DHIS2 Implementation Guide En Part3

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Recommendations for National HIS
Implementations

Database development

Chapter 1. Recommendations for
National HIS Implementations
The following text gives a brief overview of some of the key aspects of HIS implementations learned by HISP
from numerous missions in developing countries. The various aspects can be used as input for planning of new
implementation efforts or evaluation of ongoing processes.

1.1. Database development
When developing a new database a natural start is to define the data elements for which to capture data and to design
the data entry forms. The data elements are the core building blocks of the database and must be reasonable stable
before moving on. The next step could be to define validation rules based on the mentioned data elements to be able
to better ensure the correctness of the data being captured.
The other core component of the database is the organisational hierarchy which should be identified and set up in the
initial phase. The health facilities are generally the source of the data and the organisational hierarchy is locating the
facilities in both the geographical and in the administrative dimension. In most countries there is no strictly defined
and continuously updated “master registry” for health facilities, hence this process needs to involve the different
stakeholders including the district level as they will be the ones who have best knowledge about the situation.

1.2. Import and mapping of existing databases
Bringing in existing data to the new system adds significant value in the initial phase as it makes it a lot easier to
demonstrate analysis capabilities such as charts and reports. This improves the ability to convince stakeholders such as
health programs and donors to support the new system. In most cases there exists a large amount of electronically stored
data from in-house database systems, excel sheets or other third party systems. This data should whenever possible be
imported and mapped to the data elements and the organisational units (locations/facilities) of the new system with
whatever feasible technical solution. This should be regarded as a one-time job for boot-strapping the database and
does not have to turn into an elegant and reusable routine.

1.3. Securing necessary resources for the implementation
Doing a national roll-out is an expensive effort which requires appropriate funding for aspects mentioned in the
following including procurement of hardware, server hosting, internal and external training workshops. The funding
could be retrieved from the government budget and/or with help from external donors. It is vital that even relatively
small amounts needed for instance for airtime for mobile Internet modem are budgeted for and provided in order to
avoid frustrations and unnecessary problems for end users.

1.4. Integration of parallel systems
The typical government health domain has a lot of existing players and systems. Fist it is apparent that an integrated
database containing data from various sources becomes a lot more valuable and useful than fragmented and isolated
ones. For instance it improves usefulness when analysis of epidemiological data is combined with specialized HIV/
AIDS, TB, financial and human resource data, or when immunization is combined with logistics/stock data as it will
give a more complete picture of the situation. Second there is typically a lot of overlapping data elements being captured
by the various parallel systems. For instance will HIV/AIDS related data elements be captured both by both multiple
general counselling and testing programs and the specialized HIV/AIDS program, or data elements related to malaria
in pregnancy will be captured by both the reproductive health program and the malaria program. Harmonization the
data collection tools of such programs will reduce the total workload of the end users. This implies that such data
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Recommendations for National HIS
Implementations

Setup of a reliable online national server

sources should be integrated into the national information system and harmonized with the existing data elements,
which involves both data entry and data analysis requirements and requires a flexible and extensible information system
software. It is thus important that individual discussions and work are done with all relevant stakeholders including
all health programs.

1.5. Setup of a reliable online national server
As the technological development moves on most countries have a mobile network and coverage for a certain part of
the districts. The use of networked based information systems accessed over the Internet (also referred to as “cloud
computing”) combined with Internet modems using the mobile network is a great approach for rapid scaling. This
assumes a reliable online server at the national level. The recommended approach is to procure such hosting services
from external providers (such as Linode and Amazon) which relieves the government of providing necessary features
such as back-up electricity solutions, regular data backup, server maintenance and security and reliable Internet/
network access. A typical concern is policy and in-country location of the data storage but this can be mitigated with
special arrangements with the provider.

1.6. Pilot phase
Before initiating the national system roll out a pilot phase is required, typically for all districts in a province/region. The
objective is to field test and get feedback on the system from all stakeholders. Typically end users will provide feedback
on the data entry experience, involving the data entry form designs, the usability of the data entry functionality, content
of reports and other analysis tools, the feasibility of doing online data entry (modem and airtime accessibility) or offline
data entry (reliability of local installation). Typically one will experience some resistance from end-users regarding the
change from paper based to electronic systems paradigms, for instance related to the decoupling of data entry forms
and data analysis tools. One gets to test the feasibility of the network connectivity and the national server configuration
with regard to performance and up-time.
In the situation where one has a running legacy system it is vital to shut that system down in the pilot area. If the legacy
system is still in production the primary focus of the end users will be on entering data in that system and the piloted
system will get peripheral attention with suboptimal testing and learning as a result. If maintaining the legacy system
is a priority then the data should be transferred by the technical team without burdening the end users.

