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Costa FS, Silva LA, Cata-Preta BO, Santos TM, Ferreira LZ, Mengistu T, Hogan DR, Barros AJ, Victora CG. Child immunization status according to number of siblings and birth order in 85 low- and middle-income countries: a cross-sectional study. EClinicalMedicine 2024; 71:102547. [PMID: 38524919 PMCID: PMC10958219 DOI: 10.1016/j.eclinm.2024.102547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/22/2024] [Accepted: 02/29/2024] [Indexed: 03/26/2024] Open
Abstract
Background Identification of unvaccinated children is important for preventing deaths due to infections. Number of siblings and birth order have been postulated as risk factors for zero-dose prevalence. Methods We analysed nationally representative cross-sectional surveys from 85 low and middle-income countries (2010-2020) with information on immunisation status of children aged 12-35 months. Zero-dose prevalence was defined as the failure to receive any doses of DPT (diphtheria-pertussis-tetanus) vaccine. We examined associations with birth order and the number of siblings, adjusting for child's sex, maternal age and education, household wealth quintiles and place of residence. Poisson regression was used to calculate zero-dose prevalence ratios. Findings We studied 375,548 children, of whom 13.7% (n = 51,450) were classified as zero-dose. Prevalence increased monotonically with birth order and with the number of siblings, with prevalence increasing from 11.0% for firstborn children to 17.1% for birth order 5 or higher, and from 10.5% for children with no siblings to 17.2% for those with four or more siblings. Adjustment for confounders attenuated but did not eliminate these associations. The number of siblings remained as a strong risk factor when adjusted for confounders and birth order, but the reverse was not observed. Among children with the same number of siblings, there was no clear pattern in zero-dose prevalence by birth order; for instance, among children with two siblings, the prevalence was 13.0%, 14.7%, and 13.3% for firstborn, second, and third-born, respectively. Similar results were observed for girls and boys. 9513 families had two children aged 12-35 months. When the younger sibling was unvaccinated, 61.9% of the older siblings were also unvaccinated. On the other hand, when the younger sibling was vaccinated, only 5.9% of the older siblings were unvaccinated. Interpretation The number of siblings is a better predictor than birth order in identifying children to be targeted by immunization campaigns. Zero-dose children tend to be clustered within families. Funding Gavi, the Vaccine Alliance.
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Affiliation(s)
- Francine S. Costa
- International Center for Equity in Health, Federal University of Pelotas, Pelotas, Brazil
| | - Larissa A.N. Silva
- International Center for Equity in Health, Federal University of Pelotas, Pelotas, Brazil
- Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil
| | - Bianca O. Cata-Preta
- International Center for Equity in Health, Federal University of Pelotas, Pelotas, Brazil
- Public Health Department, Federal University of Parana, Curitiba, Brazil
| | - Thiago M. Santos
- International Center for Equity in Health, Federal University of Pelotas, Pelotas, Brazil
- Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil
| | - Leonardo Z. Ferreira
- International Center for Equity in Health, Federal University of Pelotas, Pelotas, Brazil
| | | | | | - Aluisio J.D. Barros
- International Center for Equity in Health, Federal University of Pelotas, Pelotas, Brazil
- Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil
| | - Cesar G. Victora
- International Center for Equity in Health, Federal University of Pelotas, Pelotas, Brazil
- Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil
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Williams SV, Akande T, Abbas K. Systematic review of social determinants of childhood immunisation in low- and middle-income countries and equity impact analysis of childhood vaccination coverage in Nigeria. PLoS One 2024; 19:e0297326. [PMID: 38446836 PMCID: PMC10917251 DOI: 10.1371/journal.pone.0297326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 12/22/2023] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND Nigeria has a high proportion of the world's underimmunised children. We estimated the inequities in childhood immunisation coverage associated with socioeconomic, geographic, maternal, child, and healthcare characteristics among children aged 12-23 months in Nigeria using a social determinants of health perspective. METHODS We conducted a systematic review to identify the social determinants of childhood immunisation associated with inequities in vaccination coverage among low- and middle-income countries. Using the 2018 Nigeria Demographic and Health Survey (DHS), we conducted multiple logistic regression to estimate the association between basic childhood