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OBJECTIVE To document the prevalence of expressive language delay in relation to age and gender in 12- to 39-month-old children. To document the characteristics, particularly social competence and emotional/behavioral problems, related to deficits in expressive language. METHOD Parents of an age- and sex-stratified random sample of children born at Yale(More)
OBJECTIVE To examine the proposed disruptive mood dysregulation disorder (DMDD) diagnosis in a child psychiatric outpatient population. Evaluation of DMDD included 4 domains: clinical phenomenology, delimitation from other diagnoses, longitudinal stability, and association with parental psychiatric disorders. METHOD Data were obtained from 706 children(More)
Implementation science is a quickly growing discipline. Lessons learned from business and medical settings are being applied but it is unclear how well they translate to settings with different historical origins and customs (e.g., public mental health, social service, alcohol/drug sectors). The purpose of this paper is to propose a multi-level, four phase(More)
OBJECTIVE To examine the persistence of parent-reported social-emotional and behavioral problems in infants and toddlers. METHOD The sample comprised 1,082 children ascertained from birth records. Children were 12 to 40 months old in year 1 (1998-1999) and 23 to 48 months old in year 2 (1999-2000). Eighty percent participated in year 1 and 91% were(More)
OBJECTIVE To examine the characteristics associated with barriers to children's mental health services, focusing on the effect of children's psychosocial problems on parents. METHOD Data come from a first-grade, prevention-intervention project conducted in Baltimore, Maryland. Analyses were restricted to 116 families who participated in seventh-grade(More)
OBJECTIVE The aims of this paper are as follows: to present past-year prevalence data for DSM-IV disorders in the early elementary school years; to examine the impact of impairment criteria on prevalence estimates; to examine the relation of sociodemographic and psychosocial risk factors to disorders; and to explore associations between "internalizing" and(More)
OBJECTIVE The combined contribution of neonatal, perinatal, and maternal health, demographic, environmental, and family psychosocial factors to early onset asthma and wheezing in a healthy birth cohort was examined. METHODS Participants included 1,158 ethnically and socioeconomically diverse parents of 2- and 3-year olds who completed mailed(More)
This paper describes the application of mixed method designs in implementation research in 22 mental health services research studies published in peer-reviewed journals over the last 5 years. Our analyses revealed 7 different structural arrangements of qualitative and quantitative methods, 5 different functions of mixed methods, and 3 different ways of(More)
Since the mid 1990s, early-onset bipolar spectrum disorders (BPSDs) have received increased attention in both the popular press and scholarly press. Rates of diagnosis of BPSD in children and adolescents have increased in inpatient, outpatient, and primary care settings. BPSDs remain difficult to diagnose, particularly in youth. The current diagnostic(More)
Purposeful sampling is widely used in qualitative research for the identification and selection of information-rich cases related to the phenomenon of interest. Although there are several different purposeful sampling strategies, criterion sampling appears to be used most commonly in implementation research. However, combining sampling strategies may be(More)