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He S, Zhang H, Liu X, Li Y, Wang B, Zhang X, Chen H. Under-5, infant, and neonatal mortality trends and causes of death, 1991-2022: Findings from death surveillance in Xicheng district of Beijing, China. Prev Med Rep 2023; 36:102461. [PMID: 38116270 PMCID: PMC10728313 DOI: 10.1016/j.pmedr.2023.102461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 08/08/2023] [Accepted: 10/05/2023] [Indexed: 12/21/2023] Open
Abstract
Overall, China has made substantial progress in improving child survival over the past few decades, but a detailed understanding of child mortality trend at local level is limited. This study aimed to present a comprehensive analysis of under-5, infant, and neonatal mortality rates and its trend in Xicheng district of Beijing, China. We used the surveillance data of under-5 children reported by Preventive Health Department of Xicheng District Community Health Service Center from 1991 to 2022. The data was collected based on the Child Death Reporting Card of the Beijing Under-5 Mortality Rate Surveillance Network. Data check was performed by each community health service center and related medical institutions. We extracted data included maternal age, date of death, date of birth, gender, census register, classification of any causes of death, and utilization of healthcare services before death and doubly input it in the Excel 2016 program. Categorization of the causes of death was adapted by the International Categorization of Diseases (ICD-10). Mortality rates and distribution of the leading causes of death were analyzed with descriptive statistics and the Pearson's Chi-square test using SAS 14.0 software. The Chi-square trend test was used to explore the trends in mortality. Interrupted time series analysis (ITSA) was conducted to assess the impact of the two-child policy on mortality using STATA statistical packages. From 1991 to 2022, totally, there were 166,061 live births and 793 (4.78 ‰) under-5 deaths. The mortality rates of under-5 children, infants and neonates in Xicheng district decreased from 14.75 ‰, 11.25 ‰ and 8.00 ‰ to 1.03 ‰, 0.83 ‰ and 0.41 ‰ respectively. All mortality rates showed an overall significant decline trend (χ2 trend for neonatal = -15.8136, P trend for neonatal < 0.001; χ2 trend for infant = -17.6652, P trend for infant < 0.001; χ2 trend for under-5 = -18.9103, P trend for under-5 < 0.001). The leading causes of death among under-5 children were congenital heart disease (1.65 ‰), birth asphyxia (1.44 ‰), and other congenital abnormalities (except congenital heart disease and down's syndrome) (1.36 ‰). ITSA results showed that the two-child policy did not change the overall decreased trend of child mortality rates. Future preventive measures for child healthcare should give a priority for congenital heart disease, birth asphyxia, and other congenital abnormalities.
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Affiliation(s)
- Shuqing He
- Xicheng District Maternal and Child Health Hospital, Beijing 100054, PR China
| | - Haoran Zhang
- College of Preschool Education, Beijing Youth Politics College, Beijing 100102, PR China
| | - Xiaorong Liu
- Xicheng District Maternal and Child Health Hospital, Beijing 100054, PR China
| | - Yugang Li
- College of Preschool Education, Beijing Youth Politics College, Beijing 100102, PR China
| | - Bing Wang
- Xicheng District Maternal and Child Health Hospital, Beijing 100054, PR China
| | - Xiaowen Zhang
- Xicheng District Maternal and Child Health Hospital, Beijing 100054, PR China
| | - Huiyan Chen
- Xicheng District Maternal and Child Health Hospital, Beijing 100054, PR China
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Shaohua Y, Bin Z, Mei L, Jingfei Z, Pingping Q, Yanping H, Liping Z, Jiexin Y, Guoshun M. Maternal risk factors and neonatal outcomes associated with low birth weight. Front Genet 2022; 13:1019321. [PMID: 36299581 PMCID: PMC9589494 DOI: 10.3389/fgene.2022.1019321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 09/09/2022] [Indexed: 01/12/2023] Open
Abstract