vaccination coverage (1-dose BCG, 3-dose DTP-HepB-Hib (diphtheria, tetanus, pertussis, hepatitis B and Haemophilus influenzae type B), 3-dose polio, and 1-dose measles) and socioeconomic, geographic, maternal, child, and healthcare characteristics in Nigeria. RESULTS From the systematic review, we identified the key determinants of immunisation to be household wealth, religion, and ethnicity for socioeconomic characteristics; region and place of residence for geographic characteristics; maternal age at birth, maternal education, and household head status for maternal characteristics; sex of child and birth order for child characteristics; and antenatal care and birth setting for healthcare characteristics. Based of the 2018 Nigeria DHS analysis of 6,059 children aged 12-23 months, we estimated that basic vaccination coverage was 31% (95% CI: 29-33) among children aged 12-23 months, whilst 19% (95% CI:18-21) of them were zero-dose children who had received none of the basic vaccines. After controlling for background characteristics, there was a significant increase in the odds of basic vaccination by household wealth (AOR: 3.21 (2.06, 5.00), p < 0.001) for the wealthiest quintile compared to the poorest quintile, antenatal care of four or more antenatal care visits compared to no antenatal care (AOR: 2.87 (2.21, 3.72), p < 0.001), delivery in a health facility compared to home births (AOR 1.32 (1.08, 1.61), p = 0.006), relatively older maternal age of 35-49 years compared to 15-19 years (AOR: 2.25 (1.46, 3.49), p < 0.001), and maternal education of secondary or higher education compared to no formal education (AOR: 1.79 (1.39, 2.31), p < 0.001). Children of Fulani ethnicity in comparison to children of Igbo ethnicity had lower odds of receiving basic vaccinations (AOR: 0.51 (0.26, 0.97), p = 0.039). CONCLUSIONS Basic vaccination coverage is below target levels for all groups. Children from the poorest households, of Fulani ethnicity, who were born in home settings, and with young mothers with no formal education nor antenatal care, were associated with lower odds of basic vaccination in Nigeria. We recommend a proportionate universalism approach for addressing the immunisation barriers in the National Programme on Immunization of Nigeria.
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Affiliation(s)
| | - Tanimola Akande
- Department of Epidemiology & Community Health, University of Ilorin, Ilorin, Nigeria
| | - Kaja Abbas
- Department of Infectious Disease Epidemiology and Dynamics, London School of Hygiene & Tropical Medicine, London, United Kingdom
- School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan
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Budu E, Ahinkorah BO, Guets W, Ameyaw EK, Essuman MA, Yaya S. Socioeconomic and residence-based related inequality in childhood vaccination in Sub-Saharan Africa: Evidence from Benin. Health Sci Rep 2023; 6:e1198. [PMID: 37091357 PMCID: PMC10117389 DOI: 10.1002/hsr2.1198] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/03/2023] [Accepted: 03/30/2023] [Indexed: 04/25/2023] Open
Abstract
Background and Aims Childhood vaccination remains a cost-effective strategy that has expedited the control and elimination of numerous diseases. Although coverage of new vaccines in low- and middle-income countries increased exponentially in the last two decades, progress on expanding routine vaccination services to reach all children remains low, and coverage levels in many countries remains inadequate. This study aimed to examine the pattern of wealth and residence-based related inequality in vaccination coverage through an equity lens. Methods We used data from the 2017-2018 Benin Demographic and Health Survey. Statistical and econometrics modeling were used to investigate factors associated with childhood vaccination. The Wagstaff decomposition analysis was used to disentangle the concentration index. Results A total of 1993 children were included, with 17% in the wealthiest quintile and 63% were living in rural areas. Findings showed that wealth is positively and significantly associated with vaccination coverage, particularly, for middle-wealth households. A secondary or higher education level of women and partners increased the odds of vaccination compared to no education (p < 0.05). Women with more antenatal care visits, with multiple births, attending postnatal care and delivery in a health facility had increased vaccination coverage (p < 0.01). Inequalities in vaccination coverage are more prominent in rural areas; and are explained by wealth, education, and antenatal care visits. Conclusion Inequality in child vaccination varies according to socioeconomic and sociodemographic characteristics and is of interest to health policy. To mitigate inequalities in child vaccination coverage, policymakers should strengthen the availability and accessibility of vaccination and implement educational programs dedicated to vulnerable groups in rural areas.
