Factors Affecting on Child Survival in Bangladesh: Cox Proportional Hazards Model Analysis
M Rahman
Keywords
anc, bangladesh, childhood mortality, cox proportional hazards model, delivery assistance
Citation
M Rahman. Factors Affecting on Child Survival in Bangladesh: Cox Proportional Hazards Model Analysis. The Internet Journal of Tropical Medicine. 2008 Volume 6 Number 1.
Abstract
This paper focuses mainly on the impact of utilization of heath care services on child mortality, using data from the 2004 Bangladesh Demographic and Health survey (BDHS, 2004). The study elucidate that 1 in 11 children born in Bangladesh dies before reaching the fifth birthday, while 1 in 15 children dies before reaching the first birthday. A child’s risk of dying is highest during the first month of life. From relative hazards we found that child mortality is higher among mothers who do not take sufficient ANC and also not receive assistance from medically trained personnel. Mothers whose place of delivery is any hospital were reported less child mortality as against their opposite counterparts. The result suggests that certain socioeconomic factors like mothers and father’s education are related to reduce the child mortality risks. An increase of one moth in the duration of breastfeeding by mothers decreases the hazard risks of child mortality. The household infrastructure variables like household electricity and household assets index seems to have little insight relationship with child mortality. The mortality hazard is 1.32 times higher if there is no provision of electricity in the household. Child mortality was reported 0.72 and 0.53 times less among mothers whose household’s assets position is medium and higher than lower index.
Introduction
Infant and child mortality that is the mortality during the first year of life and the mortality during 1-4 years of life respectively has traditionally been considered an important indicator for describing mortality conditions, health progress and indeed the overall social and economic well-being of a country
Infant and child mortality in Bangladesh has long been a topic of interest to population and health researchers because of its apparent relationship with fertility and indirectly with acceptance of modern contraception
The children who constitute a large proportion of the total population of Bangladesh are a vulnerable or special risk group, deserving special health care as the child mortality and morbidity risks are much higher then at older ages. Child mortality is determined by an enormous no. of complex and interrelated factors
Data Sources and Methodology
This study utilizes the data extracted from 2004 Bangladesh Demographic and Health Survey (BDHS), which were conducted under the authority of the National Institute of Population Research and Training of the Ministry of Health and Family Welfare in Bangladesh. The study considered only the child for the last five years preceding the survey. In order to fulfill our objectives during the time span 2000-2004, 4873 sample has identified considering the women who have at least one child (live or dead).Considering the fact that among multivariate techniques the Cox’s proportional hazards model is algebraically simple, computationally straightforward and efficient with acceptable degree of precision for analyzing survival data, this study applied Cox’s proportional hazards model
Results
Trends in Childhood Mortality in Bangladesh
Mortality rates for children under five years of age are presented in Table 1 for the five-year period preceding surveys. The under-five mortality rate for the most recent five-year period (which roughly corresponds to the period 1999-2003) is 88 deaths per 1,000 live births, and infant mortality is 65 deaths per 1,000 life births. This means that 1 in 11 children born in Bangladesh dies before reaching the fifth birthday, while 1 in 15 children dies before reaching the first birthday. A child’s risk of dying is highest during the first month of life. Almost half of all under-five deaths occur during the neonatal period about a quarter occurs during the post neonatal period, and another quarter occurs between ages 1 and 4 years.
The trend analysis shows that mortality estimates show continued declines in child (age 1-4 years) and under-five mortality (Table 1). Between the two most recent five-year periods, there was 20 percent decline in child mortality and 6 percent decline in under-five mortality. Infant mortality seems to have leveled off during recent years. In order to reduce infant mortality in Bangladesh, program may need to focus on reducing neonatal deaths since most infant deaths occur during the first month of life
Effects of Maternity Care on Child Survival
Proportion hazard model indicates that the covariates such as mothers education, sources of antenatal care, assistance during delivery, place of delivery, duration of breastfeeding, father’s education, sources of drinking water, electricity in the household and household assets index have potential significant effect on the child survival of mothers. Child mortality is 2.15 times and 3.09 times higher among the mothers with receiving insufficient antenatal care and avoids any care as compared to the mothers who were taking sufficient antenatal care from doctors, nurses or other government medically trained persons.
