Published in BMC Med Res Methodol on June 11, 2012
Measuring psychotic depression. Acta Psychiatr Scand (2013) 1.52
A novel nonparametric item response theory approach to measuring socioeconomic position: a comparison using household expenditure data from a Vietnam health survey, 2003. Emerg Themes Epidemiol (2014) 0.83
Development of two Barthel Index-based Supplementary Scales for patients with stroke. PLoS One (2014) 0.82
Validation of the food access survey tool to assess household food insecurity in rural Bangladesh. BMC Public Health (2015) 0.79
Defining disability: development and validation of a mobility-Disability Severity Index (mDSI) in Charcot-Marie-tooth disease. J Neurol Neurosurg Psychiatry (2014) 0.78
Development and validation of the Italian version of the Mobile Application Rating Scale and its generalisability to apps targeting primary prevention. BMC Med Inform Decis Mak (2016) 0.77
The Patient Assessment of Chronic Illness Care produces measurements along a single dimension: results from a Mokken analysis. Health Qual Life Outcomes (2017) 0.75
Construct validity of the Depression and Somatic Symptoms Scale: evaluation by Mokken scale analysis. Neuropsychiatr Dis Treat (2017) 0.75
Study protocol-investigation of the Delirium Observation Screening Scale (DOSS) for the routine detection of delirium in the care home setting: a prospective cohort study. BMJ Open (2016) 0.75
The Techniques for Overcoming Depression Questionnaire: Mokken Scale Analysis, Reliability, and Concurrent Validity in Depressed Cardiac Patients. Cognit Ther Res (2016) 0.75
Does the Order of Item Difficulty of the Addenbrooke's Cognitive Examination Add Anything to Subdomain Scores in the Clinical Assessment of Dementia? Dement Geriatr Cogn Dis Extra (2015) 0.75
Psychometric evaluation of the Oswestry Disability Index in patients with chronic low back pain: factor and Mokken analyses. Health Qual Life Outcomes (2017) 0.75
Creature of Habit: A self-report measure of habitual routines and automatic tendencies in everyday life. Pers Individ Dif (2017) 0.75
Cohort profile: 1958 British birth cohort (National Child Development Study). Int J Epidemiol (2005) 10.88
The Warwick-Edinburgh Mental Well-being Scale (WEMWBS): development and UK validation. Health Qual Life Outcomes (2007) 5.24
Internal construct validity of the Warwick-Edinburgh Mental Well-being Scale (WEMWBS): a Rasch analysis using data from the Scottish Health Education Population Survey. Health Qual Life Outcomes (2009) 2.02
A hierarchy of distress: Mokken scaling of the GHQ-30. Psychol Med (2008) 1.53
Nonparametric IRT analysis of Quality-of-Life Scales and its application to the World Health Organization Quality-of-Life Scale (WHOQOL-Bref). Qual Life Res (2008) 1.35
A survey of theory and methods of invariant item ordering. Br J Math Stat Psychol (1996) 1.14
The clinical effect of clomipramine in chronic idiopathic pain disorder revisited using the Spielberger State Anxiety Symptom Scale (SSASS) as outcome scale. J Affect Disord (2009) 1.05
Cannabis use and risk of psychotic or affective mental health outcomes: a systematic review. Lancet (2007) 11.27
Oligodendrocyte dysfunction in schizophrenia and bipolar disorder. Lancet (2003) 4.84
Obstetric complications and schizophrenia: historical and meta-analytic review. Am J Psychiatry (2002) 4.03
Why psychiatry can't afford to be neurophobic. Br J Psychiatry (2009) 3.80
Heterogeneity in incidence rates of schizophrenia and other psychotic syndromes: findings from the 3-center AeSOP study. Arch Gen Psychiatry (2006) 3.35
Incidence of schizophrenia and other psychoses in ethnic minority groups: results from the MRC AESOP Study. Psychol Med (2006) 2.79
Randomized controlled trial of effect of prescription of clozapine versus other second-generation antipsychotic drugs in resistant schizophrenia. Schizophr Bull (2006) 2.71
