DP Schopflocher

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STUDY DESIGN Cohort study with 6-years follow-up. OBJECTIVE To describe the utilization of health services by persons with spinal cord injury (SCI) and compare it with that of the general population. SETTING Alberta, Canada. METHODS All persons who sustained an SCI in Alberta between April 1992 and March 1994 were followed from date of injury to 6(More)
BACKGROUND Agricultural work continues to be a dangerous occupation. Older farmers experience high risks for work-related injury. The purpose of this research was to determine if there is a relationship between medication use and injury among older male farmers in Alberta. METHODS Using probabilistic linkage between an Alberta Agriculture government(More)
BACKGROUND When gambling opportunities are made available to the public in a given jurisdiction, some individuals participate occasionally and others more frequently. Among frequent gamblers, some individuals develop problematic involvement and some do not. This study addresses the association among demographic and social risk factors, frequency of gambling(More)
BACKGROUND The risk of stroke is elevated in the first 48 hours after TIA. Previous prognostic models suggest that diabetes mellitus, age, and clinical symptomatology predict stroke. The authors evaluated the magnitude of risk of stroke and predictors of stroke after TIA in an entire population over time. METHODS Administrative data from four different(More)
This study examined the impact of infant and maternal factors on preterm delivery and low birthweight (LBW) in Alberta between January 1, 1994 and December 31, 1996. Data on 113,994 births were collected from vital statistics registration birth data. Logistic regression models for preterm and LBW delivery suggested the key risk factors were multiple and(More)
BACKGROUND Healthcare providers can transmit influenza and influenza-like illness (ILI) to patients and vice versa. However, the magnitude of this problem in the healthcare system as a whole is unknown. Using population-based administrative health data, we tested the hypothesis of a temporal association of ILI diagnosis among clinicians and their patients.(More)
BACKGROUND The prevalence of mental disorders is often assessed using survey techniques. Although providing good estimates of prevalence, these techniques are time-consuming and expensive. OBJECTIVE To estimate the prevalence of mental disorders among children aged 0 to 17 years living in Alberta, Canada, using health care administrative data. DESIGN(More)
VOLUME 89, NO. 3 Infant mortality is a frequently used measure of population health status. Because of concern that Canada’s infant mortality rate (IMR) was rising, Joseph and Kramer examined trends in Canada’s IMR and the effect of registering extremely low birthweight (under 500 grams) infants as live births. A live birth is defined as any infant who,(More)
We examined the geographic variability of information generated from different case definitions of childhood asthma derived from administrative health data used in Alberta, Canada. Our objective was to determine if analyses based on different case ascertainment algorithms identify geographic clusters in the same region of the study area. Our study group was(More)
OBJECTIVE Exploring for evidence of socio-economic health disparities in chickenpox and shingles in Alberta, Canada. METHODS Chickenpox and shingles cases were identified from administrative data from Alberta's universal health care insurance system for 1994-2002. Incident cases were those with the earliest dated utilization of a health service(More)