DATA and STATISTICS

… at your service!

S.Mowers & the GSG team

©2009, University of Ottawa

Professor E. Diem

INTRODUCTION

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Type of Data, 1

Administrative and Registry Data

– For example, • hospitals: care, (e.g., admittances, duration of stays),

disease…• health centres: services, disease

– And includes vital statistics (births, deaths, marriages, …)

– WHO was the first person to collect hospital administrative data?

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Type of Data, 2

Survey Data

(including household surveys, e.g., through Statistics Canada)

100%– The Census of Population (every five years)

Population Samples– The Canadian Community Health Survey– The National Population Health Survey etc. etc.

• The academic community has data access through the Data Liberation Initiative with Statistics Canada, (contact Susan), and to CIHI data by individual request, (Web site to follow).

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In other words, Statistics come from…

…DATA

Data are processed to become Statistics

Person 1…2

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From Data to Statistics

000031214110011982001212222221002098200121222222401121111241112121112205020197111971021212222225211026121204300140955720411313022111999901978787879702221411271412400315000616611232222222221111172626162212222666666636212000

000041100110011101102122222221002009200212222222021111111231212111211208120193811938044122222221111052201203901007504721031191012233520406058787870304221303420708300400001420007111222122211721575656565555555666666656565000

Person 1

Person 2

Raw coded data (confidential) Anonymized data (PUMF)

Statistics Summarized/aggregate data (Statistics)

Data Liberation Initiatve

COOL RDC

Public

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OFFICIAL STATISTICAL SOURCESMajor Government Departments and Agencies Publishing

Studies and Information on Health*

• Health Canada…

• Public Health Agency of Canada

• Statistics Canada …– Analytical Studies

• Canadian Institute for Health Information

• Provincial/Territorial Ministries of Health

• Canadian Institutes of Health Research

• Pan American Health Organization

• World Health Organization *page thanks to T. Rokolj, U.Ottawa librarian, GSG

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So, statistics can be presented in many ways, as…

- a table of numbers, - a few numbers in a newspaper article etc,- a graph, *

*see Graph types and …

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… AS A MAP

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How to Cite Statistics Canada products

Main Web page http://www.statcan.ca/english/freepub/12-591-XIE/12-591-XIE2006001.htm

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Part II: SURVEYS

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Survey Datasets

Browse the DLI survey collection on the Web

including questionnaires, abstracts and data codebooks for the Public-Use Microdata Files (PUMFs)

Available DLI surveys (Browse)

And more about Get data on …

• http://uottawa.ca.libguides.com/content.php?pid=14807&sid=99466

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Canadian Community Health Survey (CCHS)

1. Largest health survey in Canada, Over 131,000 respondents from more than approximately 140 health regions (from 2001-Current). Cross-sectional survey.

2. Very detailed data on health status and health system (e.g., access/use), and correlates of health including economic, social, occupational, demographic and environmental indicators;

3. Statistics Canada publishes extensive CCHS statistics in various products including Health Indicators, a database of statistical tables (to be demonstrated);

4. Special CCHS topics now all included in one survey (issued every 2 years) 2002 (cycle 1.2): Mental Health and Well-Being, 2004 (cycle 2.2): Nutrition…

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And hundreds of potentially relevant surveys

• General Social Surveys annual topics, aging, social support, health (1985 and 1991) etc

• 2001 Post-censal Surveys (every 10 years)

Aboriginal People’s Survey 2001• Includes health topics

Participation and Activity Limitation Survey 2001• Disabilities

Ethnic Diversity Survey 2001

• Canadian Tobacco Use Monitoring Survey (CTUMS)– Tracks changes in smoking status, especially for populations most at risk, such as the 15 to 24 year olds.

• National Population Health Survey (NPHS), 1994/95-Current - longitudinal

• National Longitudinal Survey of Children and Youth (NLSCY/Kids survey)

• And many more, including other countries’ surveys and international surveys

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Part III:

ACCESS to HEALTH STATISTICS

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Note

Ask:Who collected and who sponsored the data collection?

Can you identify how the data sources were collected and what and how the data was being measured?

Official, sector/trade, academic and popular sources

have differing levels of authority

… further supported or refuted by the answers to the questions above

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ACCESS to HEALTH STATISTICS - 1

These statistics covers both survey and administrative data

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ACCESS to HEALTH STATISTICS

StatCan Web site :

- the Web site many access points ! WE HAVE A SUBJECT GUIDE for HEALTH STATISTICS

- some public and some restricted sources on the site

- we will start with the simple sources providing just a few general numbers, to detailed statistical tables and sources of statistical commentary and analysis

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ACCESS to HEALTH STATISTICS

StatCan Web site :- the Web site many access points ! THEREFORE WE HAVE A SUBJECT GUIDE for HEALTH STATISTICS- some public and some restricted sources on the site- we will start with the simple sources providing just a few general numbers, to detailed statistical tables and sources of statistical commentary and analysis

Others :- Search CANSIM (via E-STAT) restricted (DLI/DSP) from Statistics Canada- Health Canada (public health) summaries of mostly administrative public health data

… and don’t forget academic sources

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Strategies for finding health stats

(1) Look for a few numbers– Health Statistics (three examples)

(2) Look for more detailed statistical tables– Find Statistics By subject (Statistics Canada)– Health Indicators (advanced statistical tables)– Search CANSIM via E-STAT (advanced statistical tables)– A Profile of Disability in Canada