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Affiliation(s)
| | - Bright O. Ahinkorah
- School of Public Health, Faculty of HealthUniversity of Technology SydneySydneyAustralia
- REMS Consult LimitedSekondi‐TakoradiGhana
| | - Wilfried Guets
- Health, Nutrition, and Population Unit, The World BankParisFrance
| | - Edward K. Ameyaw
- Institute of Policy Studies and School of Graduate StudiesLingnan UniversityLingnanHong Kong
- L & E Research Consult LtdWaGhana
| | - Mainprice A. Essuman
- Department of Medical Laboratory Science, School of Allied Health Sciences, College of Health and Allied SciencesUniversity of Cape CoastCape CoastGhana
| | - Sanni Yaya
- School of International Development and Global StudiesUniversity of OttawaOttawaCanada
- The George Institute for Global Health, Imperial College LondonLondonUK
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Aziz N, Liu T, Yang S, Zukiewicz-Sobczak W. Causal relationship between health insurance and overall health status of children: Insights from Pakistan. Front Public Health 2022; 10:934007. [PMID: 36568764 PMCID: PMC9768499 DOI: 10.3389/fpubh.2022.934007] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 10/18/2022] [Indexed: 12/12/2022] Open
Abstract
Evaluating the impact of health insurance always remains a methodologically challenging endeavor due to the absence of sample randomization. This paper evaluates the impact of health insurance on the health status of children in Pakistan using the data of the Multiple Indicator Cluster Survey (MICS) for Punjab, Pakistan, from 2017 to 2018. The study adopted the propensity score matching (PSM) method to address the sample selection bias. The sample is matched on potential covariates such as mother characteristics (education level), household head characteristics (gender, age, and education), and other household conditions (such as home dwelling, internet access, wealth index, migration member, number of children residing in the home, as child illness, etc.). The findings revealed that children with insurance have considerably better health than non-insured, at a 1% significance level. The results confirm that health insurance is not a luxury but a need that improves children's overall health. In this regard, governments should enhance and expand programs related to health insurance, especially for children. Health insurance programs will not only help poor people but also improve the overall infrastructure of health services in the country.
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Affiliation(s)
- Noshaba Aziz
- School of Economics, Shandong University of Technology, Zibo, China
| | - Tinghua Liu
- School of Economics, Shandong University of Technology, Zibo, China
| | - Shaoxiong Yang
- College of Economics and Management, Northwest A&F University, Xianyang, China
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Ali HA, Hartner AM, Echeverria-Londono S, Roth J, Li X, Abbas K, Portnoy A, Vynnycky E, Woodruff K, Ferguson NM, Toor J, Gaythorpe KA. Vaccine equity in low and middle income countries: a systematic review and meta-analysis. Int J Equity Health 2022; 21:82. [PMID: 35701823 PMCID: PMC9194352 DOI: 10.1186/s12939-022-01678-5] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 05/17/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Evidence to date has shown that inequality in health, and vaccination coverage in particular, can have ramifications to wider society. However, whilst individual studies have sought to characterise these heterogeneities in immunisation coverage at national level, few have taken a broad and quantitative view of the contributing factors to heterogeneity in immunisation coverage and impact, i.e. the number of cases, deaths, and disability-adjusted life years averted. This systematic review aims to highlight these geographic, demographic, and sociodemographic characteristics through a qualitative and quantitative approach, vital to prioritise and optimise vaccination policies. METHODS A systematic review of two databases (PubMed and Web of Science) was undertaken using search terms and keywords to identify studies examining factors on immunisation inequality and heterogeneity in vaccination coverage. Inclusion criteria were applied independently by two researchers. Studies including data on key characteristics of interest were further analysed through a meta-analysis to produce a pooled estimate of the risk ratio using a random effects model for that characteristic. RESULTS One hundred and eight studies were included in this review. We found that inequalities in wealth, education, and geographic access can affect vaccine impact and vaccination dropout. We estimated those living in rural areas were not significantly different in terms of full vaccination status compared to urban areas but noted considerable heterogeneity between countries. We found that females were 3% (95%CI[1%, 5%]) less likely to be fully vaccinated than males. Additionally, we estimated that children whose mothers had no formal education were 28% (95%CI[18%,47%]) less likely to be fully vaccinated than those whose mother had primary level, or above, education. Finally, we found that individuals in the poorest wealth quintile were 27% (95%CI [16%,37%]) less likely to be fully vaccinated than those in the richest. CONCLUSIONS We found a nuanced picture of inequality in vaccination coverage and access with wealth disparity dominating, and likely driving, other disparities. This review highlights the complex landscape of inequity and further need to design vaccination strategies targeting missed subgroups to improve and recover vaccination coverage following the COVID-19 pandemic. TRIAL REGISTRATION Prospero, CRD42021261927.
