Obesity, lifestyle risk-factors, and health service outcomes among healthy middle-aged adults in Canada.
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ABSTRACT: The extent to which uncomplicated obesity among an otherwise healthy middle-aged population is associated with higher longitudinal health-care expenditures remains unclear.To examine the incremental long-term health service expenditures and outcomes associated with uncomplicated obesity, 9398 participants of the 1994-1996 National Population Health Survey were linked to administrative data and followed longitudinally forward for 11.5?years to track health service utilization costs and death. Patients with pre-existing heart disease, those who were 65?years of age and older, and those with self-reported body mass indexes of <18.5?kg/m² at inception were excluded. Propensity-matching was used to compare obesity (+/- other baseline risk-factors and lifestyle behaviours) with normal-weight healthy controls. Cost-analyses were conducted from the perspective of Ontario's publicly-funded health care system.Obesity as an isolated risk-factor was not associated with significantly higher health-care costs as compared with normal weight matched controls (Canadian $8,294.67 vs. Canadian $7,323.59, P?=?0.27). However, obesity in combination with other lifestyle factors was associated with significantly higher cumulative expenditures as compared with normal-weight healthy matched controls (CAD$14,186.81 for those with obesity?+?3 additional risk-factors vs. CAD$7,029.87 for those with normal BMI and no other risk-factors, P?
SUBMITTER: Alter DA
PROVIDER: S-EPMC3439326 | biostudies-other | 2012 Aug
REPOSITORIES: biostudies-other
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