This study aims to evaluate the incidence of low birth weight (LBW) and related maternal risk factors (during pregnancy or childbirth) and neonatal outcomes. A retrospective cross-sectional study design was used to select 7,421 pregnant women who gave birth in our hospital from January 2018 to June 2021. The data were analyzed using STATA 14.1, and the dependent variable (LBW) and risk were analyzed by the chi-square test of independence. The association between factors is used to determine the factors related to LBW through bivariate and multivariate logistic regression. The incidence of LBW in this study was 4.77%. Compared with single pregnant women, the probability of newborn LBW in married pregnant women is 40% lower (AOR = 0.60 95%CI: 0.40-0.90, p = 0.013). Compared with gestational age less than 37 weeks, the LBW probability of gestational age 37-42 and 42 weeks or older is 85 and 81% lower respectively (AOR = 0.15 95% CI: 0.10-0.24, p = 0.001; AOR = 0.19 95 %CI: 0.09-38, p = 0.001), compared with normal pregnant women, the probability of neonatal LBW among pregnant women with hypertension is 94% higher [AOR = 1.94 (95% CI: 1.39-2.74, p = 0.001). Compared with neonates with normal birth weight, neonates with LBW are at Apgar 1 min And Apgar 5 min score is lower than 7 (AOR = 0.52 95%CI: 0.37-0.73, p = 0.001, AOR = 0.54 95%CI: 0.38-0.75, p = 0.001) higher risk. In conclusion, women's marital status (single), gestational age (<37 weeks), and combined hypertension are independently associated with LBW, and the higher risk of Apgar 1 min and Apgar 5 min scores <7 is an independent result of LBW.
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Affiliation(s)
- Yang Shaohua
- Fuyang People’s Hospital Pediatrics, Fuyang, China
| | - Zheng Bin
- Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Liu Mei
- Fuyang People’s Hospital Pediatrics, Fuyang, China
| | - Zhai Jingfei
- Fuyang People’s Hospital Pediatrics, Fuyang, China
| | | | - He Yanping
- Fuyang People’s Hospital Pediatrics, Fuyang, China
| | - Zhu Liping
- Fuyang People’s Hospital Pediatrics, Fuyang, China
| | - Yan Jiexin
- Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Mao Guoshun
- Fuyang People’s Hospital Pediatrics, Fuyang, China
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Household food insecurity and physically demanding work during pregnancy are risk factors for low birth weight in north Shewa zone public hospitals, Central Ethiopia, 2021: a multicenter cross-sectional study. BMC Pediatr 2022; 22:419. [PMID: 35836138 PMCID: PMC9281010 DOI: 10.1186/s12887-022-03480-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 07/08/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Despite numerous efforts to improve the quality of maternal and child health medical services, over 20 million babies are born with low birth weights each year globally. However, factors related to low birth weight like physically demanding work during pregnancy, intimate partner violence, and food insecurity have not been explored well in Ethiopia. Thus, this study aimed to assess the prevalence of low birth weight and associated factors among neonates born in public Hospitals in North Shewa Zone, Central Ethiopia. METHODS A hospital-based cross-sectional study design was conducted from June 15 -to July 15, 2021, in North Shewa public hospitals. A total of 441 mothers and newborn pairs were selected by systematic random sampling. Data were collected using a pretested and structured interviewer-administered questionnaire with chart reviewing. Data entry and analysis were done using Epi Data version 3.1 and Statistical Package for the Social Sciences version 26 respectively. Binary logistic regression was done to identify factors associated with low birth weight. Adjusted odds ratio with its 95% confidence interval and a p-value less than 0.05 was considered to declare the statistically significant association. RESULTS The prevalence of low-birth-weight was 17.7% (95% CI: 14.3, 21.5). Pregnancy-related complication [AOR = 2.16; 95% CI:(1.12,4.18)], grand-multiparty [AOR = 2.57; 95% CI:(1.12,5.88)], physically demanding work during pregnancy [AOR = 2.19; 95% CI:(1.11,4.33)], midd-upper arm circumference less than 23 cm [AOR = 2.54; 95% CI:(1.26,5.10)], partner violence during pregnancy [AOR = 3.77; 95% CI:(1.81,7.88)], and being member of household with food insecure [AOR = 2.31; 95% CI:(1.12,4.75)] were factors significantly associated with low birth weight. CONCLUSIONS This study showed that the magnitude of low birth weight was relatively high. Women with pregnancy-related complications, grand multiparty, physically demanding work during pregnancy, intimate partner violence, mid-upper arm circumference less than 23 cm, and food insecurity should be prioritized for mitigating LBW. Health care professionals should focus on Screening pregnant women for intimate partner violence, physically demanding activities, undernutrition and providing appropriate treatment during all maternal continuum of care might be helpful.
