Featured Publications
Preoccupation in bulimia nervosa, binge‐eating disorder, anorexia nervosa, and higher weight
Lydecker JA, Simpson L, Smith SR, White MA, Grilo CM. Preoccupation in bulimia nervosa, binge‐eating disorder, anorexia nervosa, and higher weight. International Journal Of Eating Disorders 2021, 55: 76-84. PMID: 34713460, PMCID: PMC8963447, DOI: 10.1002/eat.23630.Peer-Reviewed Original ResearchConceptsEating-disorder psychopathologyBinge-eating disorderShape/weightStudy groupBulimia nervosaAnorexia nervosaFood/eatingDisorder treatment outcomesEating-disorder featuresCognitive behavioral therapyHigher body weightFood/Treatment outcomesBody weightHW groupWeb-based surveyFormal diagnosisOvert behavioral featuresNervosaDepressionDisordersSignificant differencesWeight preoccupationPsychopathologyEatingI didn't want them to see: Secretive eating among adults with binge‐eating disorder
Lydecker JA, Grilo CM. I didn't want them to see: Secretive eating among adults with binge‐eating disorder. International Journal Of Eating Disorders 2019, 52: 153-158. PMID: 30623972, PMCID: PMC6368878, DOI: 10.1002/eat.23002.Peer-Reviewed Original ResearchConceptsBody mass indexBinge-eating disorderEating-disorder psychopathologyObjective binge-eating episodesSecretive eatingBinge-eating episodesGreater eating-disorder psychopathologyGreater body mass indexHigher depression scoresClinical characteristicsMass indexTreatment-seeking adultsDepression scoresPatientsShape/weightWeight concernsAdultsEatingSelf-report measuresDisordersShape concernsEpisodesGreater proportionPsychopathologyTreatment formulationDriven exercise in the absence of binge eating: Implications for purging disorder
Lydecker JA, Shea M, Grilo CM. Driven exercise in the absence of binge eating: Implications for purging disorder. International Journal Of Eating Disorders 2017, 51: 139-145. PMID: 29215743, PMCID: PMC5796839, DOI: 10.1002/eat.22811.Peer-Reviewed Original ResearchConceptsEating-disorder psychopathologyClinical significancePhysical activityCompensatory behaviorsBinge-eating episodesAbsence of bingeEating Disorder PsychopathologyLower depression levelsLow-frequency thresholdsWeb-based surveyDepression levelsSmall sample sizeHigher depressionOverall frequencyLaxativesTreatment researchMost domainsExerciseBingePsychopathologyDisordersDepressionParticipantsSimilar levelsFurther supportForm and Formulation: Examining the Distinctiveness of Body Image Constructs in Treatment-Seeking Patients With Binge-Eating Disorder
Lydecker JA, White MA, Grilo CM. Form and Formulation: Examining the Distinctiveness of Body Image Constructs in Treatment-Seeking Patients With Binge-Eating Disorder. Journal Of Consulting And Clinical Psychology 2017, 85: 1095-1103. PMID: 29083224, PMCID: PMC5679782, DOI: 10.1037/ccp0000258.Peer-Reviewed Original ResearchConceptsBody image variablesBody image disturbanceBody image constructsBinge-eating disorderImage constructImage variablesWeight/shape overvaluationBinge-eating frequencyInvestigator-based interviewBiopsychosocial featuresEating-disorder psychopathologyTreatment-seeking patientsShape preoccupationShape dissatisfactionShape overvaluationShape concernsCore aspectsCurrent studyTreatment formulationConstructsImportant distinctionDifferent aspectsOvervaluationPreoccupationDisordersChildren of parents with BED have more eating behavior disturbance than children of parents with obesity or healthy weight
