Objective: The concept of food addiction has recently been proposed by applying the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision, criteria for substance dependence to eating behaviour. Food addiction has received increased attention given that it may play a role in binge eating, eating disorders, and the recent increase in obesity prevalence. Currently, there is no psychometrically sound tool for assessing food addiction in French. Our study aimed to test the psychometric properties of a French version of the Yale Food Addiction Scale (YFAS) by establishing its factor structure and construct validity in a nonclinical population.Method: A total of 553 participants were assessed for food addiction (French version of the YFAS) and binge eating behaviour (Bulimic Investigatory Test Edinburgh and Binge Eating Scale). We tested the scale's factor structure (factor analysis for dichotomous data based on tetrachoric correlation coefficients), internal consistency, and construct validity with measures of binge eating.
Results:Our results supported a 1-factor structure, which accounted for 54.1% of the variance. This tool had adequate reliability and high construct validity with measures of binge eating in this population, both in its diagnosis and symptom count version. A 2-factor structure explained an additional 9.1% of the variance, and could differentiate between patients with high, compared with low, levels of insight regarding addiction symptoms.
Conclusions:In our study, we validated a psychometrically sound French version of the YFAS, both in its symptom count and diagnostic version. Future studies should validate this tool in clinical samples.
W W WValidation de la version française de l'échelle de dépendance alimentaire de Yale : un examen de sa structure factorielle, de sa fiabilité, et de la validité du construct dans un échantillon non clinique Objectif : La dépendance alimentaire est un concept qui a été récemment proposé en appliquant au comportement alimentaire les critères de dépendance à une substance du Manuel diagnostique et statistique des troubles mentaux, 4e édition, révisé. La dépendance
Objective: The Yale Food Addiction Scale (YFAS) is the only questionnaire that assesses food addiction (FA) based on substance dependence criteria in the Diagnostic and Statistical Manual of Mental Disorders (DSM), Fourth Edition, Text Revision. Following recent updating of addiction criteria, a new DSM-5 version (YFAS 2.0) has been developed. Our study tested the psychometric properties of the French YFAS 2.0 in a nonclinical population.
Method:We assessed 330 nonclinical participants for FA (French YFAS 2.0), eating behaviour, and eating disorder (Binge Eating Scale, Emotional Overeating Questionnaire, Three-Factor Eating Questionnaire-R18, Questionnaire on Eating and Weight Patterns-Revised, Eating Disorder Diagnostic Scale). We tested the scale's factor structure (confirmatory factor analysis based on 11 diagnostic criteria), internal consistency, and construct and incremental validity.Results: Prevalence of FA was 8.2%. Our results supported a 1-factor structure similar to the US version. In both its diagnostic and symptom count versions, the YFAS 2.0 had good internal consistency (Kuder-Richardson alpha was 0.83) and was associated with body mass index (BMI), binge eating, uncontrolled and emotional eating, binge eating disorder, and cognitive restraint. FA predicted BMI above and beyond binge eating frequency. Females had a higher prevalence of FA than males but not more FA symptoms.
Conclusions:We validated a psychometrically sound French version of the YFAS 2.0 in a nonclinical population, in both its symptom count and diagnostic versions. Future studies should investigate psychometric properties of this questionnaire in clinical populations potentially at risk for FA (that is, patients with obesity, diabetes, hypertension, or other metabolic syndrome risk factors).
Abré géObjectif : L'échelle d'addiction à l'alimentation de Yale (YFAS) est le seul questionnaire qui évalue l'addiction à l'alimentation (AA) selon les critères de dépendance aux substances du Manuel diagnostique et statistique des troubles mentaux (DSM), 4 e édition,
Owing to their agonist action on dopaminergic systems, cannabinoids may play a major role in substance dependency and schizophrenia. We examined the (AAT)n triplet repeat polymorphism nearby the CNR1 gene, which encodes human cannabinoid (CB1) receptor, in a male Afro-Caribbean population. The allelic and genotypic distributions were significantly different in non-schizophrenic cocaine dependents (n ¼ 97), schizophrenic cocaine dependents (n ¼ 45) and matched controls (n ¼ 88) (Po10 À4 ). The frequency of the (AAT)12 repeat allele was increased in non-schizophrenic cocaine dependents and schizophrenic cocaine dependents vs controls (25.3 and 26.7 vs 5.7%) (Po10 À4 ). Our results support that the (AAT)n polymorphism nearby the CNR1 gene could be associated with predisposition to cocaine dependency.
Systematic screening for and treatment of FA symptoms before obesity surgery is critical because FA symptoms are prevalent and associated with poorer psychosocial outcome.
-Tournois, Noël Huten, et al.. High preoperative depression, phobic anxiety, and binge eating scores and low medium-term weight loss in sleeve gastrectomy obese patients: a preliminary cohort study.: Psychiatric factors and weight loss in obesity surgery. Psychosomatics, Elsevier, 2012, 53 (4), pp.363-70. 10.1016/j.psym.2011 High preoperative depression, phobic anxiety, and binge eating scores and low mediumterm weight loss in sleeve gastrectomy obese patients: A preliminary cohort study
The conflicting results reported by genetic studies with the variants of the genes coding for the dopaminergic system in cocaine addicts could be partially explained by the difficulties to constitute homogenous sample of patients. Childhood attention-deficit/hyperactivity disorder (ADHD), and/or impulsivity are frequently associated with cocaine addiction and could participate in the heterogeneity of the samples in cocaine addicts. Accordingly, it is hypothesized that cocaine addiction would be associated with the variants of the genes coding for the dopamine system in an homogenized sample of cocaine addicts, especially in individuals with childhood ADHD comorbidity, or with a high impulsivity score. The potential association of the variants TaqI A of the DRD2, BalI of the DRD3, exon III repeat of the DRD4, and 3' UTR VNTR of the DAT was examined in African-Caribbean males, smoked-cocaine dependents. All the subjects were assessed with the Diagnostic Interview of Genetic Studies, the Barratt's impulsivity scale, and the Wender Utah rating scale for childhood ADHD. A positive association was found with the DRD2 and DRD4 polymorphisms in the subgroups of patients with childhood ADHD, or with a high impulsivity score, which represented, respectively, 53.3 and 73.0% of the patients. Conversely, no positive association was found for any of the polymorphisms studied when the group of patients was examined as a whole. Therefore, our results suggest that the clinical dimensions of childhood ADHD and of impulsivity could be taken into account to homogenize the samples of patients in cocaine association studies.
In this study, we validated a psychometrically sound French version of the Binge Eating Scale, both in a non-clinical and a clinical sample. The psychometric properties of the French version of the BES are comparable to its original version with a one-factor structure. The BES is a useful tool to assess binge eating disorder in obese patients (e.g., bariatric surgery candidates), but might not differentiate between binge eating disorder and bulimia nervosa in underweight and optimal weight subjects.
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