Early detection and intervention evaluation for people at risk of psychosis: multisite randomised controlled trial. BMJ (2012) 2.70
Outcomes of conduct problems in adolescence: 40 year follow-up of national cohort. BMJ (2009) 2.47
Extrapyramidal motor side-effects of first- and second-generation antipsychotic drugs. Br J Psychiatry (2012) 2.41
Disease-relevant autoantibodies in first episode schizophrenia. J Neurol (2010) 2.33
Incidence of schizophrenia and other psychoses in England, 1950-2009: a systematic review and meta-analyses. PLoS One (2012) 2.33
Cannabis and schizophrenia: model projections of the impact of the rise in cannabis use on historical and future trends in schizophrenia in England and Wales. Addiction (2007) 2.20
Psychotic experiences and psychotic disorders at age 18 in relation to psychotic experiences at age 12 in a longitudinal population-based cohort study. Am J Psychiatry (2013) 2.17
Schizophrenia in the offspring of antenatally depressed mothers in the northern Finland 1966 birth cohort: relationship to family history of psychosis. Am J Psychiatry (2009) 2.11
A quantitative meta-analysis of population-based studies of premorbid intelligence and schizophrenia. Schizophr Res (2011) 2.09
Cross-national clinical and functional remission rates: Worldwide Schizophrenia Outpatient Health Outcomes (W-SOHO) study. Br J Psychiatry (2011) 2.06
Raised incidence rates of all psychoses among migrant groups: findings from the East London first episode psychosis study. Arch Gen Psychiatry (2008) 1.96
Reliability and comparability of psychosis patients' retrospective reports of childhood abuse. Schizophr Bull (2009) 1.94
The Short Mood and Feelings Questionnaire (SMFQ): a unidimensional item response theory and categorical data factor analysis of self-report ratings from a community sample of 7-through 11-year-old children. J Abnorm Child Psychol (2006) 1.85
Increased pituitary volume in antipsychotic-free and antipsychotic-treated patients of the AEsop first-onset psychosis study. Neuropsychopharmacology (2005) 1.76
Self-harm in first-episode psychosis. Br J Psychiatry (2008) 1.72
Substance use in a population-based clinic sample of people with first-episode psychosis. Br J Psychiatry (2007) 1.71
Infant developmental milestones and subsequent cognitive function. Ann Neurol (2007) 1.69
Developmental typology of trajectories to nighttime bladder control: epidemiologic application of longitudinal latent class analysis. Am J Epidemiol (2003) 1.65
The number of CAG repeats within the normal allele does not influence the age of onset in Huntington's disease. Mov Disord (2010) 1.61
Starting dose is a risk factor for allopurinol hypersensitivity syndrome: a proposed safe starting dose of allopurinol. Arthritis Rheum (2012) 1.54
Childhood cognitive ability and adult mental health in the British 1946 birth cohort. Soc Sci Med (2007) 1.54
Forty-year psychiatric outcomes following assessment for internalizing disorder in adolescence. Am J Psychiatry (2007) 1.54
Effects of cannabis use on outcomes of psychotic disorders: systematic review. Br J Psychiatry (2008) 1.53
A longitudinal typology of symptoms of depression and anxiety over the life course. Biol Psychiatry (2007) 1.47
Childhood infection and adult schizophrenia: a meta-analysis of population-based studies. Schizophr Res (2012) 1.46
Gender differences in incidence and age at onset of mania and bipolar disorder over a 35-year period in Camberwell, England. Am J Psychiatry (2005) 1.42
Cannabis use and outcome of recent onset psychosis. Eur Psychiatry (2005) 1.42
Recovery from schizophrenic psychoses within the northern Finland 1966 Birth Cohort. J Clin Psychiatry (2005) 1.42
Neighbourhood-level effects on psychoses: re-examining the role of context. Psychol Med (2007) 1.38
Cohort profile: risk patterns and processes for psychopathology emerging during adolescence: the ROOTS project. Int J Epidemiol (2009) 1.37