(3) Cross-tabulate health determinants and health outcomes – book a demo with Susan

(4) Search for more detailed statistical commentary and analysis, will include statistical tables

– General comments and GSG reference services

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Overview – what’s where on Public Web sites• Look for a few numbers

– Summary tables (Statistics Canada)– The Daily (Statistics Canada)– Health in Canada (Statistics Canada) including Health Profile

• Look for more detailed statistical tables– Find Statistics By subject (Statistics Canada)– Health Indicators (Health Canada and Statistics Canada sources)– Search CANSIM via E-STAT (Health Canada and Statistics

Canada sources)– Health Surveillance (Health Canada)

• Further search for more detailed statistical commentary and analysis, will include statistical tables

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Strategy 1

LOOK FOR A FEW CURRENT NUMBERS

(a) Health Summary Tables

Get Health Statistical Tables

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http://uottawa.ca.libguides.com/content.php?mode=preview&pid=16752&sid=112963

Starting with Getting a Few Numbers …

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a) Select Health Summary tableshttp://uottawa.ca.libguides.com/content.php?mode=preview&pid=16752&sid=112963

Major Health Summary Tables

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All Statistics Canada Summary tables

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http://www40.statcan.ca/z01/cs0002-eng.htm

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#2, Search (e.g., “smokers”) … OR …

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#3 Browse Health subheadings… one subject, “smoking”, can have 2 aspects

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#4, Select table …

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Strategy 1 continued …

LOOK FOR A FEW CURRENT NUMBERS

(b) The Daily

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a) Select The Dailyhttp://uottawa.ca.libguides.com/content.php?mode=preview&pid=16752&sid=112963

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#5, View table in full This table only displays to Ont., click on a province after Ont. to display 2nd table

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Strategy 1

LOOK FOR A FEW CURRENT NUMBERS

(b) The Daily

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Strategy 1 …

SEARCH FOR A FEW NUMBERS IN

(b) The Daily

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Search The Daily … for synopses 1995 to todayhttp://www.statcan.ca/english/dai-quo/

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A few numbers and commentary…

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Strategy 1

LOOK FOR MORE DETAILED STATISTICAL TABLES

(c) Health in Canada

Health in Canada

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Health Profile !

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Strategy 2

LOOK FOR MORE DETAILED STATISTICAL TABLES

(c) Find Statistics By subject

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Statistics by Subject page

http://www.statcan.gc.ca/subject-sujet/index.action?&lang=eng

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Here are some relevant health-related subjects to consider …

(Births and deaths)

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EXPLORE Statistics by Subject pages …

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EXPLORE STATISTICAL TABLES

e.g., preview of CANSIM tables of interest …

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Description of table

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EXPLORE STATISTICAL TABLESe.g., preview sample download page …

($$$ INSTEAD use a free version later to access this

CANSIM table)

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Finish previewing and save your sources, or in case of CANSIM table, note down your Table number, e.g., 105-0112

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Strategy 2

LOOK FOR MORE DETAILED STATISTICAL TABLES

(b) Health Indicators

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Library Population Health Statistics pagehttp://uottawa.ca.libguides.com/aecontent.php?pid=16752&sid=112964

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#1, View

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#2, Data tables and maps

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#3 Index to tables page

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Strategy 2

LOOK FOR MORE DETAILED STATISTICAL TABLES

(c) Search CANSIM via E-STAT

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Library Population Health Statistics pagehttp://uottawa.ca.libguides.com/aecontent.php?pid=16752&sid=112964

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#1, Connect now…

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Off campus access to E-Stat

1. Enter your library access account user name

• Your user name is the prefix of your uottawa.ca e-mail account, e.g., bsmi072 for bsmi072@uottawa.ca

2. Enter your password

• The password is the following format: YYMMDD?? where ?? represents the two last numbers of your social insurance number and YYMMDD represents your date of birth.

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#2, Search CANSIM

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#3, Many access options, see CANSIM by survey

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“CANSIM by survey”, sort alphabetically… …example of rich content

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#4, Search by table number

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#5 Select your items working down the screen

DEMO

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#6, sample results

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For researchers particularly interested in details of CANSIM tables …download Beyond 20/20 optional but recommended

Click here

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Strategy 2

LOOK FOR MORE DETAILED STATISTICAL TABLES

(d) [Public] Health Surveillance

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Public Health Surveillancehttp://uottawa.ca.libguides.com/content.php?mode=preview&pid=16752&sid=112963

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Example, Disease Surveillance Online

breakdowns by : age, sex, provinces, time

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Strategy 2

LOOK FOR MORE DETAILED STATISTICAL TABLES

(e) A Profile of Disability in Canada 2001

Get Statistical Tables on Disabilities

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http://uottawa.ca.libguides.com/content.php?mode=preview&pid=16752&sid=112963

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Strategy 3:

Further search for more detailed statistical commentary and analysis

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Use your power searching everwhere!

For example, on StatCan’s search (Advanced Search) feature… http://www.statcan.gc.ca/search-recherche/adv-ava-eng.htm

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For Statistics Canada publications (commentary and analysis) or more generally …

Further browsing

Index of downloadable Statistics Canada publications

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research assistance at your service!

Appointments welcomed

Susan Mowers and GSG Team

Morisset Library

3rd Floor

smowers@uottawa.ca

613-562-5800

Extension 3634

AND THANK YOU!