OPERATIONAL RESEARCH Moderator-Dr Subhod Gupta Presenter-Dr Rashmi Gode 1.
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Transcript of OPERATIONAL RESEARCH Moderator-Dr Subhod Gupta Presenter-Dr Rashmi Gode 1.
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OPERATIONAL RESEARCH
Moderator-Dr Subhod Gupta
Presenter-Dr Rashmi Gode
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FRAMEWORK
Introduction Objective of OR History Features of OR Methodology of OR Approach to carry OR Types of OR study OR examples from India Importance of OR OR and Public Health of India Organisations funding/supporting OR References.
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INTRODUCTION
Terminology-Operational research / Operations research / Management science/Industrial engineering/decision science/problem solving.
Single term-OR An interdisciplinary mathematical science that focuses
on the effective use of technology by organizations. OR arrives at optimal or near-optimal solutions to
complex decision making problems. Science of better
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WHAT IS OR? Definition- Any research producing practically usable
knowledge (evidence, findings, information, etc.) which can improve program implementation (e.g. effectiveness, efficiency, quality, access, scale up, sustainability) regardless of the type of research (design, methodology, approach) falls within the boundaries of operations research”
OR uses research techniques to help choose among alternative uses of resources to meet program objectives
.
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OBJECTIVE OF OR
To provide the information to program managers and policy decision makers to improve and expand existing services.
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HISTORY Charles Babbage –(1791-1871) Believed to be father of OR 1940- World war II –team of UK scientists applied scientific
techniques to research military operations to win the war and the technique was named as OR
World war II- Aim of OR was to discover most efficient usage of limited military resources by application of quantitative techniques.
Conclusion of war- defence research in US was increased and OR expanded to other departments.
1951- 1st Book On “Methods of Operations Research” by Morse & kimball
India-Operational research society was founded in 1957
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FEATURES OF OR
Decision-making: Every organisation faces multifaceted problems to identify best possible solution to their problems.
OR aims to help the executives to obtain optimal solution with the use of OR techniques.
Also helps the decision maker to improve his creative and judicious capabilities, analyse and understand the problem situation leading to better control, better co-ordination, better systems and finally better decisions
Scientific approach- Scientific methods, techniques and tools for analysis and solution of complex problems.
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Inter-disciplinary Team Approach : Every problem needs team effort to handle it. It needs Study Between various parameters and evaluate the outcome
System Approach.-To trace for each proposal all significant and indirect effects on all sub-system and to evaluate each action in terms of outcome
Use of Computers– Possible to handle complex problems requiring large amount of analysis /calculations.
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WHO IDENTIFIES OR PROBLEMS The patient The programme staff The programme manager The district manager National staff Team approach is needed to identify the problem
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OR METHODOLOGY
Operations Research
Problem Solution Analysis Development
Solution Validation
Evaluation Implementation
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APPROACH TO CARRY OR
Approach Definition Advantage ExamplePrimary level research
as factual, first hand accounts of the study written by a person who was part of the study▪Written by researcher
▪ Original study▪ Addresses the issues specific to the situation
Surveys,(FP)Interviews,Screening,Personal talk,Observations
Secondary data analysis as retrospective record reviews
defined as an analysis and interpretation of primary research▪Re-examination
▪Getting information easily in least possible time,▪Minimum ethical challenges
*Switch over from 3 sputum examination to-2 smear in diagnosing Pulmonary TB
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TYPES OF OR STUDIES
Exploratory or diagnostic Field intervention Monitoring and Evaluative Cost effectiveness
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EXPLORATORY STUDY
Help in problem identification Gathers information about interests , attributes ,and need
of population. Methods
Qualitative Quantitative ▸Interviews Cross-sectional▸ ▸ Observations Case control▸ ▸ Group discussions Cohort studies▸
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INTERVENTION STUDY
Quasi experimental study Intervention and comparison Pre-post test studies Randomized experiments Highest level of
evidence on effectiveness and efficiency best Choice for implementation.