1.7. Roll out
The roll out process is traditionally associated with installation and basic training of the system. It is, however, useful
to consider it as a more comprehensive process involving multiple phases.
The first phase corresponds to the traditional activities where the first objective is about data completeness: To ensure
that close to 100% of the data is being collected. First this implies that the system should be implemented and used at all
districts in the country. Second it implies that data for all data elements included in the forms are actually reported by
the districts or facilities. Data being reported within a reasonable time frame - timeliness - is also relevant in this context.
The second objective is related to data quality: To ensure that data capture errors are reduced to a minimum. Several
measures should be effected to achieve this: First data entry and data review should be done by skilled personnel.
Second automatic data evaluation methods such as logical validation rules and outlier analysis should be applied to
the data.
The second phase is about enabling district and hospital officers to use standard analysis tools such as reports, charts
an pivot tables. Users should be able to find and execute those tools with relevant data. This must be followed by a
basic understanding of the purpose, meaning and consequences of those tools and of the data being analyzed.
The third phase involves data usage: Regular use of data analysis to improve evaluation, planning and monitoring of
health activities at all levels. Data from the information system should be used to evaluate the effects of implemented
measures by looking at key indicators. That learning should later be used to make informed decisions on future
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Recommendations for National HIS
Implementations

Training

planning. For instance when low immunization rates are discovered through an immunization report coming from the
information system an outreach vaccination campaign could be effectuated. The effects of the campaign could then
be monitored and evaluated based on up-to-date reports and informed decisions made on whether to intensify or wind
down. The system could later provide information regarding what quantity of vaccine doses which must be ordered
from the supplier.
To accommodate for large-scale roll out processes a detailed plan must be made for training and follow-up as covering
all districts in a country represents a logistical challenge in terms of workshop venues, trainers, participants, equipment
and hardware. To speed up the process several teams could give parallel trainings.

1.8. Training
Most of the objectives mentioned in the roll out section depends heavily on appropriate user training. User training
can be conducted in several ways. An effective activity, especially for getting started, is training workshops. Users
such as district and province record officers, district managers, data entry officers and health program managers are
gathered and given training. Training should be done as a combination of theoretical lectures and hands-on practise
on relevant subjects mentioned in the roll out section such as data entry, validation and analysis. Participants should
be kept at a manageable number depending on the facilities and number of trainers available. Sufficient hardware for
all participants to do practical work must be provided.
Another useful activity is on-the-job training which has the advantage that users get individual follow-up in their home
working environment. This provides the ability to help with individual specific needs or questions and sort any issues
related to hardware. Also, giving individual support will often boost the motivation and ownership feeling of end users.
The period between a workshop and on the-the-job training can be used for home work assignments, where users
typically are assigned to create meaningful analysis for their district or province. This work can then be given feedback
on and used as basis for individual training.

1.9. Decentralization of data capture and management
Migrating from paper based systems or primitive databases to full-fledged web based health information systems and
from capturing district based aggregated data to facility based data entails new possibilities for decentralized data
management which should be exploited. Firstly the facilities with sufficient hardware and network connectivity should
be tasked with entering their own data. This will reduce the workload of the district health records officer who might
use the freed up time for data analysis, data use, feedback to facilities and data quality efforts. Secondly maintenance
of the facility hierarchy in terms of facility classification and health services provided at the facilities is a resource
demanding task and should be decentralized and done as a joint effort by all district officers rather than by a single
national team. This will make the facility information more correct and up to date since the district officers have
better knowledge of their local situation and have incentives for proper management as it will eventually affect their
performance indicators and data completeness scores.

1.10. Review and extension
A national HIS is a growing organism which needs to be maintained. As the system usage increases more requirements
and needs will emerge from new and existing stakeholders such as district record officers and health program staff.
Regular review meetings including such stakeholders should take place where data capture tools, such as data elements
and forms, and data analysis tools, such as indicators and reports, should be revised and new tools potentially added.
Also, new functionality requirements should be managed and appropriate software development resources should be
secured. Such regular activities for supporting the extension and enhancement of the system are vital to maintain the
current momentum and learning processes and to improve long-term project sustainability.

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