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Affiliation(s)
| | | | | | - Jeremy Roth
- Imperial College London, Praed Street, London, UK
| | - Xiang Li
- Imperial College London, Praed Street, London, UK
| | - Kaja Abbas
- London School of Hygiene and Tropical Medicine, Keppel Street, London, UK
| | - Allison Portnoy
- Center for Health Decision Science, Harvard T H Chan School of Public Health, Cambridge, USA
| | | | - Kim Woodruff
- Imperial College London, Praed Street, London, UK
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Asif AM, Akbar M. Decomposing socio-economic inequality in vaccination coverage among Pakistani children: A population-based cross-sectional study. HEALTH & SOCIAL CARE IN THE COMMUNITY 2022; 30:602-611. [PMID: 32959465 DOI: 10.1111/hsc.13163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 07/16/2020] [Accepted: 08/17/2020] [Indexed: 06/11/2023]
Abstract
There is scarce knowledge about factors contributing to underlying inequalities in vaccination coverage among Pakistani children. Therefore, the main objective of this study is to measure and decompose socioeconomic inequalities in childhood vaccination coverage. Pakistan Demographic and Health Survey, version 2017-18, data were used for analysis. Bivariate association was checked through Chi-square test and concentration curve (CC) and concentration index (CI) were used to assess the existence and nature of inequality. Finally, decomposition analysis was performed to measure the contribution of different factors to the observed inequality. Our findings suggested that vaccination coverage is more concentrated among children of educated mothers (CI = 0.296) and decomposition results suggest that a substantial proportion of the inequality is explained by maternal education, wealth status, paternal education and improved sanitation (34%, 19%, 14% and 21% respectively). Also, differences are observed between regions regarding vaccination coverage. There is need of female-targeted interventions to increase maternal role in the society through better education and decision-making autonomy. Also, the policies to improve the household's wealth status should be considered.
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Affiliation(s)
- Atta M Asif
- Department of Mathematics and Statistics, Faculty of Basic and Applied Science, International Islamic University, Islamabad, Pakistan
| | - Muhammad Akbar
- Department of Mathematics and Statistics, Faculty of Basic and Applied Science, International Islamic University, Islamabad, Pakistan
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Srivastava S, Muhammad T, Rashmi R, Kumar P. Socioeconomic inequalities in non- coverage of full vaccination among children in Bangladesh: a comparative study of Demographic and Health Surveys, 2007 and 2017-18. BMC Public Health 2022; 22:183. [PMID: 35086495 PMCID: PMC8793237 DOI: 10.1186/s12889-022-12555-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 01/11/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Vaccination is considered as a powerful and cost-effective weapon against many communicable diseases. An increase in full vaccination among the most vulnerable populations in Bangladesh was observed in the last decade. This study aimed to capture the socioeconomic inequalities in non-coverage of full vaccination among children aged 12-23 months using the nationally representative data from the Bangladesh Demographic and Health Surveys (BDHS). METHODS Data for this study have been drawn from the 2007 and 2017-18 BDHS, which covered 10,996 and 20,127 ever-married women aged 15-49 years in 2007 and 2017-18, respectively. Binary logistic regression analysis was performed to find the factors associated with children who did not receive full vaccination. Further, the concentration index was used to observe the socioeconomic inequality for the outcome variable. RESULTS The proportion of children who did not get fully vaccinated decreased by more than 6 points (18.2 percent to 11.8 percent) between the years 2007 and 2017-18. In 2017-18, the odds of children who were not fully vaccinated were 58 percent and 53 percent less among mothers who had primary education in 2007 [adjusted odds ratio (AOR): 0.42; confidence interval (CI): 0.24-0.73] and 2017-18 [AOR: 0.47; CI: 0.23-0.94] respectively, compared to mothers with no education. The inequality for children who were not fully vaccinated had declined between two survey periods [concentration index (CCI) value of - 0.13 in 2007 and -0.08 in 2017-18]. The concentration of inequality in children with higher parity who did not receive full vaccination had increased from 5 percent in 2007 to 16.9 percent in 2017-18. There was a drastic increase in the socioeconomic inequality contributed by place of delivery from 2.9 percent (2007) to 60.5 percent (2017-18) among children who did not receive full vaccination. CONCLUSIONS The present study provide eminent evidence that non-coverage of full vaccination is more prevalent among children from poor households in Bangladesh, which is mainly associated with factors like mother's education, father's education and working status and household wealth index across the two rounds. These factors suggest multifaceted pro-poor interventions that will protect them from hardship and reduce their socioeconomic inequalities in coverage of full vaccination.