Lydecker JA, Grilo CM. Children of parents with BED have more eating behavior disturbance than children of parents with obesity or healthy weight. International Journal Of Eating Disorders 2016, 50: 648-656. PMID: 27859458, PMCID: PMC5429220, DOI: 10.1002/eat.22648.Peer-Reviewed Original ResearchConceptsBinge-eating disorderChild weightChildren's bingeEating-disorder psychopathologyHigher child weightCross-sectional findingsChild overweightProspective confirmationChildren's eatingChild feedingChild overeatingDietary restrictionObesityClinical interventionsPrevention effortsEating Disorder BehaviorsDisordersBingePreliminary evidencePotential factorsEatingCurrent studyLimited literatureCore featuresOBCognitive‐behavioral therapy for binge‐eating disorder for non‐responders to initial acute treatments: Randomized controlled trial
Grilo C, Lydecker J, Gueorguieva R. Cognitive‐behavioral therapy for binge‐eating disorder for non‐responders to initial acute treatments: Randomized controlled trial. International Journal Of Eating Disorders 2023, 56: 1544-1553. PMID: 37144325, PMCID: PMC10524840, DOI: 10.1002/eat.23975.Peer-Reviewed Original ResearchConceptsInitial acute treatmentBinge-eating disorderCognitive behavioral therapyAcute treatmentBinge-eating frequencyInitial interventionTherapist-led cognitive behavioural therapyInitial pharmacological treatmentTreat remission ratesEvidence-based treatmentsSingle-site trialAcute efficacyRemission rateAdult patientsInitial treatmentPharmacological treatmentPatientsPosttreatment assessmentBehavioral treatmentSufficient benefitTherapyDisordersInterventionTreatmentPharmacotherapy
2024
Reliability of the original and brief versions of the Eating Disorder Examination in binge‐eating disorder
Lydecker J, Ivezaj V, Wiedemann A, Kerrigan S, Grilo C. Reliability of the original and brief versions of the Eating Disorder Examination in binge‐eating disorder. Obesity 2024, 32: 702-709. PMID: 38311600, PMCID: PMC10965370, DOI: 10.1002/oby.23993.Peer-Reviewed Original ResearchEating Disorder ExaminationEating Disorder Examination interviewEating-disorder psychopathologyBinge-eating disorderInternal consistencyDoctoral-levelIndicators of loss of controlInterrater reliabilityLoss of controlBinge eatingBinge-eating episodesPsychological treatmentPsychometric propertiesPsychometric studyTests of reliabilityBehavioral indicatorsAssessed adultsClinical researchPsychopathologyEatingRatersDisordersAudio-recordedAdultsPatient group
2023
The Relationship of Self-identified Weight Status With Perceived Mental and Physical Health
Hamilton A, Smith S, Lydecker J. The Relationship of Self-identified Weight Status With Perceived Mental and Physical Health. Journal Of Psychiatric Practice 2023, 29: 430-438. PMID: 37948168, PMCID: PMC10653675, DOI: 10.1097/pra.0000000000000744.Peer-Reviewed Original ResearchConceptsOW/OBBinge-eating disorderDisorder psychopathologyPhysical healthMental healthStudy groupBulimia nervosaOW/OB groupBN groupOverweight/obesityFuture clinical researchOB groupWeight statusObesityClinical researchBED groupOverweightDepressionHealthPsychopathologyDisordersGroupOBLow levelsAnalysis of varianceNaltrexone/bupropion for binge‐eating disorder: A randomized, double‐blind, placebo‐controlled trial
Grilo C, Lydecker J, Jastreboff A, Pittman B, McKee S. Naltrexone/bupropion for binge‐eating disorder: A randomized, double‐blind, placebo‐controlled trial. Obesity 2023, 31: 2762-2773. PMID: 37751990, PMCID: PMC10600891, DOI: 10.1002/oby.23898.Peer-Reviewed Original ResearchConceptsNaltrexone/bupropionBinge-eating disorderObesity statusLogistic regressionWeight lossPlacebo-controlled trialWeight loss outcomesPrevalent psychiatric disordersEvidence-based treatmentsPost-treatment assessmentBinge-eating frequencyGreater percentage weight lossMedication outcomesRemission ratePharmacological optionsPlaceboBupropionPsychiatric disordersPercentage weight lossMixed modelsDisordersObesityPatientsSignificant reductionWeight reductionLoss of control in binge‐eating disorder: Fear and resignation
