Using survey data to assess neonatal tetanus mortality levels and trends in developing countries

Area of Science:

• Public Health
• Demography
• Epidemiology

Background:

• Demographic and health surveys offer valuable data on neonatal mortality in developing countries.
• Mortality between 4-14 days of life serves as a key indicator for neonatal tetanus.
• Analyzing this data is crucial for understanding mortality trends and intervention effectiveness.

Purpose of the Study:

• To evaluate the quality of neonatal mortality data from national surveys.
• To estimate the levels and trends of mortality occurring between 4-14 days of life.
• To assess the impact of neonatal tetanus reduction programs on mortality rates.

Main Methods:

• Analysis of birth history data from 37 national demographic and health surveys.
• Focus on mortality occurring in the post-immediate neonatal period (4-14 days).
• Comparison of mortality trends with the development and expansion of tetanus prevention programs.

Main Results:

• Mortality at 4-14 days has shown a considerable decline in most developing countries over the last decade.
• This decline correlates with the expansion of programs aimed at reducing neonatal tetanus.
• The reduction in neonatal tetanus mortality appears to be a significant factor in the overall decrease of neonatal and infant mortality during the 1980s.

Conclusions:

• Neonatal tetanus mortality has decreased substantially in developing countries.
• Interventions targeting neonatal tetanus have been effective.
• Reductions in neonatal tetanus mortality have likely played an important role in improving overall child survival rates.