Heather Jean Dean

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A researcher-administered survey study was performed involving 769 horses from 32 Thoroughbred, Standardbred, and pleasure horse stables in southwestern Ontario. Data were gathered on individuals (breed, age, and sex) and at the stable level (housing, management). The effects of these factors on cribbing, stall-walking, weaving, stall-kicking, tongue(More)
OBJECTIVE To examine the effect of an exercise and dietary intervention during pregnancy on excessive gestational weight gain (EGWG), dietary habit and physical activity in pregnant women. DESIGN Randomised controlled trial. SETTING Community-based study. POPULATION Nondiabetic urban-living pregnant women (<26 weeks of gestation). METHODS(More)
OBJECTIVE To determine in Canadian children aged <18 years the 1) incidence of type 2 diabetes, medication-induced diabetes, and monogenic diabetes; 2) clinical features of type 2 diabetes; and 3) coexisting morbidity associated with type 2 diabetes at diagnosis. RESEARCH DESIGN AND METHODS This Canadian prospective national surveillance study involved a(More)
OBJECTIVES To determine the prevalence of obesity and investigate its association with fasting glucose and insulin among children and adolescents in a population at high risk for type 2 diabetes. DESIGN A cross-sectional screening survey involving anthropometry and fasting serum levels of glucose and insulin. SETTING A remote aboriginal (Ojibwa-Cree)(More)
Prevalence of NIDDM-Y in children in many First Nations communities in Manitoba and northwestern Ontario is now severalfold greater than the prevalence of IDDM in the general pediatric population. Rates vary among First Nations communities in Canada owing to inconsistent screening programs and different genetic risk. The number of undiagnosed, asymptomatic(More)
OBJECTIVE To estimate the incidence and prevalence of diabetes among adults in Manitoba, Canada, from 1986 to 1991. RESEARCH DESIGN AND METHODS A population-based database of individuals diagnosed with diabetes (Manitoba Diabetes Database) was created using data from Manitoba Health's comprehensive insurance system. Using this database, estimates of the(More)
BACKGROUND Type 2 diabetes mellitus is increasingly being observed among children and youth, including the Native population of Canada. Only one study has investigated prenatal and early infancy risk factors for the disease. METHODS A case-control study was conducted; 46 patients younger than 18 years were recruited from the only clinical center for the(More)
The purpose of this study was to examine the association between cardiorespiratory fitness, ectopic triglyceride accumulation, and insulin sensitivity among youth with and without type 2 diabetes. Subjects included 137 youth ages 13-18 years including 27 with type 2 diabetes, 97 overweight normoglycemic controls, and 13 healthy weight normoglycemic(More)
OBJECTIVE To test the hypothesis that hepatic steatosis is associated with risk factors for type 2 diabetes in overweight and obese youth, mediated by cardiorespiratory fitness. RESEARCH DESIGN AND METHODS This was a cross-sectional study comparing insulin sensitivity between 30 overweight and obese adolescents with hepatic steatosis, 68 overweight and(More)