Perelman H, Gilbert K, Grilo C, Lydecker J. Loss of control in binge‐eating disorder: Fear and resignation. International Journal Of Eating Disorders 2023, 56: 1199-1206. PMID: 36920120, PMCID: PMC10247475, DOI: 10.1002/eat.23929.Peer-Reviewed Original ResearchConceptsBinge-eating disorderCognitive-affective experiencesLoss of controlModerate treatment outcomeBinge-eating episodesEating-disorder psychopathologyTreatment-seeking patientsFuture researchAbsence of fearGreater distressPsychopathologyFearSevere psychopathologyResearch cliniciansSemistructured interviewsTreatment formulationPast monthDisordersResignationTreatment outcomesExperienceBlack individualsEmotionsTreatment planningIndividuals
2021
Double trouble? Associations of parental substance use and eating behaviors with pediatric disordered eating
Boswell RG, Lydecker JA. Double trouble? Associations of parental substance use and eating behaviors with pediatric disordered eating. Addictive Behaviors 2021, 123: 107089. PMID: 34450350, PMCID: PMC8506907, DOI: 10.1016/j.addbeh.2021.107089.Peer-Reviewed Original ResearchConceptsCo-occurring substance useEating-disorder psychopathologySubstance use disordersParental substance useSubstance useUse disordersChild's ageSeverity of psychopathologyOnline cross-sectional surveyCross-sectional surveyEating-related psychopathologyParental SUDEating Disorder PsychopathologyEating-related problemsChild weightDisorder behaviorsDepression scoresGreater severityDouble troublePersonal substance useTreatment effortsEating Disorder BehaviorsDisordersParent psychopathologyParents' age
2019
Associations between physical activity and eating‐disorder psychopathology among individuals categorised with binge‐eating disorder and bulimia nervosa
Kerrigan SG, Lydecker JA, Grilo CM. Associations between physical activity and eating‐disorder psychopathology among individuals categorised with binge‐eating disorder and bulimia nervosa. International Journal Of Clinical Practice 2019, 73: e13401. PMID: 31397950, PMCID: PMC7112656, DOI: 10.1111/ijcp.13401.Peer-Reviewed Original ResearchConceptsBinge-eating disorderCompensatory physical activityPhysical activityEating-disorder psychopathologyBinge-eating episodesBulimia nervosaShape/weightEating-disorder featuresEating Disorder PsychopathologyHealth behaviorsCore featuresPhysical healthPotential roleDisordersGreater frequencyPsychopathologyAssociationNervosaPresent studyLower overvaluationEpisodesIndividualsMechanical TurkLower dissatisfactionOnline recruitment platformsToward an understanding of the distinctiveness of body-image constructs in persons categorized with overweight/obesity, bulimia nervosa, and binge-eating disorder
Grilo CM, Ivezaj V, Lydecker JA, White MA. Toward an understanding of the distinctiveness of body-image constructs in persons categorized with overweight/obesity, bulimia nervosa, and binge-eating disorder. Journal Of Psychosomatic Research 2019, 126: 109757. PMID: 31522010, PMCID: PMC6842703, DOI: 10.1016/j.jpsychores.2019.109757.Peer-Reviewed Original ResearchConceptsBinge-eating disorderOverweight/obesityStudy groupBulimia nervosaClinical measuresWeight/shapeWeight disordersEating-disorder psychopathologyBody image disturbanceStrength of associationClinical manifestationsObesityWeight gainCommunity volunteersDisordersBody image constructsNervosaDepressionTreatment formulationGroup
2018
Household food insecurity is associated with binge‐eating disorder and obesity