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Affiliation(s)
- Shobhit Srivastava
- International Institute for Population Sciences, Maharashtra 400088 Mumbai, India
| | - T. Muhammad
- International Institute for Population Sciences, Maharashtra 400088 Mumbai, India
| | - Rashmi Rashmi
- International Institute for Population Sciences, Maharashtra 400088 Mumbai, India
| | - Pradeep Kumar
- International Institute for Population Sciences, Maharashtra 400088 Mumbai, India
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Nakambale HN, Bangalee V. Global Outsourcing and Local Tendering Supply Chain Systems in the Public Healthcare Sector: A Cost Comparison Analysis, Namibia. Value Health Reg Issues 2021; 30:1-8. [PMID: 34915421 DOI: 10.1016/j.vhri.2021.09.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 08/24/2021] [Accepted: 09/20/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To compare supplier prices for local tendering and global outsourcing supply chain systems that are used to purchase pharmaceutical products by the Ministry of Health in Namibia and to compare the supplier prices for both systems to the international reference buyer median prices. METHODS This study was quantitative in design and compared local and international supplier prices for a basket of vaccines, antiretrovirals, and anti-tuberculosis (TB) drugs from 2015 to 2020. Prices were retrieved from the procurement documents obtained from the Central Medical Stores division of the Ministry of Health, Namibia. The study also compared local and international supplier prices with the international reference buyer median prices obtained from the Management Sciences for Health International Drug Price Indicator Guide (2015 edition). RESULTS It was found that 77% of all the pharmaceutical products in the study were more expensive when obtained from the local suppliers than from international suppliers-that is, vaccines (70%), antiretrovirals (86.6%), and anti-TB drugs (67%). More than 50% of all the pharmaceutical products had local and international supplier prices, which were higher than the international reference buyer median prices. The price differentials were found to be higher for pharmaceutical products that were newly introduced into TB and human immunodeficiency virus treatment guidelines. CONCLUSIONS The study has concluded that local suppliers were costlier than international suppliers for vaccines, antiretrovirals, and anti-TB drugs. The international price comparisons have shown that there is a need for improving the pricing mechanisms in Namibia to reduce the prices of several essential medicines.
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Affiliation(s)
- Hilma N Nakambale
- Department of Pharmaceutical Sciences, University of KwaZulu-Natal, Durban, South Africa.
| | - Varsha Bangalee
- Department of Pharmaceutical Sciences, University of KwaZulu-Natal, Durban, South Africa
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Associated Factors for Dropout of First Vs Third Doses of Diphtheria Tetanus Pertussis (DPT) Vaccination in Nepal. Adv Prev Med 2021; 2021:1319090. [PMID: 33959398 PMCID: PMC8075685 DOI: 10.1155/2021/1319090] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 02/13/2021] [Accepted: 04/05/2021] [Indexed: 11/17/2022] Open
Abstract
Background Immunization acts as a key intervention to reduce under-five mortality and morbidity. Despite global progress on vaccination, difficulties in the utilization of this service in developing countries have been observed. According to Nepal Demographic and Health Survey (NDHS) 2016, only 78% of children received a complete dose of vaccine among which the first-dose receiver of DPT is 98%, whereas only 83% received a third dose. This study aims to explore the influencing factors of DPT vaccination dropout in Nepal. Methods The explorative study was done through secondary data analysis of NDHS 2016. The KR file was used for the analysis of information for 2883 children. Factors influencing dropout of DPT vaccination were explored against the independent variables such as external environment, predisposing factors, and enabling resources. All the analyses were weighted before the analysis. The descriptive, bivariate, and multivariate analyses were performed. The variables showing collinearity have been removed in the final model. Results A higher dropout was reported in Terai (18.9%) and province 2 (22.0%), among uneducated mothers (18.1%) and uneducated fathers (19.4%), less than once a week internet users (22.2%), the nonradio listener (17.4%), who had <4 ANC visits (22.7%), home delivery (19.2%), no advised SBA (19.1%), long distance to health facility (17.9%), no iron supplementation in pregnancy (24.3%), and PNC by TBA/others (21.1%). All these tested relationships were found statistically significant (P value <0.05). The aOR for dropout was found to be 7.94 (4.07–15.51) for mothers with less than 4 or no ANC visit, long distance to health facility 4.68 (1.98–10.67), province 2 3.53 (1.13–11.03), and mother without formal employment 2.33 (1.52–3.55). Conclusion Factors related to health services, distance, provinces, and socioeconomic status of the family were influencers for vaccine dropout. Targeted intervention towards disadvantaged regions, counseling the mother during ANC, improving the education status of parents, access to the health facility, and use of mass media for advocacy are hereby recommended.
