Confirmatory factor analysis and psychometric properties of the Norwegian version of the Repetitive Eating Questionnaire: Further evidence for two distinct subtypes of grazing behaviour

Reas, Deborah L.; Dahlgren, Camilla Lindvall; Wonderlich, Joseph; Syversen, Gro; Kvalem, Ingela Lundin

doi:10.1002/erv.2631

Cited by 18 publications

(19 citation statements)

References 21 publications

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“…Higher scores indicate a higher frequency of repetitive eating. Norwegian translation has shown excellent psychometric properties and a two-factor model which confirmed the original solution (Reas, Lindvall Dahlgren, Wonderlich, Syversen, & Lundin Kvalem, 2019). The Cronbach's a for the total scale score at baseline and 1 year were 0.93 and 0.91, respectively.…”

Section: Grazingmentioning

confidence: 54%

Preoperative inhibitory control predicts weight loss 1 year after bariatric surgery

Walø-Syversen

Kvalem

Kristinsson

et al. 2020

Euro Eating Disorders Rev

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Objective Executive function (EF) and, in particular, inhibitory control have been associated with weight loss (WL) in behavioural WL treatment for obesity. Few studies have focused on the relationship between preoperative inhibitory control and post‐operative WL following bariatric surgery, and the potential mediating role of maladaptive eating behaviours is unclear. The aim of this study was to investigate preoperative executive function as a predictor of WL at 1 year following bariatric surgery. Additionally, we aimed to explore the mediating role of postoperative compulsive grazing in the relationship between inhibitory control and WL. Method A prospective observational study in which participants completed neuropsychological testing 30 days before and 1 year following surgery (n = 61/80; 76% follow‐up). Participants were 80% female, with an average age of 41 years. Approximately 54% underwent gastric bypass, 26% gastric sleeve and 20% had one anastomosis gastric bypass. Regression analyses were employed to examine the relationship between preoperative EF and percentage total weight loss (%TWL), and structural equation modelling was used to examine compulsive grazing as a mediator. Results After adjusting for control variables, preoperative inhibitory control explained 8% of the variance in %TWL (p ≤ 0.05). Preoperative working memory was not significantly associated with %TWL. Postoperative compulsive grazing was significantly associated with %TWL (p ≤ 0.05), but did not mediate the association between preoperative inhibitory control and %TWL. Conclusion The results suggest that preoperative inhibitory control performance is a relevant predictor of postoperative WL and that compulsive grazing is a maladaptive eating behaviour that warrants clinical attention after surgery.

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Section: Grazingmentioning

confidence: 54%

Preoperative inhibitory control predicts weight loss 1 year after bariatric surgery

Walø-Syversen

Kvalem

Kristinsson

et al. 2020

Euro Eating Disorders Rev

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“…Grazing was at baseline assessed with the Repetitive Eating Questionnaire (REP-Q) ( 109 ) using the Norwegian version of the Repetitive Eating Questionnaire ( 110 ). The measurement is an indicator of presence or absence of compulsive and repetitive eating (eating in a distracted or mindless way).…”

Section: Methodsmentioning

confidence: 99%

A Group Intervention for Individuals With Obesity and Comorbid Binge Eating Disorder: Results From a Feasibility Study