Rasmusson G, Lydecker JA, Coffino JA, White MA, Grilo CM. Household food insecurity is associated with binge‐eating disorder and obesity. International Journal Of Eating Disorders 2018, 52: 28-35. PMID: 30565270, PMCID: PMC6584603, DOI: 10.1002/eat.22990.Peer-Reviewed Original ResearchBinge-eating disorderLow food securityHealthy weightPhysical health problemsHierarchical logistic regressionExcess weightFood insecurityStudy groupHousehold food insecurityObesityPsychiatric treatmentHealth problemsOverall associationBinge eatingPreventative interventionsLogistic regressionReference groupLow-income AmericansOvereatingDisordersAssociationSurvey respondentsGroupBingeComparing men and women with binge‐eating disorder and co‐morbid obesity
Lydecker JA, Grilo CM. Comparing men and women with binge‐eating disorder and co‐morbid obesity. International Journal Of Eating Disorders 2018, 51: 411-417. PMID: 29493793, PMCID: PMC5980708, DOI: 10.1002/eat.22847.Peer-Reviewed Original ResearchConceptsBody mass indexBinge-eating disorderEating-disorder psychopathologyBinge-eating episodesBinge-eating behaviorClinical presentationResearch cliniciansHigher body mass indexCo-morbid obesityDSM-IV disordersStructured Clinical InterviewEating Disorder Examination interviewAge of onsetBinge-eating frequencyRace/ethnicityMass indexBED diagnosisClinical InterviewYounger ageObesityExamination interviewWomenMenAgeDisorders
2017
Rumination in Patients with Binge‐Eating Disorder and Obesity: Associations with Eating‐Disorder Psychopathology and Weight‐bias Internalization
Wang SB, Lydecker JA, Grilo CM. Rumination in Patients with Binge‐Eating Disorder and Obesity: Associations with Eating‐Disorder Psychopathology and Weight‐bias Internalization. European Eating Disorders Review 2017, 25: 98-103. PMID: 28078784, PMCID: PMC5318238, DOI: 10.1002/erv.2499.Peer-Reviewed Original ResearchConceptsShape/weightWeight bias internalizationEating-disorder psychopathologyBinge-eating disorderCognitive processesGreater eating-disorder psychopathologyImportant cognitive processesOvervaluation of shapeGreater weight bias internalizationHierarchical multiple regressionTreatment-seeking patientsGreater ruminationRuminationDiscrimination experiencesPhysical healthPsychopathologyNegative attitudesMultiple regressionOvervaluationObesity treatmentComorbid obesityAttitudesDisordersExperienceFindings
2016
Preferred descriptions for loss of control while eating and weight among patients with binge eating disorder
Roberto CA, Galbraith K, Lydecker JA, Ivezaj V, Barnes RD, White MA, Grilo CM. Preferred descriptions for loss of control while eating and weight among patients with binge eating disorder. Psychiatry Research 2016, 246: 548-553. PMID: 27821368, PMCID: PMC5161684, DOI: 10.1016/j.psychres.2016.09.045.Peer-Reviewed Original Research
2011
Association between co-twin sex and eating disorders in opposite sex twin pairs: Evaluations in North American, Norwegian, and Swedish samples
Lydecker JA, Pisetsky EM, Mitchell KS, Thornton LM, Kendler KS, Reichborn-Kjennerud T, Lichtenstein P, Bulik CM, Mazzeo SE. Association between co-twin sex and eating disorders in opposite sex twin pairs: Evaluations in North American, Norwegian, and Swedish samples. Journal Of Psychosomatic Research 2011, 72: 73-77. PMID: 22200526, PMCID: PMC3246617, DOI: 10.1016/j.jpsychores.2011.05.014.Peer-Reviewed Original ResearchConceptsSex hormonesPopulation-based twin sampleSex twin pairsPrenatal hormone exposurePrenatal exposureOpposite-sex twin pairsHormone exposurePrenatal sex hormonesDiagnostic criteriaSwedish sampleBulimia nervosaDisorder diagnosisHormone hypothesisDisordersTwin risksFemale twinsMonozygotic twinsSexTwin pairsDisorder symptomatologyHormoneRiskExposureTwin sampleNorwegian sample