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- MakaleAçık Erişim2026Scopus SJRQ2The Effect of a Psychiatric Nurse–Led AI-Based Online Group Guided Self-Help Program on Eating Behaviours and Body Image among Overweight and Obese Women Nurses: A Randomized Controlled Trial
Tuncer, Gülsüm Zekiye; Duman, Zekiye Çetinkaya; Tuncer, Metin
Aim: This study aimed to evaluate the effectiveness of a psychiatric nurse–led, AI-supported online group guided self-help programme on eating behaviours, body image, and body mass index (BMI) among overweight and obese women nurses. Method: A randomised controlled experimental design with pre-test, post-test, and three-month follow-up assessments was employed. Forty-four overweight and obese women nurses were randomly assigned to intervention (n = 22) and control (n = 22) groups. The intervention consisted of an 8-week online group guided self-help programme supported by a large language model (LLM), under the leadership of a psychiatric nurse. Participants did not interact directly with the LLM; all AI-generated feedback was clinically reviewed and delivered by the researcher. Results: The intervention group demonstrated significant reductions in emotional eating and external eating, along with significant improvements in body image scores and adaptive coping strategies. A significant decrease in BMI was also observed from baseline to three-month follow-up. Between-group comparisons at post-test and follow-up indicated statistically significant differences favouring the intervention for eating behaviours and selected body image–related outcomes, whereas between-group differences in BMI were not statistically significant. Conclusion: A multi-component online group guided self-help intervention incorporating structured AI-assisted feedback under psychiatric nurse leadership may represent a promising approach to improving eating behaviours, body image, and weight-related outcomes among overweight and obese women nurses.
- MakaleYalnız künye2026Scopus SJRQ2Food reward sensitivity mediates the association between chemosensory pleasure and adiposity in young adults
Kurtbeyoglu, Emine; Caferoglu Akin, Zeynep; Aslan Gonul, Busra
This cross-sectional study investigated whether food reward sensitivity mediates the association between chemosensory pleasure and adiposity in young adults. A total of 300 university students completed the Chemosensory Pleasure Scale (CPS), the Power of Food Scale (PFS), and the Beck Depression Inventory (BDI), alongside anthropometric assessments. Chemosensory pleasure was strongly and positively associated with food reward sensitivity (β = 0.620, p < .001), and this relationship remained robust after adjustment for age, sex, BMI, and depressive symptoms. While chemosensory pleasure showed only weak direct associations with adiposity indicators, food reward sensitivity was positively associated with body fat percentage. Mediation analyses demonstrated a significant indirect effect of chemosensory pleasure on body fat percentage through food reward sensitivity (indirect effect = 0.105; 95% CI: 0.039–0.179), indicating an indirect-only pathway. Although sex-stratified analyses suggested some pattern differences, moderated mediation analyses did not support a significant moderating role of sex. These findings suggest that chemosensory pleasure may be related to adiposity primarily when accompanied by increased food reward sensitivity. The results highlight food reward sensitivity as a potential psychological mechanism linking sensory responsiveness to adiposity.