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Wu W, Zhang B, Li D, Yan M, Deng Q, Kang Y, Du J, Gao X, Yan H. Development and validation of nomogram for prediction of low birth weight: a large-scale cross-sectional study in northwest China. J Matern Fetal Neonatal Med 2021; 35:7562-7570. [PMID: 34304668 DOI: 10.1080/14767058.2021.1956457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Birth weight is closely related to infant survival and future health, growth and development. In developing countries, the incidence of low birth weight is twice as high as in developed countries. Due to the low economic and medical level in northwest China, the problem of low birth weight needs to be solved urgently. METHODS We developed the predictive model based on data sets from a cross-sectional study conducted in northwest China, and data were collected from August 2013 to November 2013. A total of 27,233 patients were included in the study. Least Absolute Shrinkage and Selection Operator (LASSO) regression was used to select the optimal predictive characteristics among risk factors. The selected characteristics in the LASSO regression were used in multivariate logistic regression to build the prediction model. C-index and calibration plot were used to evaluate the degree of discrimination and calibration of the model. The decision curve is used to evaluate the net benefit rate of the application of the predictive tool. Bootstrapping validation was used for internal validation. RESULTS Nomogram included gestational age, the sex of the attendance, the mother's education level, antenatal care, the mother's occupation, pregnancy-induced hypertension, family income, exposure to pesticides and nutritional supplements. The C-index of the predicted nomogram was 0.698(95% confidence interval: 0.671-0.725), C-index of internal verification was 0.694, indicating that the model had a good identification ability. Calibration plot showed that the model had good calibration. Decision curve indicated that patients with a threshold probability of low birth weight between 1% and 71% would benefit more from using the prediction tool. CONCLUSION The use of this predictive model will contribute to clinicians and pregnant women to make personalized predictions easily and quickly so that early lifestyle detection and medical intervention can be undertaken by physicians and patients.
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Affiliation(s)
- Wentao Wu
- Department of Epidemiology and Health Statistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Binyan Zhang
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Daning Li
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Miaojia Yan
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Qiwei Deng
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Yijun Kang
- Department of Epidemiology and Health Statistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Jiaoyang Du
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Xiangyu Gao
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Hong Yan
- Department of Epidemiology and Health Statistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
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Afaya A, Afaya RA, Azongo TB, Yakong VN, Konlan KD, Agbinku E, Agyabeng-Fandoh E, Akokre R, Karim JF, Salia SM, Kaba RA, Ayanore MA. Maternal risk factors and neonatal outcomes associated with low birth weight in a secondary referral hospital in Ghana. Heliyon 2021; 7:e06962. [PMID: 34007935 PMCID: PMC8111250 DOI: 10.1016/j.heliyon.2021.e06962] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/21/2021] [Accepted: 04/26/2021] [Indexed: 01/12/2023] Open
Abstract
INTRODUCTION Over the past decade, the incidence of low birth weight (LBW) in sub-Saharan Africa has not seen any decline and this is a matter of grave concern for healthcare providers, policymakers, and researchers. Therefore, this study aimed to assess the incidence of LBW and related maternal risk factors (during pregnancy or delivery) as well as neonatal outcomes. METHODS An institutional-based retrospective cross-sectional study design was employed to select 1,017 mothers who delivered in the study hospital from January to December 2017 with singleton newborn babies without congenital diseases. Data were analysed using STATA version 14.1 (StataCorp. 