Eg: cluster randomised trial In AP –evaluate neonatal mortality reduction
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MONITORING AND EVALUATION
Input , processes Outcome /Impact and outputs evaluation
Eg: RAHI-Rapid appraisal of innovative health interventions under NRHM
M’ OR E’
Continuous Data collection Implementation Measuring the implementation
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ECONOMIC ANALYSIS
Costing and calculating cost effectiveness Looking for less expensive pathways Eg. Can nurses do the same job as a doctor ?
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SCOPE OF OR National Planning And Budgeting-Preparation of
Five years plans, health services and national health Programmes.
Defence services Industrial establishment and Private sector units Research and development and Engineering Business management Agriculture and irrigation Education and training- In Training out the
participatory to meet the national project requirements.
Transportation
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OR STUDIES IN INDIA
1) Author--Babu et al. (2008) Study type—Cross sectional Objective--To evaluate reasons for Treatment non-initiation
in smear positive pulmonary TB patients diagnosed and reported as initial defaulters (ID) in 20 dist.. Of AP
Result-1304 ID, 619 (47.5%) place on Treatment. Out of confirmed (685) ID, 51% were untraceable, 22 % -died before initiation, 5.5% Treated Privately, & 13.5%- had other reasons
Program relevance/Policy -Inadequate documentation of referrals, delays in treatment initiation and registration along with deficiencies in address, documentation were highlighted areas for programme improvement
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2) Authors- Bang & co-workers (1993-2003) Study type- Field trial Objectives- Reduction of neonatal mortality in
Gadchiroli by Home Based Neonatal care( HBNC) by capacity building of village level workers Results- Study was conducted in 39 interventions
and 47 control villages in district Demo significantly declined neonatal, infant and
perinatal mortality rates Programme /policy relevance-These study with
International evidence on same -2 projects were Initiated
ANKUR (2001-05)-In 7 sites in Maharashtra ICMR-5 sites HBNC is adopted in few dist.
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3) Author- Patel et al.(2003) Study type- Economic analysis Objectives- To ascertain the efficiency of zinc and
copper supplementation in the treatment of acute diarrhoea under 5 years.
Results- The study demonstrated lower cost of treating acute diarrhoea, lower cost per unit health and incremental cost effectiveness ratio
Programme / policy relevance- Cost savings as evidenced by the study makes a stronger case for micronutrients supplementation as an adjunct therapy to ORS management
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IMPORTANCE OF OR Global fund believes OR has important role to
play in success and strengthening of health program
GF support helps to build program’s overall research capacity and ability from data and implementation-helps
Eg.1.Systems for delivering antiretroviral treatment (ART) identifying seeking among different population groups, Tanzania
2.Rapid diagnostic test vs. microscopy for malaria in peripheral health facilities , Afghanistan
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OUTCOME MEASURES OF OR Publications Capacity building of service providers and
academic researchers Changes in practice and /or policy
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OR AND PUBLIC HEALTH INDIA
Organises Short term training courses as a part of National Health programmes
Short-term training projects Medical colleges also organises research workshops Public health institutions-NIHFW,PHFI WHO-India and USEA initiated TB-OR to develop capacity
of professional associated with RNTCP
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ORGANISATIONS FUNDING/SUPPORTING OROrganisation Web Links
Bill & Melinda Gates foundation
Grand challenges explorations website
www.gatesfoundation.org/default.htmwww.gcgh.org/explorations/pages/introduction.aspx
Council for the development of Social science research in africa
CODESRIA-pioneer African social research organization
www.codesria.org/french/default.htmTraining Grants and Fellowshipswww.codesria.org/training_grants.htm
Global fund to fight AIDS,TB and Malaria
Finances AIDS Tb and MalariaOr proposal must be as part of national disease control proposals
www.theglobalfund.org/en/
International development Research centre
IDRC-Canada-buil healtheier,equitable and prosperous societies
www.idrc.org/en/ev-1-201-1-DO_TOPIC.html
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REFERENCES
1. Malhotra S, Zodpey SP. Operations research in public health. Indian J Public Health. 2011; 54(3) :145–50. 2. The Global fund, USAID, WHO, framework for operations and Implementation research in Health and Disease Control Programs,2013 3. The Global WHO, Guide to operational Research in Programs Supported by the Global Fund,2010 4. Y.Liker Topcu, PhD & Ozgur kabak, Ph.D, Operations research Lecture Notes ( 2015-2016)