Lithium in drinking water and suicide rates across the East of England. Br J Psychiatry (2011) 1.36
Psychometric evaluation and predictive validity of Ryff's psychological well-being items in a UK birth cohort sample of women. Health Qual Life Outcomes (2006) 1.36
The structural brain correlates of neurological soft signs in AESOP first-episode psychoses study. Brain (2003) 1.35
Different effects of typical and atypical antipsychotics on grey matter in first episode psychosis: the AESOP study. Neuropsychopharmacology (2005) 1.32
Association of variation in Fcgamma receptor 3B gene copy number with rheumatoid arthritis in Caucasian samples. Ann Rheum Dis (2010) 1.31
Gender differences in the association between childhood abuse and psychosis. Br J Psychiatry (2009) 1.30
Functional dysconnectivity of corticostriatal circuitry as a risk phenotype for psychosis. JAMA Psychiatry (2013) 1.25
Gene expression analysis in schizophrenia: reproducible up-regulation of several members of the apolipoprotein L family located in a high-susceptibility locus for schizophrenia on chromosome 22. Proc Natl Acad Sci U S A (2002) 1.22
Gender-specific effects of the catechol-O-methyltransferase Val108/158Met polymorphism on cognitive function in children. Am J Psychiatry (2007) 1.20
Specific and generalized neuropsychological deficits: a comparison of patients with various first-episode psychosis presentations. Am J Psychiatry (2009) 1.20
Social deprivation, inequality, and the neighborhood-level incidence of psychotic syndromes in East London. Schizophr Bull (2012) 1.17
Reasons for the diagnostic discordance between clinicians and researchers in schizophrenia in the Northern Finland 1966 Birth Cohort. Soc Psychiatry Psychiatr Epidemiol (2003) 1.16
Profiles of family-focused adverse experiences through childhood and early adolescence: the ROOTS project a community investigation of adolescent mental health. BMC Psychiatry (2011) 1.15
Predictors of schizophrenia--a review. Br Med Bull (2005) 1.15
Visuospatial learning and executive function are independently impaired in first-episode psychosis. Psychol Med (2005) 1.08
Fronto-cerebellar systems are associated with infant motor and adult executive functions in healthy adults but not in schizophrenia. Proc Natl Acad Sci U S A (2006) 1.08
The renal urate transporter SLC17A1 locus: confirmation of association with gout. Arthritis Res Ther (2012) 1.08
Gray matter abnormalities associated with duration of untreated psychosis. Schizophr Res (2006) 1.07
Elevated morning cortisol is a stratified population-level biomarker for major depression in boys only with high depressive symptoms. Proc Natl Acad Sci U S A (2014) 1.07
Prevalence of depression in older people in England and Wales: the MRC CFA Study. Psychol Med (2007) 1.06
Acute and transient psychotic disorders: precursors, epidemiology, course and outcome. Br J Psychiatry (2004) 1.06
Classifying patients by antipsychotic adherence patterns using latent class analysis: characteristics of nonadherent groups in the California Medicaid (Medi-Cal) program. Value Health (2008) 1.06
Effects of catechol-O-methyltransferase on normal variation in the cognitive function of children. Am J Psychiatry (2009) 1.05
The persistence of developmental markers in childhood and adolescence and risk for schizophrenic psychoses in adult life. A 34-year follow-up of the Northern Finland 1966 birth cohort. Schizophr Res (2004) 1.05
The prevention of schizophrenia--what can we learn from eco-epidemiology? Schizophr Bull (2010) 1.02
Incentive motivation in first-episode psychosis: a behavioural study. BMC Psychiatry (2008) 1.01
The acceptability of routine inquiry about domestic violence towards women: a survey in three healthcare settings. Br J Gen Pract (2006) 1.01
The structural brain correlates of neurological soft signs in healthy individuals. Cereb Cortex (2005) 1.00