2015. Stata Statistical Software: Release 14. College Station, TX: Stata Corp LP). Chi-square test of independence was used to test the association between the dependent variable (LBW) and risk factors of LBW. Bivariate and multivariable unconditional logistic regression was used to determine the factors associated with LBW. RESULTS The incidence of LBW was 23.7%. The findings show that being married has a protective effect on LBW [AOR = 0.60 (95%CI: 0.40-0.90), p = 0.013] compared to single mothers. Neonates born between gestational age of 37-42 weeks had 85% lower odds of LBW [AOR = 0.15, (95%CI: 0.10-0.24), p < 0.001)]. Neonates with LBW had a higher risk of low Apgar score in the first minute compared to neonates with normal birth weight [AOR = 0.52 (95%CI: 0.37-0.73), p < 0.001]. Female neonates had 64% higher odds of LBW compared to their male counterparts [AOR = 1.64 (95%CI: 1.19-2.24), p = 0.002]. CONCLUSION This study revealed a high incidence of LBW. Women's marital status (single mothers), gestational age (<37 weeks), neonatal sex (female), are independent risk factors associated with LBW, while a higher risk of an Apgar score of less than 7 in the first minute was an independent outcome of low birth weight births. The current study findings contribute to the growing literature on the influence of maternal and neonatal factors on LBW in resource-constrained settings. These findings could guide healthcare providers, hospital administrators, stakeholders, and policymakers to develop and implement appropriate clinical and public health strategies aimed at reducing LBW.
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Affiliation(s)
- Agani Afaya
- College of Nursing, Yonsei University, 50-1, Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
- School of Nursing and Midwifery, University of Health and Allied Sciences, Ho, Ghana
| | - Richard Adongo Afaya
- Department of Midwifery, School of Nursing and Midwifery, University for Development Studies, Tamale, Ghana
| | - Thomas Bavo Azongo
- Department of Public Health, School of Allied Health Sciences, University for Development Studies, Tamale, Ghana
| | - Vida Nyagre Yakong
- Department of Midwifery, School of Nursing and Midwifery, University for Development Studies, Tamale, Ghana
| | - Kennedy Diema Konlan
- College of Nursing, Yonsei University, 50-1, Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
- School of Nursing and Midwifery, University of Health and Allied Sciences, Ho, Ghana
| | - Ethel Agbinku
- School of Nursing and Midwifery, University of Health and Allied Sciences, Ho, Ghana
| | - Eric Agyabeng-Fandoh
- School of Nursing and Midwifery, University of Health and Allied Sciences, Ho, Ghana
| | - Renna Akokre
- Department of Nursing, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Jebuni Fuseini Karim
- Superior School of Health, University of Algarve, Campus de Gambelas, Ed. 5-8005-193 Faro, Portugal
| | | | - Robert Alhassan Kaba
- Centre for Health Policy and Implementation Research. Institute of Health Research, University of Health and Allied Sciences, Ho, Ghana
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Scherb H, Hayashi K. Spatiotemporal association of low birth weight with Cs-137 deposition at the prefecture level in Japan after the Fukushima nuclear power plant accidents: an analytical-ecologic epidemiological study. Environ Health 2020; 19:82. [PMID: 32646457 PMCID: PMC7346451 DOI: 10.1186/s12940-020-00630-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 06/24/2020] [Indexed: 05/11/2023]
Abstract
BACKGROUND Perinatal mortality increased in contaminated prefectures after the Fukushima Daichi Nuclear Power Plant (FDNPP) accidents in Japan in 2011. Elevated counts of surgeries for cryptorchidism and congenital heart malformations were observed throughout Japan from 2012 onward. The thyroid cancer detection rate (2011 to 2016) was associated with the dose-rate at the municipality level in the Fukushima prefecture. Since the birth weight is a simple and objective indicator for gestational development and pregnancy outcome, the question arises whether the annual birth weight distribution was distorted in a dose-rate-dependent manner across Japan after Fukushima. METHODS The Japanese Ministry of Health, Labour, and Welfare provides prefecture-specific annual counts for 26.158 million live births from 1995 to 2018, of which 2.366 million births (9.04%) with weights < 2500 g. Prefecture-specific spatiotemporal trends of the low birth weight proportions were analyzed. Logistic regression allowing for level-shifts from 2012 onward was employed to test whether those level-shifts were proportional to the prefecture-specific dose-rates derived from Cs-137 deposition in the 47 Japanese prefectures. RESULTS The overall trend of the low birth weight prevalence (LBWp) in Japan discloses a jump in 2012 with a jump odds ratio (OR) 1.020, 95%-confidence interval (1.003,1.037), p-value 0.0246. A logistic regression of LBWp on the additional dose-rate after the FDNPP accidents adjusted for prefecture-specific spatiotemporal base-line trends yields an OR per μSv/h of 1.098 (1.058, 1.139), p-value < 0.0001. Further adjusting the logistic regression for the annual population size and physician density of the prefectures, as well as for the counts of the dead, the missing, and the evacuees due to earthquake and tsunami (as surrogate measures for medical infrastructure and stress) yields an OR per μSv/h of 1.109 (1.032, 1.191), p-value 0.0046. CONCLUSIONS This study shows increased low birth weight prevalence related to the Cs-137 deposition and the corresponding additional dose-rate in Japan from 2012 onward. Previous evidence suggesting compromised gestational development and pregnancy outcome under elevated environmental ionizing radiation exposure is corroborated.
