaluating Weight Self-Stigma and Food Noise After Gastric Bypass and Sleeve Gastrectomy
Dale S. Bond of the Digestive Health Institute at Hartford HealthCare in Hartford, Connecticut, led the research team in analyzing baseline data from a larger clinical trial. The study included 60 adults with a mean age of 44.7 years, of whom 86.7% were women. These participants had undergone either gastric bypass or sleeve gastrectomy a mean of 13.3 months prior to the assessment, and their post-surgery weight was within 10% of their lowest postoperative weight.
Investigators used separate validated self-report questionnaires to measure weight self-stigma and food noise. A total score of 36 or higher on the weight self-stigma scale indicated clinically significant levels, while a score of 10 or higher on the food noise questionnaire designated above-average experiences of intrusive thoughts about food.
Self-Devaluation Drives Intrusive Thoughts While Fear of External Judgment Fades
The study revealed that 58.3% of the participants—35 out of 60 individuals—exhibited clinically significant weight self-stigma. Furthermore, 45.0% of the cohort, totaling 27 patients, experienced above-average food noise.
Statistical analysis demonstrated a significant positive correlation between total weight self-stigma scores and higher food noise scores, yielding a $P$ value of .001. When researchers broke the stigma measure down into specific domains, greater self-devaluation—defined as feeling inferior or ashamed because of one’s weight—showed a significant association with higher food noise at a $P$ value of .021. Conversely, fear of enacted stigma, which involves worrying about being judged by other people, did not display a statistically significant link to food noise.
Clinical Implications for Metabolic Bariatric Surgery Practice
Because weight self-stigma and food noise may undermine healthy behaviors, weight loss and maintenance, and health gains following metabolic bariatric surgery, the study authors recommended routine clinical screening. They noted that adjunctive interventions to mitigate these specific psychological risks may be appropriate in clinical MBS practice.
The investigation faced certain limitations. Because the study was cross-sectional, researchers could not determine whether greater weight self-stigma directly caused increased food noise or if the reverse relationship occurred, nor could they establish whether the association developed before or after weight stabilization. Additionally, the reliance on single questionnaires for each measure means other validated tools might have captured different facets of stigma and food noise. Participants were also drawn from a clinical trial designed specifically to boost physical activity after surgery, which suggests they may not fully represent the broader population of bariatric patients.
The research was supported by the National Institute of Diabetes and Digestive and Kidney Diseases. Various companies provided grant funding and consulting fees to multiple study authors who also acted as research consultants or consultants.
Frequently Asked Questions About Post-Surgery Food Noise
What specific questionnaires did researchers use to measure these psychological factors?
Investigators measured weight self-stigma using a validated self-report questionnaire divided into self-devaluation and fear of enacted stigma domains. Food noise was evaluated using a separate validated self-report questionnaire designed to track intrusive and distressing thoughts about food.
How much time had passed since surgery for the participants in the study?
Participants had undergone gastric bypass or sleeve gastrectomy a mean of 13.3 months prior to data collection. At the time of the analysis, their body weight was confirmed to be within 10% of their lowest postoperative weight.
What financial support and potential conflicts of interest were disclosed?
The study received financial support from the National Institute of Diabetes and Digestive and Kidney Diseases. Various firms provided grant money and consulting compensation to multiple investigators who also functioned as research consultants or consultants.
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