"Is Your City AO-K?" Report Card Grades Hamiltonians



    - Residents still have much to learn about the health risks associated
    with abdominal obesity -

    Hamilton, ON, June 12 /CNW/ - Are Hamiltonians "AO-K"? A new Hamilton
report card released today by the Canadian Obesity Network reveals that
residents are barely making the grade when it comes to making the link between
abdominal obesity - excess fat around the midsection - and the increased risk
for heart disease and diabetes. Only 21 and 26 per cent respectively ranked
"excess fat around the midsection" as a risk factor for developing these
diseases. The report card was based on surveys conducted in six cities across
the country - including Vancouver, Edmonton, Calgary, Ottawa and Montréal. In
total, close to 5,000 Canadians were polled to assess their awareness,
attitudes and behaviours in relation to weight issues and abdominal obesity.
    Although the Hamilton report card notes that residents generally
recognize obesity as a health risk, close to half of those polled are still
unaware that the location of fat on the body makes a difference. Of the
804 people polled, 46 per cent stated that fat around the hips/buttocks and
fat around the midsection pose an equal health risk for developing heart
disease or diabetes. On the flip side, 54 per cent correctly stated that
abdominal fat poses a greater risk to health than fat around the hips and
buttocks. Research has shown it is abdominal fat, most easily assessed by
measuring waist circumference, that can significantly increase an individual's
risk of chronic disease, including cardiovascular disease and diabetes.
    When Hamilton respondents were asked to identify "at-risk" waist sizes,
only 20 per cent cited 102 cm as the waist size above which a man would be at
greater risk of developing cardiovascular disease and diabetes, and only six
per cent cited 88 cm as the cut-off point for women. While these cut-offs have
been used in recent years by physicians and researchers to measure their
patients' risk, the recently-published Canadian guidelines on obesity proposed
even lower cut-off points, based on the recommendations of the International
Diabetes Federation (IDF). The IDF cut-offs, which take ethnicity into
account, generally recommend 94 cm for men and 80 cm for women.
    "The confusion around these numbers tells us that a lot of education
still needs to be done," says Dr. Arya Sharma, Scientific Director, Canadian
Obesity Network, and Canada Research Chair for Cardiovascular Obesity Research
and Management, McMaster University. "What is also disconcerting about the
report card is that most Hamilton residents are underestimating their personal
risk of developing heart disease and diabetes."
    While respondents tend to recognize the health risks generally associated
with being overweight, few acknowledge that the risks apply to them
personally. When asked about the level of risk that overweight people have for
developing heart disease, 87 per cent of overweight respondents felt that
overweight individuals were "extremely" or "very much" at risk. When looking
at their own risk, however, only 21 per cent felt of overweight respondents
that they themselves were "extremely" or "very much" at risk of developing
heart disease. Similar trends were noticed when asked about risk for diabetes,
high blood pressure and high cholesterol.
    "It's important that individuals learn to recognize that they themselves
could be at risk," says Dr. Richard Tytus, Associate Clinical Professor,
McMaster University. "It's not always about the other guy. Perhaps one way to
explain this dichotomy is that people tend to view obesity as a personal
failing, but research now tells us that obesity is a very complex problem and
that it's not about lack of willpower on an individual's part."
    The survey divided respondents into three medically-recognized weight
categories - normal/underweight (32 per cent of respondents), overweight
(37 per cent of respondents) and obese (31 per cent of respondents) - to
determine how individuals in these groups perceive and assess risks related to
being overweight or obese.(i)
    According to Dr. Tytus, there is some encouraging news coming out of the
survey. Hamilton residents, he says, deserve high marks for recognizing that
losing inches from their waist can contribute to improved health, and that it
is not just a cosmetic issue. Over three quarters (78 per cent) of
overweight/obese individuals acknowledged that if given a choice to lose
inches from anywhere on their body, they would choose their waist. When asked
why, 44 per cent gave reasons associated with their health - e.g., "to be more
healthy" (26 per cent) and "to reduce the risk of getting a serious medical
condition" (nine per cent). Conversely, only 27 per cent cited that they would
want to reduce their waistline for appearance reasons.
    Although 81 per cent of overweight individuals believe that a doctor can
help them lose weight if they really want to, few overweight respondents
actively sought counsel from a physician in the past year. Only 29 per cent of
overweight respondents had spoken with their physician about their weight.
Among these individuals, only 34 per cent said that their physician initiated
the first discussion about their weight. Furthermore, only 14 per cent of
overweight Hamilton residents stated that a physician had measured their waist
in the past year.
    "We hope that this situation will change now that more physicians are
recognizing the dangers of being abdominally obese," says Dr. Sharma.
"Evidence is mounting that abdominal obesity is closely associated with a
cluster of other risk factors that have the potential to lead to serious
long-term health consequences. Family physicians can play an important role in
screening their at-risk patients and initiating a discussion about the
importance of losing abdominal fat."
    Dr. Sharma notes that in addition to paying attention to traditional risk
factors such as blood pressure, LDL (the bad) cholesterol and blood sugar,
doctors need to take into consideration emerging risk factors that tend to
cluster together such as abdominal obesity, high triglycerides (a form of fat
in the blood) and low levels of HDL (the good) cholesterol.
    "We need to look at the complete picture," he says, "and that picture is
larger than it used to be."