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Affiliation(s)
- Hagen Scherb
- Helmholtz Zentrum München, German Research Center for Environmental Health, Institute of Computational Biology, Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
| | - Keiji Hayashi
- Hayashi Children’s Clinic, 4-6-11-1F Nagata, Joto-ku Osaka-Shi, Osaka, 536-0022 Japan
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Balogun H, Jaakkola JJK, Amegah AK. Association of Sunlight Exposure and Consumption of Vitamin D-Rich Foods During Pregnancy with Adverse Birth Outcomes in an African Population. J Trop Pediatr 2019; 65:526-536. [PMID: 30690592 DOI: 10.1093/tropej/fmz001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Our objective was to assess whether dietary vitamin D (vitD) intake and sunlight exposure during pregnancy is associated with birth outcomes in a healthy Ghanaian population. METHODS A population-based cross-sectional study that included 703 mother-infant pairs accessing postnatal services at the five main health facilities in Cape Coast, Ghana was conducted in 2016. Information on sunlight exposure practices and consumption of vitD-rich foods during pregnancy was collected. RESULTS A 1 µg increase in vitD intake resulted in a statistically significant 0.00505 weeks increase in gestational age (95% confidence interval [CI]: 0.00005, 0.01004). Mothers classified in the first quartile of vitD intake had 37% (prevalence ratio = 1.37, 95% CI: 1.10, 1.69) increased risk of preterm birth (PTB) compared to their counterparts classified in the fourth quartile. Decreased vitD intake was also associated with low-to-moderate Apgar score. CONCLUSION Nutrition education of mothers on the importance of screening for vitD deficiency during early months of pregnancy is recommended.
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Affiliation(s)
- Hamudat Balogun
- Center for Environmental and Respiratory Health Research (CERH), University of Oulu, Oulu, Finland
| | - Jouni J K Jaakkola
- Center for Environmental and Respiratory Health Research (CERH), University of Oulu, Oulu, Finland
| | - A Kofi Amegah
- Public Health Research Group, Department of Biomedical Sciences, University of Cape Coast, Cape Coast, Ghana.,Department of Clinical Nutrition and Dietetics, University of Cape Coast, Cape Coast, Ghana
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Incidence and recurrence risk of low birth weight in Northern Tanzania: A registry based study. PLoS One 2019; 14:e0215768. [PMID: 31009497 PMCID: PMC6476513 DOI: 10.1371/journal.pone.0215768] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 04/02/2019] [Indexed: 11/18/2022] Open
Abstract
Background Low birth weight (LBW) is an important indicator of newborn survival. It is associated with higher risk of morbidity, mortality and long-term health consequences. Little has been done on incidence and recurrence risk of LBW in developing countries including Tanzania. This study aimed to determine the incidence and recurrence risk of LBW among women who delivered at Kilimanjaro Christian Medical Center (KCMC), Tanzania. Methods A hospital-based prospective cohort study was conducted using maternally-linked data from KCMC birth registry between 2000 and 2010. A total of 26,191 women delivered singleton live babies during the study period. Of these, 4,603 (17.6%) had subsequent pregnancies. The recurrence risk of LBW was estimated using a multivariable log-binomial regression model. A robust variance estimator was used to account for correlation between births of the same mother. Results The incidence of LBW was 7.1%. The absolute recurrence risk of LBW was 28.1%. This corresponds to a relative risk (RR) of 5.08-fold, 95% CI 4.01–6.45). Antenatal care visits (<4) (RR: 5.00; 95% CI 3.58–6.98), preterm birth (RR: 4.55; 95% CI 3.21–6.43), positive HIV status (RR: 7.49: 95% CI 3.91–14.36) and preeclampsia (RR: 4.37; 2.60–7.35) in the first pregnancy were important predictors of LBW recurrence. Conclusion The incidence of LBW and its recurrence was high in the study population. Women with previous history of LBW had higher risk of recurrent LBW in subsequent pregnancies. Identification of factors associated with LBW recurrence, proper post-partum care management to ensure Healthy Timing and Spacing of Pregnancy, Pre-conception care and close clinical follow-up during subsequent pregnancy may help reduce LBW recurrence.
