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Dhis elective topic 3 - info cycle, collection and collation
1. Information Cycle
Data Handling in Information Cycle:
Collection and Collation
University of Oslo
Department of Informatics
Oslo - 2007
Facilitator: Gertrudes Macueve
11th April 2007
2. Learning objectives (1)
• Define what is data and what is
information
• Identify the different stages of the
information cycle
• Explain how to handle data
• Recognize the difference between
collecting data and gathering data
• Identify data collection tools
3. Learning objectives (2)
• Explain the need for flexibility and
standardization in data collection
• Explain the rationale for use of an
essential dataset
• Explain the correlation between data
elements and indicators
• Define what is data collation
• Indicate common data collation methods
and problems
4. Data and information
• Data
– observations and measurements about the world,
e.g.
– Representation of observations or concepts suitable
for communication, interpretation, and processing by
humans or machines.
– May or may be not useful to a particular task.
• Information
– facts extracted from a set of data (interpreted data),
Meaningful and useful
– Data brought together in aggregate to demonstrate
facts;
– It is useful to a particular task.
6. Information Cycle
Data converted to
information
What do we do withWhat do we do with
it?it?
How do we presentHow do we present
it?it?
How do we use it?How do we use it?
data sources &
tools
Process &
Analysis
Reports & graphs
Interpretation of
information
Good quality
data
What do we collect?What do we collect?
Decision-making
for effective
management
feedbackfeedback
Stages
Tools
Outputs
Quality atQuality at
every stageevery stage
EDSEDS
8. The starting point…
Feeding the information cycle
Collection
Input
Raw data
Presenting
Interpreting
USEANALYSIS
Processing
Output
INFORMATION
9. Data collection
• Two ways to obtain data
1. Collect data: Physical counting of elements
2. Gather data: if data have already been
collected; Requirements:
• The definitions of the data are the same as
ours
• The format in which the data are collected, is
the same
• Data are collected reasonably accurately
• We are able to negotiate access to the data
10. Data collection/gathering
guiding principles
• WHO health care workers at all levels
• WHAT Essential Data Set
• WHEN daily – collated weekly & processed monthly
• WHERE work sites, facilities, districts (info filter)
• HOW data sources (tally sheets, registers etc)
• WHY To monitor progress towards goals & targets
To Plan new policies and changes
To evaluate current services
To assist health management processes
11. What data elements should be
collected?
• Can provide useful information (affecting the
management decisions)
• Cannot be obtained elsewhere
• Are easy to collect
• Do not require much work or time
• Can be collected relatively accurately
ESSENTIAL DATA SET based on indicators
reflecting the health status of the community
12. Essential data set
MUST
KNOW
The % of children
under one year who
are fully immunised
Drop out rate DPT 1-
3; measles coverage The % of children
under two years who
are fully immunised
Other programme
vaccines given
13. Essential data set at each level
• Standardised
• Usefulness
• Address the needs
of all stakeholders
• User-friendly
• Dynamic
14. Where do we get data from?
• Routine data collection
– Routine health unit and community data
• Activity data about patients seen and
programmes run, routine services and
epidemiological surveillance; e.g.
• Semi-permanent data about the population
served, the facility itself and staff that run it
– Civil registration
15. Where do we get data from?
• Non-routine data collection
– Surveys
– Population census (headcounts
proportion/facility catchment’s area)
– Quantitative or qualitative rapid assessment
methods
16. Example: data collected at PHC facilities
Special
programme
activities
• Mental & reproductive health
• Child health & nutrition
• HIV/AIDS, STI and TB
• Chronic diseases
Routine Service
Activities
• Minor ailments
• Non-priority activities
Epidemiological
surveillance
• Notifiable diseases
• Environmental health
Administrative
Systems
• Infrastructure, equipment
• Human resources
• Drugs, transport, labs, finances, budget, staff
Population • Census: age, sex, place
• Births & deaths registration
17. Requirement for data collection:
Standardised definitions
• Essential standardised definitions of both
data elements and indicators:
– To ensure comparability between different
facilities, districts and provinces
– To ensure comparability across years
19. A. Client Record Cards
• Record details of the client’s interaction
with the health service, e.g.:
– Health facility record system (traditional)
Associated with misfiling and loss vs
– Client-held record system (Road to Health
Card, Child Health Booklet, Women’s Health
Book, TB patient treatment card);
Associated with efficiency of the individual
concern, suitable for mobile community
22. B. Tally sheets
• Easy way of counting identical events that do not
have to be followed-up (e.g. headcounts, children weighed)
23. C. Registers
• Record data that need follow-up over long periods
such as ANC, immunisation, FP, TB
24. Assessment of data collection toolsAssessment of data collection tools
(Using SOURCE criteria)(Using SOURCE criteria)
conduct an information audit of all tools – type & number
S simple – ease of use (layout)
O overlap – duplication (no overlap)
U useful for – indicators (relevance)
R relevance
C clear – ease of use (layout)
E effective – decisions used for (purpose)
25. Data collection ToolsData collection Tools
criteria for appropriatenesscriteria for appropriateness
TOOL PURPOSE LAYOUT RELEVANCE OVERLAP
How many?
•client cards
• tally sheets
• registers
• reports
Effective
decision-making
for:
•Public health
• Management
• Supervision/
support
•monitoring
• evaluation
Simple,
Clear,
Easy to
understand
•Priority actions
•No useless data
•Missing actions
evident
Useful for:
• Output/
Outcome/imput/
Process
• coverage/
Quality
• incidence/
prevalence
• no Overlap
with other
forms
• What
• When
• Where
• Why
• How
27. 1. summarising data from the same data
elements but from different sources
2. summarising data from the same
source but over a period of time.
Ways of collating data
28. Common collation problems
• Incorrect grouping of data
• Data are incorrectly added
• Missing data forms
• Double counting of data
29. Data collation practical methods
Unities method
Disease Cases Frequency
Cholera III 3
Accidents I 1
Malaria IIII IIII IIII 15
Diarrhea 12IIII IIII II
30. Data collation practical methods
Rectangles method
Disease Cases Frequency
Cholera 3
Accidents 1
15
12
Malaria
Diarrea
The relationship between data and information is better seen by considering a diagram, that is called info cycle. So, information cycle is a diagrammatic way of looking at data and information. The Inf Cycle enables one to see the links between the different stages of information. What are these stages or phases? As you can see through this diagram, phases of information handling include the process of data capturing, through observation of real events (collecting), processing data (process means ensuring data quality by auditing data (3Cs), collating (aggregating) data… so that one can analyse it and turn it into information. The information is then presented, interpreted and used for decision-making.
EDS – Essential Data Set – All data collected must have a purpose…. Mainly used to calculate indicators that measure (performance) how well the various programmes are performing.
Because we are dealing with thousands of data elements, we have to select exactly the data we need, the data which will contribute for decision-making, usually called esd or minimum data set.
As data flows from lower levels to higher levels, less data is required. Data collection normally begins at the community/facility level. It should then be sent to the district office. From there it may go to a regional office and then to a provincial level before being sent to a national level. The national level will have international reporting requirements. Each level has different requirements. The facility might want to know how many swabs are used on a daily basis. This information would be irrelevant to the national level. However, information such as the infant mortality rate is of international concern and thus important for all levels of the health system. Become familiar with the information flows within and outside your district.
Special registers (birth registers, TB registers, mental health registers)
Special registers (birth registers, TB registers, mental health registers)