2008
Four-Factor Structure of Obsessive-Compulsive Disorder Symptoms in Children, Adolescents, and Adults
Stewart SE, Rosario MC, Baer L, Carter AS, Brown TA, Scharf JM, Illmann C, Leckman JF, Sukhodolsky D, Katsovich L, Rasmussen S, Goodman W, Delorme R, Leboyer M, Chabane N, Jenike MA, Geller DA, Pauls DL. Four-Factor Structure of Obsessive-Compulsive Disorder Symptoms in Children, Adolescents, and Adults. Journal Of The American Academy Of Child & Adolescent Psychiatry 2008, 47: 763-772. PMID: 18520961, DOI: 10.1097/chi.0b013e318172ef1e.Peer-Reviewed Original ResearchConceptsConfirmatory factor analysisAdult age groupsAge groupsAge group samplesAdult groupFour-factor solutionOngoing translational researchSymptom dimensionsPrevious confirmatory factor analysisObsessive-compulsive disorder symptomsMultiple-group confirmatory factor analysisCategory-based modelComparable model fitOCD symptom dimensions
2003
Influence of Age and Tic Disorders on Obsessive-Compulsive Disorder in a Pediatric Sample
Scahill L, Kano Y, King RA, Carlson A, Peller A, LeBrun U, do Rosario-Campos MC, Leckman JF. Influence of Age and Tic Disorders on Obsessive-Compulsive Disorder in a Pediatric Sample. Journal Of Child And Adolescent Psychopharmacology 2003, 13: 7-17. PMID: 12880496, DOI: 10.1089/104454603322126304.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderTic disordersAge of onsetAge groupsPediatric samplesAbsence of ticsHistory of ticsAdolescent age groupImpact of ageInfluence of agePresence of ticsMean ageFunctional statusOnly significant differenceSpecialty clinicSymptom profilesHeterogeneous disorderImportant subgroupSymptom typeDisordersCommon compulsionsAge categoriesCompulsive disorderAgeConvenient sample