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Trends in Obesity and Overweight-Related Office Visits and Drug Prescriptions in Canada, 1998 to 2004
Article first published online: 6 SEP 2012
2005 North American Association for the Study of Obesity (NAASO)
Volume 13, Issue 11, pages 1905–1908, November 2005
How to Cite
Padwal, R. S. (2005), Trends in Obesity and Overweight-Related Office Visits and Drug Prescriptions in Canada, 1998 to 2004. Obesity Research, 13: 1905–1908. doi: 10.1038/oby.2005.234
- Issue published online: 6 SEP 2012
- Article first published online: 6 SEP 2012
- Received for review January 26, 2005; Accepted in final form August 19, 2005
- antiobesity agents;
Objective: Obesity and overweight are affecting increasing numbers of Canadians and have received considerable amounts of medical, governmental, and media attention in recent years. This study sought to determine whether this rise in prevalence and awareness has resulted in an increased frequency of obesity and overweight-related office visits or antiobesity drug prescriptions over the past 5 years.
Research Methods and Procedures: Data from IMS Health Canada were used to derive nationally representative estimates of trends in the annual number of obesity and overweight-related office visits (1999 to 2003) and the quarterly prescription volume of antiobesity drugs (July 1998 to March 2003) in Canada.
Results: The number of obesity and overweight-related office visits increased by 20% between 1999 and 2000 but then remained constant. The number of antiobesity drug prescriptions peaked in 2001 and has since declined, with parallel trends being observed for all individual agents. In contrast, the overall frequency of office visits and drug prescriptions in Canada (for any reason) progressively increased over the study period. Middle-aged women were the most common type of patient to seek physician advice regarding obesity, and general practitioners were the most common type of physician visited.
Discussion: Increases in the prevalence and awareness of obesity have not resulted in major increases in office visits or drug prescriptions for this condition over the past 5 years. A number of patient, physician, and drug-related factors may explain these results, which are likely a reflection primarily of the current lack of effective weight loss strategies for obese individuals.