    About abdominal obesity in Canada

    Another recent study revealed that nearly 50 per cent of Canadians have
abdominal or central obesity.(ii) Every increase in waist circumference of
14 cm for men and 14.9 cm for women raises a person's likelihood of developing
cardiovascular disease by up to 40 per cent(iii). According to the Canadian
Clinical Practice Guidelines for the Management and Prevention of Obesity in
Adults and Children, published in April 2007 in the Canadian Medical
Association Journal, a healthy waist size is generally considered to be 80 cm
for women, and 94 cm for men.

    About the survey

    The "Is Your City AO-K?" report card results are based on an Ipsos-Reid
survey conducted from March 23 to April 9, 2007 among 4,990 men and women in
six Canadian cities: Vancouver (830), Edmonton (797), Calgary (863), Ottawa
(862), Hamilton (804) and Montréal (834). The survey, commissioned by
sanofi-aventis Canada Inc., in partnership with the Canadian Obesity Network,
examined the knowledge and behaviours of Canadians relating to the health
risks associated with being overweight. Specifically, the survey examined
people's perceptions about excess body fat and abdominal obesity, as well as
the motivations and barriers associated with losing weight.
    For the survey, a randomly representative sample of individuals within
each city was interviewed from the Ipsos Reid on-line consumer panel. With a
sample of this size, results for each city are considered accurate to within
+/-3.5 percentage points, 19 times out of 20 of what they would have been had
the entire adult population within each city been polled. The margin of error
would be larger for specific sub-groups within the survey population. These
data are weighted to ensure that the sample's age/sex composition reflects
that of the actual adult population in each city according to Census data.

    About the Canadian Obesity Network

    The Canadian Obesity Network (CON) links obesity researchers with the
private sector, practitioners, and policy-makers to foster innovations and
investments toward cost-effective solutions to prevent, control and treat
obesity.
    CON is funded by the federal Networks of Centres of Excellence Program
(www.nce.gc.ca), a joint initiative of the Natural Sciences and Engineering
Research Council, the Canadian Institutes of Health Research, the Social
Sciences and Humanities Research Council and Industry Canada. For more
information, please visit www.obesitynetwork.ca.

    
    Note to Editors: B-roll will be available at the following
    times/coordinates:
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    Date:           Tuesday, June 12, 2007

    Time:           10:30 a.m. to 11 a.m.

                    2:30 p.m. to 3:00 p.m.

    Coordinates:    Anik F2 C
                    Transponder 3B
                    Audio subcarrier 6.2 and 6.8
                    Downlink frequency 3820 vertical
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    (i)    For the survey, respondents were asked to provide their height and
           weight, from which their body mass index (BMI) was calculated to
           determine which weight category they belonged to: underweight (BMI
           less than 18.5), normal weight (BMI between 18.5 and 24.9),
           overweight (BMI between 25 and 29.9) and obese (BMI greater than
           30).
    (ii)   Haffner, S, on behalf of the IDEA Executive Committee. Waist
           Circumference and Body Mass Index are both independently
           associated with cardiovascular disease. The International Day for
           the Evaluation of Abdominal Obesity (IDEA) Survey. Abstract
           presentation at the 55th Annual Scientific Session of the American
           College of Cardiology, 2006.
    (iii)  Ibid.
    





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For further information: Sarah Habib, Manning Selvage & Lee, (416)
847-1318

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