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The Public Health Burden of Physical Inactivity in Canada

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Physical inactivity is a substantial public health burden in Canada ... Aggressive public health campaigns against physical inactivity are warranted ... – PowerPoint PPT presentation

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Title: The Public Health Burden of Physical Inactivity in Canada


1
The Public Health Burden of Physical Inactivity
in Canada
  • Peter T. Katzmarzyk, PhD
  • School of Kinesiology and Health Science
  • York University

2
Prevalence of Risk Factors Among Canadian Adults
3
Physical Activity and Health Status 1998
National Population Health Survey
Men
Women
Poor
Poor
Good
Good
Very Good
Very Good
Excellent
Excellent
Health Status
Katzmarzyk, Med Sci Sports Exerc (Submitted).
4
Annual Direct Medical Costs of Physical
Inactivity United States
No Physical Limitations
Physical Limitations
All Subjects
Pratt et al. Physician Sports Med 20002863-70.
5
Projected U.S. Hospital Admissions in 20 years
Smoking 8.9 reduction Physical Inactivity
4.6 reduction
Allowing for a 10-year lag in health benefits
Russell et al. Am J Prev Med 20012026-34.
6
Major Physical Activity-Related Diseases
  • Coronary Heart Disease (CHD)
  • Stroke
  • Hypertension
  • Colon Cancer
  • Breast Cancer
  • Type 2 Diabetes
  • Osteoporosis

7
Relative Risks and Population Attributable Risks
for Physical Inactivity
  • Disease RR PAR ()
  • CHD 1.9 36
  • Stroke 1.4 20
  • Hypertension 1.4 20
  • Colon Cancer 1.4 20
  • Breast Cancer 1.2 11
  • Type 2 Diabetes 1.4 20
  • Osteoporosis 1.6 27

Katzmarzyk et al. CMAJ 200063435-1440
8
Economic Costs of Physical Inactivity
Cost Due To Disease Cost
Inactivity CHD 2.5 0.9 Stroke
1.7 0.3 Hypertension 1.6 0.3 Colon
Cancer 0.3 0.07 Breast Cancer
0.3 0.03 Type 2 Diabetes 0.6 0.1 Osteoporosi
s 1.3 0.4 TOTAL 2.1 Figures are
billions.
Katzmarzyk et al. CMAJ 200063435-1440
9
Physical Inactivity-Related Mortality
  • N Deaths
  • Disease N Deaths Due to Inactivity
  • CHD 44 061 15 774
  • Stroke 15 517 3 088
  • Colon Cancer 4 237 843
  • Breast Cancer 4 923 542
  • Diabetes 5 492 1 093
  • All Causes 207 408 21 340 (10.3)

Katzmarzyk et al. CMAJ 200063435-1440
10
10 Change in Inactivity
  • Reducing levels of physical inactivity from 62
    to 56 would result in 150 million a year in
    savings

Katzmarzyk et al. CMAJ 200063435-1440
11
  • The cost estimates are direct costs
  • hospital services
  • physician care
  • drugs
  • health research
  • The indirect costs are larger
  • time off work
  • loss of productivity

12
Summary of Burden of Physical Inactivity
  • 2.1 billion, or 2.5 of total direct health care
    costs are attributable to physical inactivity
  • physical inactivity is responsible for 21
    000 premature deaths a year
  • a reduction in physical inactivity of 10 would
    result in 150 million in savings a year

13
Conclusions
  • Physical inactivity is a substantial public
    health burden in Canada
  • The surveillance of physical activity patterns
    remains a public health priority
  • Aggressive public health campaigns against
    physical inactivity are warranted
  • Governments need to create and appropriately
    resource public policies that will encourage
    systemic change and stem the growth of physical
    inactivity at all ages
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