David Friesen

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BACKGROUND Injury is the leading cause of death among Canadian children between 1 and 19 years, and accounts for one sixth of all hospitalizations of children between 0 and 19 years. We examined the causes of injury in Manitoba children, and the relationship between injury rates and region of residence, premature mortality rate (PMR), and income. METHODS(More)
OBJECTIVES The Manitoba Centre for Health Policy and Evaluation (MCHPE) collaborated with a provincially-appointed Physician Resource Committee in an assessment of provincial physician resources. RESEARCH DESIGN Beginning with map-based analyses of physician supply and contacts across the province, compared with the health and socioeconomic(More)
OBJECTIVE To compare physician and hospital utilization rates by children across subregions of Manitoba. METHODS 1998/99 data for physician visits and hospitalizations for children aged 0 to 19 were extracted from the Population Health Research Data Repository. Rates of utilization were compared across 12 regions (RHAs) within Manitoba, and 12 community(More)
Population-based rates of hospitalization for acute pyelonephritis were estimated over 3 years with use of provincial administrative data on health care. Retrospective review of records of ICD9-CM discharge codes of pyelonephritis and urinary infection was performed in two acute care institutions to validate the discharge diagnosis; 80% of patients with a(More)
OBJECTIVES University-based researchers in Manitoba, Canada, have used administrative data routinely collected as part of the national health insurance plan to design an integrated database and population-based health information system. This information system is proving useful to policymakers for answering such questions as: Which populations need more(More)
BACKGROUND As part of a recent project focused on needs-based planning for generalist physicians, the authors documented the variety of practice styles of primary care physicians for managing patients with hypertension. They investigated the validity of various explanations for these different styles and the relative contributions of physician and patient(More)
University-based researchers in Manitoba, Canada, have used administrative data routinely collected as part of the national health insurance plan to design an integrated database and population-based health information system. This information system is proving useful to policymakers for providing answers to such questions as: which populations need more(More)
OBJECTIVE This paper describes the population-based analyses of measures of child health status used throughout this supplement. METHODS The articles in this supplement examine health-related data for children 0 to 19 years. Most analyses cover the period from April 1, 1994 to March 31, 1999. Administrative and survey data were used to assess child health(More)
This study explored the relationship of cognitively induced anxiety and hand temperature reduction in a nonclinical sample. Forty college students were randomly assigned to either the Anxiety Group or the Pleasant Group. Following a baseline period, individuals in the Anxiety Group discussed with the experimenter topics which were anxiety-producing for(More)
OBJECTIVES The Manitoba Centre for Health Policy and Evaluation worked in support of a provincial Physician Resource Committee to address questions pertinent to assessing Manitoba's supply of specialist physicians. RESEARCH DESIGN Because there was no direct method of determining whether the province's supply of specialists was adequate, three types of(More)