Modeling the effects of immunizations timing on child health outcomes in India
Alok Bhargava1, Aravinda M Guntupalli, Michael Lokshin
1University of Maryland School of Public Policy, College Park, MD, USA.
Insights
Vaccination cards improve timely childhood immunizations in developing nations, reducing illness and death. Ensuring children receive vaccines on schedule is crucial for global health and development goals.
Area of Science:
- Global Health
- Pediatric Medicine
- Public Health Policy
Background:
- Timely childhood vaccinations are critical for reducing morbidity and mortality in developing countries, aligning with Millennium Development Goals.
- A significant gap exists as most children lack vaccination cards detailing immunization schedules.
- Understanding factors influencing vaccination uptake and child morbidity is essential for public health interventions.
Purpose of the Study:
- To investigate the impact of vaccination cards on the uptake of essential immunizations (diphtheria, pertussis, tetanus, polio, tuberculosis, measles) in Indian children.
- To examine methodological considerations, including the potential influence of child morbidity on vaccination decisions.
- To identify socioeconomic and healthcare access factors associated with timely vaccinations and reduced child morbidity.
Main Methods:
- Analysis of data from over 200,000 Indian children using the District Level Health and Facility Survey 3.
- Statistical modeling to assess the effects of vaccination cards, maternal education, household assets, and healthcare access on immunization rates.
- Exploration of interactions between maternal education, healthcare access, and vaccination timing.
- Investigation of the association between timely vaccinations, environmental factors (water access, cooking fuel), and child morbidity (diarrhea, cough, fever).
Main Results:
- Maternal education, household possessions, and access to healthcare facilities significantly benefited the uptake of diphtheria, pertussis, tetanus (DPT), polio, measles, and tuberculosis (BCG) vaccinations.
- Significant interactions were found between maternal education and healthcare access/availability concerning children's vaccination ages.
- Timely DPT vaccinations, access to piped water, and use of electricity or natural gas for cooking were linked to lower rates of child morbidity from diarrhea, cough, and fever.
Conclusions:
- Issuing vaccination cards, whether paper or electronic, is likely to enhance the timely administration of various immunizations.
- Improved vaccination card accessibility can contribute to reduced child morbidity and mortality, supporting public health objectives.
- Socioeconomic factors and improved healthcare infrastructure play a vital role in achieving optimal childhood immunization coverage and health outcomes.
Abstract:
Timely vaccinations of children in developing countries are important for reducing morbidity and mortality, which are Millennium Development Goals. However, a majority of children do not possess vaccination cards compiling information on timing. We investigated the benefits of vaccination cards for the uptake of immunizations against diphtheria, pertussis and tetanus (DPT), polio, tuberculosis (BCG), and measles using data on over 200,000 Indian children from the District Level Health and Facility Survey 3. Methodological issues such as whether parents of children with higher morbidity levels may have them vaccinated were investigated. The results from the models for DPT, polio, measles, and BCG vaccinations showed significant beneficial effects of maternal education, household possessions, and access to health care facilities. Moreover, models for children's ages at the time of vaccination showed significant interactions between maternal education and access to and availability of health care facilities. Finally, models for child morbidity due to diarrhea, cough, and fever showed that timely vaccinations against DPT, access to piped water, and cooking with electricity or natural gas were associated with lower morbidity. Overall, issuing paper or electronic vaccination cards to children is likely to enhance timely uptake of various immunizations thereby reducing child morbidity.
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