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Bobo FT, Hayen A. Decomposition of socioeconomic inequalities in child vaccination in Ethiopia: results from the 2011 and 2016 demographic and health surveys. BMJ Open 2020; 10:e039617. [PMID: 33082196 PMCID: PMC7577064 DOI: 10.1136/bmjopen-2020-039617] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES Monitoring and addressing unnecessary and avoidable differences in child vaccination is a critical global concern. This study aimed to assess socioeconomic inequalities in basic vaccination coverage among children aged 12-23 months in Ethiopia. DESIGN, SETTING AND PARTICIPANTS Secondary analyses of cross-sectional data from the two most recent (2011 and 2016) Ethiopia Demographic and Health Surveys were performed. This analysis included 1930 mother-child pairs in 2011 and 2004 mother-child pairs in 2016. OUTCOME MEASURES Completion of basic vaccinations was defined based on whether a child received a single dose of Bacille Calmette-Guerin (BCG), three doses of diphtheria, tetanus toxoids and pertussis (DTP), three doses of oral polio vaccine and one dose of measles vaccine. METHODS The concentration Curve and Concentration Indices (CCIs) were used to estimate wealth related to inequalities. The concentration indices were also decomposed to examine the contributing factors to socioeconomic inequalities in childhood vaccination. RESULTS From 2011 to 2016, the proportion of children who received basic vaccination increased from 24.6% (95% CI 21.4% to 28.0%) to 38.6% (95% CI 34.6% to 42.9%). While coverage of BCG, DTP and polio immunisation increased during the study period, the uptake of measles vaccine decreased. The positive concentration index shows that basic vaccination coverage was pro-rich (CCI=0.212 in 2011 and CCI=0.172 in 2016). The decomposition analysis shows that use of maternal health services such as family planning and antenatal care, socioeconomic status, exposure to media, urban-rural residence and maternal education explain inequalities in basic vaccination coverage in Ethiopia. CONCLUSIONS Childhood vaccination coverage was low in Ethiopia. Vaccination was less likely in poorer than in richer households. Addressing wealth inequalities, enhancing education and improving maternal health service coverage will reduce socioeconomic inequalities in basic vaccination uptake in Ethiopia.
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Affiliation(s)
- Firew Tekle Bobo
- Department of Public Health, Institute of Health Sciences, Wollega University, Nekemte, Ethiopia
- School of Public Health, Faculty of Health, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Andrew Hayen
- School of Public Health, Faculty of Health, University of Technology Sydney, Sydney, New South Wales, Australia
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Hajizadeh M, Nghiem S. Does unwanted pregnancy lead to adverse health and healthcare utilization for mother and child? Evidence from low- and middle-income countries. Int J Public Health 2020; 65:457-468. [PMID: 32270238 PMCID: PMC7275006 DOI: 10.1007/s00038-020-01358-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVES Unwanted pregnancy is an important public health concern in low- and middle-income countries (LMICs). Using a pooled dataset from 48 Demographic Health Surveys conducted in Africa, Asia, Latin America and Europe (n = 494,778), we examined the effect of unwanted pregnancy on maternal and child healthcare utilization and child health outcomes in LMICs. METHODS We used logistic regression models to estimate the effect of unwanted pregnancy on antenatal care use, supervised delivery, childhood vaccination and three indicators of child health, viz. stunting (height-for-age), underweight (weight-for-age) and wasting (weight-for-height). RESULTS We found that mothers of children whose pregnancies had been unwanted had a lower probability of attending four or more antenatal care visits by 3.6% (95% confidence interval = 1.9-5.4%) compared to those whose pregnancy was wanted. We did not find significant impacts of unwanted pregnancy on supervised delivery, childhood vaccination uptake or child health indicators. CONCLUSIONS Birth characteristics, household-level determinants and country-level characteristics seem to be more closely related to maternal and child healthcare utilization as well as child health outcomes than whether the pregnancy was wanted or unwanted in LMICs.
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Affiliation(s)
- Mohammad Hajizadeh
- School of Health Administration, Faculty of Health, Dalhousie University, Sir Charles Tupper Medical Building, 5850 College Street, 2nd Floor, Halifax, NS, B3H 4R2, Canada.
| | - Son Nghiem
- The Centre for Applied Health Economics, Griffith University, Brisbane, Australia
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