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Nation-wide CATI Health Surveys

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Title: Nation-wide CATI Health Surveys


1
Nation-wide CATI Health Surveys
  • National CATITechnical Reference Group

2
Nation-wide CATI Health Surveys
  • National CATI Health Survey Technical Reference
    Group
  • has been providing leadership in CATI health
    surveys
  • The National Public Health Partnership and AHMAC
    have expressed an interest in CATI health surveys
  • as an integral part of a nation-wide chronic
    disease and behavioural risk factor surveillance
    and monitoring system
  • Development of Nation-wide CATI Health Surveys is
    based on the importance of State CATI surveys
  • to provide high quality health data at the State
    level to track and monitor current and emerging
    health related issues, and
  • is a critical national/state partnership for the
    health of Australians
  • CATI - Computer Assisted Telephone Interviewing

3
Nation-wide Key Principles
  • Key principles of the Nation-wide CATI Health
    Surveys are
  • ongoing rolling program
  • National core question modules
  • State specific question modules
  • capacity for optional question modules
  • Nation-wide CATI Health Surveys will make a
    difference by
  • having a population health focus
  • being part of an evidence based approach
  • demonstrating links to interventions
  • supporting epidemiological studies based on
    surveillance
  • there is a need for a code of ethics and a code
    of practice

4
Role of CATI Health Surveys
  • CATI health surveys have been developed to
    address population health and surveillance needs
  • They provide key support for population health
    policy development and intervention
  • National CATI Health Survey Technical Reference
    Group is seeking to develop nation-wide capacity
    by
  • collaboration with CATI and non-CATI collections
  • development of a national sample through Telstra
  • development of agreed question modules

5
Best Evidence from CATI health surveys
  • Information gathered from CATI health surveys
    provides important input into the development and
    monitoring of population health interventions and
    programs with
  • CATI health surveys providing the ability to
    compare key health data between States and
    regions as well as identifying changes over time
  • the provision of a valuable resource to aid in
    consultation with the providers and users of
    health services
  • ongoing timely data providing key information to
    challenge existing views such as the trends in
    the use of services
  • the provision of vital input into the evaluation
    of, and competition between, services including
    health service use and satisfaction

6
CATI TRG Workprogram
  • The current CATI Technical Reference Group
    workprogram covers
  • the convening of a 2-day national forum (held in
    Adelaide in February 2000) and the publishing of
    the forum papers
  • the preparation of a best practice paper
  • telecommunication discussions to provide a
    uniform/optimal sampling mechanism
  • the standardising of question modules with a
    focus on NHPAs
  • an examination of social capital
  • the development of a coordinated communications
    strategy
  • developing State/Territory collaboration buddy
    systems

7
Why Use CATI Health Surveys
  • CATI health surveys are used to collect key
    population health surveillance data as they
    provide
  • timeliness of the collection and reporting of the
    information
  • efficient use of current technology
  • flexible and responsive collection that is
    adaptable to changing and emerging information
    needs
  • cost effective collection procedures
  • rural and regional data
  • fill policy and strategic information gaps
  • information not available from other sources
  • access to unit records to facilitate extensive
    analysis and interpretation

8
Why Use CATI Health Surveys (continued)
  • In addition CATI health surveys are used to
    collect key population health surveillance data
    as they provide
  • time series
  • acceptable collection procedures to respondents
  • adequate sample size
  • high data quality, especially through greater
    supervision of interviewers, computer data entry
    and question sequencing
  • support to government public relations
  • collection that is safe for interviewers and
    respondents
  • interstate, national and international
    comparisons
  • capacity to extend collection to include an
    epidemiological focus

9
Complementary Methods
  • Complementary collection methodologies are
    required for particular population groups, such
    as
  • Indigenous persons
  • non-English speaking persons
  • low socio-economic population
  • Mixed mode data collection for questions more
    suited to non-CATI procedures (eg attitudinal
    questions collection in follow-up mail
    collections)

10
Current CATI Activity
  • The scope of topics being covered by State based
    CATI surveys include
  • monitoring and surveillance
  • specific issues such as communicable diseases
  • health priority areas including prevalence,
    incidence, risk factors, management, links to
    biomedical measures
  • anthropological dimensions such as social capital
  • environmental issues
  • health promotion activities
  • health service use and evaluation