Neighbourhood variation in the incidence of psychotic disorders in Southeast London. Soc Psychiatry Psychiatr Epidemiol (2007) 1.00
Improvements in social functioning reported by a birth cohort in mid-adult life: A person-centred analysis of GHQ-28 social dysfunction items using latent class analysis. Pers Individ Dif (2007) 1.00
Intrinsic curvature: a marker of millimeter-scale tangential cortico-cortical connectivity? Int J Neural Syst (2011) 1.00
Morphometric brain abnormalities in schizophrenia in a population-based sample: relationship to duration of illness. Schizophr Bull (2008) 0.99
Expressed emotion: relevance to rehospitalization in schizophrenia over 7 years. Schizophr Bull (2005) 0.99
Association of cannabis use with prodromal symptoms of psychosis in adolescence. Br J Psychiatry (2008) 0.99
Cohort profile: mental health following extreme trauma in a northern Ugandan cohort of War-Affected Youth Study (The WAYS Study). Springerplus (2013) 0.97
The skinny on cocaine: insights into eating behavior and body weight in cocaine-dependent men. Appetite (2013) 0.96
Circulating mediators of bone remodeling in psoriatic arthritis: implications for disordered osteoclastogenesis and bone erosion. Arthritis Res Ther (2010) 0.95
Early detection and intervention evaluation for people at high-risk of psychosis-2 (EDIE-2): trial rationale, design and baseline characteristics. Early Interv Psychiatry (2011) 0.95
Early risk factors for suicide in an epidemiological first episode psychosis cohort. Schizophr Res (2010) 0.94
A population-level prediction tool for the incidence of first-episode psychosis: translational epidemiology based on cross-sectional data. BMJ Open (2013) 0.93
Increased risk of schizophrenia from additive interaction between infant motor developmental delay and obstetric complications: evidence from a population-based longitudinal study. Am J Psychiatry (2011) 0.93
Neurological abnormalities and cognitive ability in first-episode psychosis. Br J Psychiatry (2008) 0.92
Psychotic symptoms in young people without psychotic illness: mechanisms and meaning. Br J Psychiatry (2012) 0.92
Incidence of bipolar affective disorder in three UK cities: results from the AESOP study. Br J Psychiatry (2005) 0.92
Hippocampus and amygdala volumes in schizophrenia and other psychoses in the Northern Finland 1966 birth cohort. Schizophr Res (2004) 0.91
Ethnic identity, perceptions of disadvantage, and psychosis: findings from the ÆSOP study. Schizophr Res (2010) 0.91
Comparative effectiveness of cognitive therapies delivered face-to-face or over the telephone: an observational study using propensity methods. PLoS One (2012) 0.91
Familial expressed emotion: outcome and course of Israeli patients with schizophrenia. Schizophr Bull (2002) 0.91
The subjective and cognitive effects of acute phenylalanine and tyrosine depletion in patients recovered from depression. Neuropsychopharmacology (2005) 0.90
Reassessing the long-term risk of suicide after a first episode of psychosis. Arch Gen Psychiatry (2010) 0.90
Duration of untreated psychosis and neuropsychological function in first episode psychosis. Schizophr Res (2007) 0.90
Duration of prodromal phase and severity of volumetric abnormalities in first-episode psychosis. Br J Psychiatry Suppl (2007) 0.90
Association of the lipoprotein receptor-related protein 2 gene with gout and non-additive interaction with alcohol consumption. Arthritis Res Ther (2013) 0.89
Comparing growth trajectories of risk behaviors from late adolescence through young adulthood: an accelerated design. Dev Psychol (2012) 0.89
Fear of falling has greater influence than other aspects of gait disorders on quality of life in patients with Parkinson's disease. Neuro Endocrinol Lett (2009) 0.89
Psychiatric morbidity, functioning and quality of life in young people at clinical high risk for psychosis. Schizophr Res (2013) 0.89