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Desta M, Tadese M, Kassie B, Gedefaw M. Determinants and adverse perinatal outcomes of low birth weight newborns delivered in Hawassa University Comprehensive Specialized Hospital, Ethiopia: a cohort study. BMC Res Notes 2019; 12:118. [PMID: 30832723 PMCID: PMC6399950 DOI: 10.1186/s13104-019-4155-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 02/22/2019] [Indexed: 02/06/2023] Open
Abstract
Objective Globally an estimated 15% to 20% of all births are low birth weight, representing more than 20 million births a year. Low birth weights are at a greater risk of both short and long-term sequels. Therefore, this study was conducted to assess determinants and perinatal outcomes of low birth weight newborns delivered in Hawassa University Comprehensive Specialized Hospital, Southern Ethiopia. Results A total of 420 mothers were included in the study with a response rate of 97%. The mean birth weights of the neonate were 3360 (± 870 SD) grams and the incidence of low birth weight was found to be 16.6% (95% CI 13.46–18.38). Previous abortion [RR = 1.87 (2.53, 12.5)], hypertensive disorder [RR = 4.59 (4.93, 42.7)], having < 4 antenatal visits [RR = 3.45 (2.35, 13.8)] and prematurity [RR = 18.2 (6.24, 34.5)] was increased the risk of low birth weight. Low birth weight neonates were associated with a low Apgar score [RR = 18.2 (6.24, 34.5)] and early neonatal death [RR = 18.2 (6.24, 34.5)]. For this, identifying populations at the greatest risk of previous abortion, hypertensive disorders of pregnancy and prematurity were the major priorities aimed at reducing low birth weight. Incorporate mental health in the prenatal visit, improving the care for a high-risk pregnant woman was also recommended. Electronic supplementary material The online version of this article (10.1186/s13104-019-4155-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Melaku Desta
- Department of Midwifery, College of Medicine and Health Science, Debre Markos University, P.O. Box 226, Debre Markos, Ethiopia.