11
Current CATI Output
  • There have been a wide range of outputs
    including
  • reports
  • scientific and general publications
  • workshops and conferences
  • interstate, national and international
    comparisons
  • internet publication, eg see sites such as
  • www.health.nsw.gov.au/public-health/hs97
  • hna.ffh.vic.gov.au/phd/9811056/index.htm
  • www.health.sa.gov.au/pehs/CPSE.html
  • www.health.act.gov.au/epidem/hps.html

12
Development Options
  • Development options for Nation-wide CATI Health
    Surveys include
  • pilot testing State/Territory collaboration
    buddy systems
  • national module development
  • publication of a best practice manual
  • a national co-ordination program
  • further analysis of current data holdings
  • communication strategy
  • obtaining a Telstra sample

13
Future Directions
  • The medium term future directions include
  • pilot testing State/Territory collaboration
    buddy systems
  • development of a national CATI rural/remote
    survey
  • development of new question modules covering
    social disadvantage, chronic disease, nutrition,
    physical activity, immunisation and child health
  • documenting what each State/Territory is doing
    and has completed
  • examine statistically significant
    similarities/differences between States to
    identify CATI results that can be generalised to
    other States

14
Selected State Examples
  • The following slides provide some examples of
    data that have been collected in State CATI
    health surveys
  • South Australian Health Omnibus Surveys 1991 to
    1999 Proportion with current, confirmed asthma
    and prevalence of diabetes
  • NSW Health Survey 1997 Overweight/obesity,
    physical activity and private health insurance
  • Victoria Population Health Survey 1999 Use of
    personal protective equipment in sport and
    understanding of disease inheritance

15
SA Health Omnibus Surveys 1991 1999
  • The following charts show a time series of two of
    the National Health Priority Areas
  • proportion of the SA population with current,
    confirmed asthma, by area of residence
  • prevalence of diabetes, by area of residence
  • these charts demonstrate the upward trend in both
    areas
  • generally higher figures are reported for country
    compared to metropolitan residence

16
SA Health Omnibus Surveys 1992 1999Proportion
with current, confirmed asthma
17
SA Health Omnibus Surveys 1991 1999Prevalence
of diabetes
18
NSW Health Survey 1997
  • The following slides provide some examples of
    data that have been collected in the NSW Health
    Survey 1997
  • Overweight/obesity
  • Physical activity
  • Private health insurance
  • The following slides present the data bysex,
    age group, Health Area x sex (age-adjusted
    prevalence ratios)

19
NSW Health Survey 1997 Overweight/obesity
20
NSW Health Survey 1997 Overweight/obesity
21
NSW Health Survey 1997 Overweight/obesity
22
NSW Health Survey 1997 Overweight/obesity
23
NSW Health Survey 1997 Overweight/obesity
24
NSW Health Survey 1997 Overweight/obesity
25
NSW Health Survey 1997 Physical activity
26
NSW Health Survey 1997 Physical activity
27
NSW Health Survey 1997 Physical activity
28
NSW Health Survey 1997 Physical activity
29
NSW Health Survey 1997 Physical activity
30
NSW Health Survey 1997 Physical activity
31
NSW Health Survey 1997 Private health insurance
32
NSW Health Survey 1997 Private health insurance
33
NSW Health Survey 1997 Private health insurance
34
NSW Health Survey 1997 Private health insurance
35
NSW Health Survey 1997 Private health insurance
36
Victorian Population Health Survey 1999
  • The following charts show the use of personal
    protective equipment in sport and the
    understanding of disease inheritance
  • The minority of participants are using protective
    equipment with less than 20 use of protective
    equipment in netball and basketball
  • Barely 50 use of protective equipment in soccer,
    indoor cricket and Australian rules football
  • These data provide a State-wide baseline for the
    evaluation of policies to enhance the use of
    personal protective equipment
  • Sets the direction for future health promotion
    messages to ensure they are appropriately
    targeted campaigns
  • The extent of public knowledge about the
    inheritance of particular diseases is important
    in controlling the disease.

37
Victorian Population Health Survey 1999 Use of
personal protective equipment in sport
38
Victorian Population Health Survey 1999
Understanding of inheritance
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