Figure 2
Delivery assistance has positive significant effect on child mortality. Mothers who received assistance during delivery from TBA and other persons, child death rate is 1.4 times and 2.93 times higher than mothers taking assistance from medically trained personnel. Mother’s place of delivery has also strong positive effects on their child mortality. Child death rate is 0.8 times lower among mothers whose place of delivery was government or private hospitals than respondent’s whose place of delivery was in others home. On the other hand this rate is higher among mothers whose place of delivery was in others sides such as public place than mother’s delivery place in their homes or other relative or friends home.
It is observed from the analysis that even after controlling demographic factors, the utilization of antenatal care (ANC), and assistance during delivery provides moderate significance effect upon child mortality. Mothers’ higher education has strong positive effects on child mortality. Women’s with primary education are reported 1.25 times more child death rate compared with women who have no formal schooling. But mothers who are secondary and higher educated are 0.44 times and 0.185 times less reported child death rate compared than mothers with no education. Fathers’ with higher education, secondary education and primary education are 0.66 times, 0.60 times and 0.213 times less reported their children deaths compared who has no formal schooling. The results suggest that certain socioeconomic factors like mothers’ and father’ education related to child mortality risks
An increase of one month in the duration of breastfeeding by mothers decreases the hazards risk of child mortality. Mothers who breastfed their child in 11 to 23 months and more than 23 months are reported less child mortality in 0.45 times and 0.39 times than mothers whose children were never breastfed. Safe drinking water is one of the most important factors for leading a safe life. Child who was using well water for drinking purposes among mothers are reported 1.46 times more mortality rate than the mothers whose children were using piped water. This rate is also increasing for others sources of drinking water.
The household infrastructure variables like, household has electricity and household assets index seems to have little insight relationship with child mortality. The mortality hazard is 1.32 times higher if there is no provision of electricity in the household. Child mortality was reported 0.72 times and 0.53 times less in whose households’ assets position is medium and higher than lower index.
Discussions
From the trend analysis we observed that 1 in 11 children born in Bangladesh dies before reaching the fifth birthday, while 1 in 15 children dies before reaching the first birthday. A child’s risk of dying is highest during the first month of life. Almost half of all under-five deaths occur during the neonatal period about a quarter occurs during the post neonatal period, and another quarter occurs between ages 1 and 4 years.
An increase of one moth in the duration of breastfeeding by mothers decreases the hazard risks of child mortality. Mothers who breastfeed their child in 11 to 23 months and more than 23 months are reported 0.45 and 0.39 times less child mortality than mothers whose children were never breastfed. Safe drinking water is one of the most important factors leading to a safe life. Mothers whose child using well water for drinking purposes is reported 1.46 times more mortality rate than the mothers whose children were using piped water. This rate is also increasing for other sources of drinking water. The household infrastructure variables like household electricity and household assets index seems to have little insight relationship with child mortality. The mortality hazard is 1.32 times higher if there is no provision of electricity in the household. Child mortality was reported 0.72 and 0.53 times less among mothers whose household’s assets position is medium and higher than lower index.
Based on the discussion of this study some policy implications, comment and recommendations have been suggested that would help the government to take initiative to promote child health care and child survival.
Improving the household sanitation, provision of pure water i.e., clean water can help to prevent diarrhea. Water supply and health programme should give emphasis on hygiene education to encourage the use of safe water for hygiene. Hygiene sanitation facility can reduce morbidity to a great extent. So, initial steps should be taken with this regard for survival of the children.
Toilet facility should be developed and encourage people to build hygiene toilet at their home.
Female education should be encouraged particularly in the rural areas and working facility should make available to them. Education gives mothers more decision making power and increase the knowledge about the health facility for better survival of their child.
Mass media promotion programme should be taken to understand morbidity and encourage taking treatment.