et al. 2021

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PurposeA common challenge among a subgroup of individuals with obesity is binge eating, that exists on a continuum from mild binge eating episodes to severe binge eating disorder (BED). BED is common among bariatric patients and the prevalence of disordered eating and ED in bariatric surgery populations is well known. Conventional treatments and assessment of obesity seldom address the underlying psychological mechanisms of binge eating and subsequent obesity. This study, titled PnP (People need People) is a psychoeducational group pilot intervention for individuals with BED and obesity including patients with previous bariatric surgery. Design, feasibility, and a broad description of the study population is reported.Material and MethodsA total of 42 patients were from an obesity clinic referred to assessment and treatment with PnP in a psychoeducational group setting (3-hour weekly meetings for 10 weeks). Of these, 6 (14.3%) patients had a previous history of bariatric surgery. Feasibility was assessed by tracking attendance, potentially adverse effects and outcome measures including body mass index (BMI), eating disorder pathology, overvaluation of shape and weight, impairment, self-reported childhood difficulties, alexithymia, internalized shame as well as health related quality of life (HRQoL).ResultsAll 42 patients completed the intervention, with no adverse effects and a high attendance rate with a median attendance of 10 sessions, 95% CI (8.9,9.6) and 0% attrition. Extent of psychosocial impairment due to eating disorder pathology, body dissatisfaction and severity of ED symptoms were high among the patients at baseline. Additionally, self-reported childhood difficulties, alexithymia, and internalized shame were high among the patients and indicate a need to address underlying psychological mechanisms in individuals with BED and comorbid obesity. Improvement of HRQoL and reduction of binge eating between baseline and the end of the intervention was observed with a medium effectConclusionThis feasibility study supports PnP as a potential group psychoeducational intervention for patients living with BED and comorbid obesity. Assessments of BED and delivery of this intervention may optimize selection of candidates and bariatric outcomes. These preliminary results warrant further investigation via a randomized control trial (RCT) to examine the efficacy and effectiveness of PnP.

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“…In addition, the BMI was calculated (weight/height²). BMI (kg/m²) was categorized as follows: Underweight (<18,5), normal weight (18,(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)9), overweight (25)(26)(27)(28)(29)9), and obesity (≥30) 28 .…”

Section: Sociodemographic and Anthropometric Informationmentioning

confidence: 99%

“…In community settings, grazing has been positively correlated with Body Mass Index (BMI), psychological distress, and ED symptomatology (e.g. cognitive restraint, weight, shape, and eating concerns) 7,8 . However, individuals with LOC grazing exhibited higher levels of ED pathology than those with non-compuls ive grazing 7 .…”

Section: Introductionmentioning

confidence: 99%

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Validation of the Brazilian version of the Short Inventory of Grazing (SIG)

Moraes¹,

Heriseanu²,

Mourilhe³

et al. 2024

Trends Psychiatry Psychother

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Background: Grazing is a disturbed eating pattern that has been associated with eating disorders and obesity. One of the new measures to investigate this eating behavior is the Short Inventory of Grazing (SIG), a two-item questionnaire that assesses grazing in general and grazing associated with the feeling of loss of control over eating (LOC grazing). However, the psychometric properties of SIG have not been assessed in the Brazilian population.Objective: The present study aimed to cross-culturally adapt and validate the Brazilia n version of SIG.Methods: SIG was adapted to the Brazilian context following international guidelines.Then, 90 undergraduate students completed an online survey including questions from the SIG, the Binge Eating Scale (BES), the Patient Health Questionnaire-9 (PHQ9), the Generalized Anxiety Disorder-7 (GAD7), and questions related to self-reported health status. The internal consistency, test-retest reliability, and the convergent validity of the questionnaire were assessed. Results:The prevalence of at least one weekly episode of grazing in general and LOC grazing was 71.1% and 54.5%, respectively. The internal consistence of the SIG was acceptable (0.81). In addition, SIG scores on both items were positively and significa ntly associated with BES, GAD7, and PHQ9 scores, and with poorer self-rated health.However, SIG scores on the test and retest differed significantly. Conclusion:Overall, the Brazilian version of SIG demonstrated adequate psychometr ic properties. The instrument had an adequate internal consistency, with both items exhibiting good convergent validity with related measures.

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Confirmatory factor analysis and psychometric properties of the Norwegian version of the Repetitive Eating Questionnaire: Further evidence for two distinct subtypes of grazing behaviour

Abstract: This study confirmed the proposed factor structure of the Rep(eat)-Q in a community sample, offering additional support to the conceptual distinction between compulsive (marked by loss of control) and repetitive (noncompulsive) subtypes of grazing behaviour.

Cited by 18 publications

References 21 publications

Preoperative inhibitory control predicts weight loss 1 year after bariatric surgery

Preoperative inhibitory control predicts weight loss 1 year after bariatric surgery

A Group Intervention for Individuals With Obesity and Comorbid Binge Eating Disorder: Results From a Feasibility Study

Validation of the Brazilian version of the Short Inventory of Grazing (SIG)

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