nation-wide cati health surveys national cati technical reference group
TRANSCRIPT
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Nation-wide CATI Health Surveys
National CATITechnical Reference Group
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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
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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
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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
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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
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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’
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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
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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
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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)
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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
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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
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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
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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
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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
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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
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SA Health Omnibus Surveys 1992 – 1999Proportion with current, confirmed asthma
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1992 1993 1994 1995 1996 1997 1998 1999
Year
Pro
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%)
Overall Metropolitan Country
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SA Health Omnibus Surveys 1991 – 1999Prevalence of diabetes
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1991 1992 1993 1994 1995 1996 1997 1998 1999
Year
Dia
be
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pre
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(%
)
Overall Metropolitan Country
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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 by:sex, age group, Health Area x sex (age-adjusted prevalence ratios)
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NSW Health Survey 1997 – Overweight/obesity
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NSW Health Survey 1997 – Overweight/obesity
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NSW Health Survey 1997 – Overweight/obesity
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NSW Health Survey 1997 – Overweight/obesity
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NSW Health Survey 1997 – Overweight/obesity
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NSW Health Survey 1997 – Overweight/obesity
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NSW Health Survey 1997 – Physical activity
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NSW Health Survey 1997 – Physical activity
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NSW Health Survey 1997 – Physical activity
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NSW Health Survey 1997 – Physical activity
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NSW Health Survey 1997 – Physical activity
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NSW Health Survey 1997 – Physical activity
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NSW Health Survey 1997 – Private health insurance
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NSW Health Survey 1997 – Private health insurance
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NSW Health Survey 1997 – Private health insurance
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NSW Health Survey 1997 – Private health insurance
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NSW Health Survey 1997 – Private health insurance
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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.
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Victorian Population Health Survey 1999 – Use of personal protective equipment in sport
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Victorian Population Health Survey 1999 – Understanding of inheritance