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Regional Patterns and Trends in Canadian Mortality, 1921-2000
Robert Bourbeau1 and Kirill Andreev2 Département de démographie, Université de Montréal , Montréal, Québec and Centre Interuniversitaire d’Études Démographiques (CIED) Department of Community Health and Epidemiology, Queen’s University, Kingston, Ontario Presentation for the first HMD Symposium , Rostock (Germany), June 18-19, 2004 MPI for Demographic Research /CEDA University of California Berkeley The authors would like to thank Mélissa Beaudry-Godin, Pascale Prud’homme and Laurie Paquette, graduate students at the Département de démographie, for their valuable assistance
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Outline of Presentation
CHMD / BDLC (Canadian Human Mortality Database or Base de données sur la longévité canadienne) Trends in Canadian mortality, Regional mortality differences in Canada, Sex differentials Provincial deviations from Canadian levels Provincial trends by age groups compared to Canadian trends
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Canadian Mortality Database (CHMD)
Available now Based on Human Mortality Database
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Main Features of Canadian mortality during the 20-th Century
Life expectancy at birth, Canada Provinces Increase in life expectancy at birth by 21 years for males and 24 years for females Difference between male and female life expectancy increased from 2 years in 1921 to 7.3 years in 1976 and then began to decrease, to reach 5.2 years in 2000. Narrowing of the gap between provinces : From to 1.6 years for males From 11.6 to 0.9 years for females
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British Columbia Quebec
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Saskatchewan Quebec
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DATA Age : 0, 1-4, 5-9, …, 90-99, 100+ Year : 1921 to 2000
Sex: Male, Female, Total Regions: Provinces (10) + 2 Territories Number of deaths Exposures
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METHODS: Intensity regression models
First Model: Age + Sex*Year Age factor: age specific schedule for standard death rates in a specific year (1921) Sex*Year factor: deviation from this schedule for subsequent years (1922 to 2000)
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Quebec Ontario
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1.11 0.39 0.26
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Trends in death rates relative to the age-specific schedule of female mortality in 1921, Age 0-99
Quebec Canada 1.11 1.13 0.34 0.39 0.26 0.21
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0.2 0.91 0.08
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Trends in death rates relative to the age-specific schedule of female mortality in 1921, Age 20-29
Quebec Alberta 0.21 0.17 0.85 0.8 0.10 0.06 Ontario British Columbia 1.14 1.04 0,28 0.18 0.08 0,12 Source: CHMD
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Trends in canadian death rates relative to the age-specific schedule of female mortality in 1921, Age 50-59 1,06 0,48 . 0,3
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Trends in death rates relative to the age-specific schedule of female mortality in 1921, Age 50-59
1,10 1,15 0,46 0,5 0,35 0,27 1,15 1,08 0,46 0,46 0,3 0,3 Source: CHMD
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METHODS: Intensity regression models
Second Model: Age + Province Applied separately to age groups, sex and year Province factor: relative deviation of provincial death rates from Canadian levels by age groups
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Log of relative deviation of death rates in Quebec, Ontario, Alberta and British Columbia as compared with Canada, age group 20-29, Females Males Log deviation Log deviation 2000 2000 Source:CHMD
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Log of relative deviation of death rates in Quebec, Ontario, Alberta and British Columbia as compared with Canada, age group 50-59, Females Males Log deviation Log deviation 2000 2000 Source:CHMD
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METHODS: Intensity regression models
Third Model: Age + Year *Province Age factor: age specific schedule for Canadian death rates in 1921 Year * Province factor: deviation from this schedule for subsequent years (1922 to 2000) .
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Trends in death rates relative to age-specific schedule of canadian mortality in 1921, Age 20-29
Females Males Log deviation Log deviation 2000 2000 Source:CHMD
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Trends in death rates relative to age-specific schedule of canadian mortality in 1921, Age 50-59
Females Males Log deviation Log deviation 2000 2000 Source:CHMD
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CONCLUSION CHMD: A unique opportunity for regional mortality analysis in Canada. Sex differentials Age-specific profiles Provincial differentials
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