| | - Mesfin Tadese
- Department of Midwifery, College of Medicine and Health Science, Debre Berhan University, Debre Berhan, Amhara Region, Ethiopia
| | - Bekalu Kassie
- Department of Midwifery, College of Medicine and Health Science, Debre Markos University, P.O. Box 226, Debre Markos, Ethiopia
| | - Mihrete Gedefaw
- Department of Nursing, College of Medicine and Health Science, Debre Markos University, Debre Markos, Ethiopia
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Phang M, Dissanayake HU, McMullan RL, Hyett J, Gordon A, Garg ML, Skilton MR. Increased α-Linolenic Acid Intake during Pregnancy is Associated with Higher Offspring Birth Weight. Curr Dev Nutr 2019; 3:nzy081. [PMID: 30820488 PMCID: PMC6390041 DOI: 10.1093/cdn/nzy081] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 06/26/2018] [Accepted: 10/01/2018] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND The amount and type of fat in the maternal diet during pregnancy are important contributors to fetal growth. The importance of plant-based omega-3 fatty acid (α-linolenic acid, ALA) intake in fetal growth has not been previously examined. OBJECTIVE We sought to determine the association of maternal ALA intake during pregnancy with birth weight and body composition of the offspring. METHODS Mothers and their newborn infants (n = 224) were recruited from the Royal Prince Alfred Hospital, Australia. Maternal diet during pregnancy was assessed using a validated food frequency questionnaire. Plasma fatty acid composition was analyzed in a subset of mothers (n = 41). Newborn body composition was assessed using air-displacement plethysmography. All analyses were adjusted for gestational age, sex, physical activity, and total energy intake. RESULTS Dietary fatty acid intakes were positively associated with plasma phospholipid fatty acids for total omega-3 fatty acids (β = 0.452, P = 0.003), ALA (β = 0.339, P = 0.03), linoleic acid (β = 0.353, P = 0.03), eicosapentaenoic acid (β = 0.407, P = 0.009), and docosahexaenoic acid (β = 0.388, P = 0.01). Higher maternal intake of ALA (% total fat) was associated with higher offspring birth weight [189.7-g increase per 1% higher ALA (95% CI: 14, 365 g); P = .04], although individually neither newborn fat mass nor fat-free mass was significant. Birth weight increased across tertiles of maternal ALA intake (P ANOVA = 0.05), with birth weight being 221 g (95% CI: 12, 429 g) higher in those with the highest maternal ALA intake compared with those with the lowest intake (P = 0.04). Mothers of infants born small for gestational age (n = 32) had a lower ALA intake than those born appropriate for gestational age (n = 162) or large for gestational age [(n = 21); P = 0.05]. CONCLUSIONS In otherwise healthy women giving birth at a major tertiary hospital in Australia, intake of ALA during pregnancy is associated with higher offspring birth weight. This may have implications for dietary strategies aimed at optimizing fetal growth via modification of maternal diet.
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Affiliation(s)
- Melinda Phang
- Boden Institute of Obesity, Nutrition, Exercise and Eating Disorders, University of Sydney, Sydney, Australia
- Sydney Medical School, University of Sydney, Sydney, Australia
| | - Hasthi U Dissanayake
- Boden Institute of Obesity, Nutrition, Exercise and Eating Disorders, University of Sydney, Sydney, Australia
- Sydney Medical School, University of Sydney, Sydney, Australia
| | - Rowena L McMullan
- Boden Institute of Obesity, Nutrition, Exercise and Eating Disorders, University of Sydney, Sydney, Australia
- Mother and Babies, Royal Prince Alfred Hospital, Camperdown, Australia
| | - Jon Hyett
- Obstetrics, Royal Prince Alfred Hospital, Camperdown, Australia
| | - Adrienne Gordon
- Sydney Medical School, University of Sydney, Sydney, Australia
- Mother and Babies, Royal Prince Alfred Hospital, Camperdown, Australia
| | - Manohar L Garg
- Nutraceuticals Research Program, University of Newcastle, Newcastle, Australia
| | - Michael R Skilton
- Boden Institute of Obesity, Nutrition, Exercise and Eating Disorders, University of Sydney, Sydney, Australia
- Sydney Medical School, University of Sydney, Sydney, Australia
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Determinants of low birth weight in the context of maternal nutrition education in urban informal settlements, Kenya. J Dev Orig Health Dis 2018; 10:237-245. [PMID: 30295231 DOI: 10.1017/s2040174418000715] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Inadequate knowledge in maternal nutrition is one of the determinants of low birth weight. However, little evidence is available on whether maternal nutrition counselling alone can influence birth weight among women from low socioeconomic households. This study assessed the effect of prenatal maternal nutritional counselling on birth weight and examined the related risk factors. A cluster randomized controlled trial was conducted to assess the effectiveness of home-based maternal nutritional counselling on nutritional outcomes, morbidity, breastfeeding, and infant feeding practices by the African Population and Health Research Center in two urban informal settlements of Nairobi. The intervention group received monthly antenatal and nutritional counselling from trained community health volunteers; meanwhile, the control group received routine antenatal care. A total of 1001 participants were included for analysis. Logistic regression was applied to determine associations between low birth weight and maternal characteristics. A higher prevalence of low birth weight was observed in the control group (6.7%) than in the intervention group (2.5%; P<0.001). Logistic regression identified significant associations between birth weight and intervention group (adjusted odds ratio (AOR)=0.26; 95% confidence interval (CI), 0.10-0.64); maternal height <154.5 cm (AOR=3.33; 95% CI, 1.01-10.96); last antenatal care visits at 1st or 2nd trimesters (AOR=9.48; 95% CI, 3.72-24.15); pre-term delivery (AOR=3.93; 95% CI, 1.93-7.98); maternal mid-upper arm circumference <23 cm (AOR=2.57; 95% CI, 1.15-5.78); and cesarean delivery (AOR=2.27; 95% CI, 1.04-4.94). Nutrition counselling during pregnancy reduced low birth weight and preterm births, which was determined by women of short stature, early stoppage of antenatal visit, and cesarean delivery.
