Janet Lavelle

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This study examined the lifetime prevalence of trauma exposure and posttraumatic stress disorder (PTSD) and their demographic, diagnostic, and trauma-related correlates in a clinical cohort of 426 patients with a first psychiatric admission for psychosis. The prevalence of trauma exposure was 68.5%. Female gender and substance abuse were risk factors for(More)
OBJECTIVES To examine how lifestyle, hormonal, and other factors influence the sensitivity and specificity of mammography. METHODS Women recruited into the Million Women Study completed a questionnaire about various personal factors before routine mammographic screening. A sample of 122,355 women aged 50-64 years were followed for outcome of screening and(More)
BACKGROUND Little is known about the factors influencing the risk of recall for assessment, invasive diagnostic procedures, and early rescreening after screening mammography. METHODS From June 1996 to March 1998 women attending screening at 10 National Health Service Breast Screening Programme (NHSBSP) centres completed a self administered questionnaire(More)
This study compares the effects of atypical and conventional antipsychotic medications on treatment continuation and outcomes in a first admission sample of patients with schizophrenia treated in usual practice settings. In a sample of 189 participants with a research diagnosis of DSM-IV schizophrenia drawn from the Suffolk County Mental Health Project, we(More)
OBJECTIVE This study examined the patterns and predictors of medication use and 24-month course/outcome in first-admission patients with bipolar disorder (BD) with psychotic features. METHOD An epidemiologic sample of 155 first-admission patients with research diagnoses of BD with psychotic features received intensive clinical assessments at baseline, 6-(More)
The authors examined gaps in the use of antipsychotic medications during the one-year period after discharge in an epidemiological sample of 189 first-admission patients with schizophrenia between July 1989 and January 1996. Sixty-three percent of the patients had one or more such gaps, and 51 percent had gaps of 30 days or longer, with an average total(More)
OBJECTIVE The purpose of the study was to examine the inpatient and outpatient service use and 4-year outcomes of newly admitted psychotic patients during a period of rapid change in the provision of psychiatric services in a well-defined catchment area in New York State in the 1990s. METHOD Subjects were 573 participants of the Suffolk County Mental(More)
Current and recent users of hormone replacement therapy (HRT) have an increased risk of being recalled to assessment at mammography without breast cancer being diagnosed ('false positive recall'), but there is limited information on the effects of different patterns of HRT use on this. The aim of this study is to investigate in detail the relationship(More)
From June 1996 to March 1998, 87 967 postmenopausal women aged 50-64 invited to routine breast cancer screening at 10 NHS breast screening programme centres joined the million women study, by completing a self administered questionnaire before screening, and were followed up through records from screening centres for their screening outcome. Overall, a(More)
BACKGROUND It is now well documented that both black and white patients with severe mental illness are likely to use different types of treatment facilities, have different lengths of hospital stays, and receive different types and dosages of psychotropic medications. It is still uncertain, however, whether these differences exist at the early stages of(More)