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12
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West J, Kelly B, Collings PJ, Santorelli G, Mason D, Wright J. Is small size at birth associated with early childhood morbidity in white British and Pakistani origin UK children aged 0-3? Findings from the born in Bradford cohort study. BMC Pediatr 2018; 18:22. [PMID: 29390971 PMCID: PMC5796403 DOI: 10.1186/s12887-018-0987-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Accepted: 01/16/2018] [Indexed: 12/20/2022] Open
Affiliation(s)
- Jane West
- Bradford Institute for Health Research, Bradford Royal Infirmary, Duckworth Lane, Bradford, BD9 6RJ UK
- School of Social & Community Medicine, University of Bristol, Bristol, UK
| | - Brian Kelly
- Bradford Institute for Health Research, Bradford Royal Infirmary, Duckworth Lane, Bradford, BD9 6RJ UK
| | - Paul J. Collings
- Bradford Institute for Health Research, Bradford Royal Infirmary, Duckworth Lane, Bradford, BD9 6RJ UK
| | - Gillian Santorelli
- Bradford Institute for Health Research, Bradford Royal Infirmary, Duckworth Lane, Bradford, BD9 6RJ UK
| | - Dan Mason
- Bradford Institute for Health Research, Bradford Royal Infirmary, Duckworth Lane, Bradford, BD9 6RJ UK
| | - John Wright
- Bradford Institute for Health Research, Bradford Royal Infirmary, Duckworth Lane, Bradford, BD9 6RJ UK
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Cao H, Wang J, Li Y, Li D, Guo J, Hu Y, Meng K, He D, Liu B, Liu Z, Qi H, Zhang L. Trend analysis of mortality rates and causes of death in children under 5 years old in Beijing, China from 1992 to 2015 and forecast of mortality into the future: an entire population-based epidemiological study. BMJ Open 2017; 7:e015941. [PMID: 28928178 PMCID: PMC5623503 DOI: 10.1136/bmjopen-2017-015941] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
OBJECTIVES To analyse trends in mortality and causes of death among children aged under 5 years in Beijing, China between 1992 and 2015 and to forecast under-5 mortality rates (U5MRs) for the period 2016-2020. METHODS An entire population-based epidemiological study was conducted. Data collection was based on the Child Death Reporting Card of the Beijing Under-5 Mortality Rate Surveillance Network. Trends in mortality and leading causes of death were analysed using the χ2 test and SPSS 19.0 software. An autoregressive integrated moving average (ARIMA) model was fitted to forecast U5MRs between 2016 and 2020 using the EViews 8.0 software. RESULTS Mortality in neonates, infants and children aged under 5 years decreased by 84.06%, 80.04% and 80.17% from 1992 to 2015, respectively. However, the U5MR increased by 7.20% from 2013 to 2015. Birth asphyxia, congenital heart disease, preterm/low birth weight and other congenital abnormalities comprised the top five causes of death. The greatest, most rapid reduction was that of pneumonia by 92.26%, with an annual average rate of reduction of 10.53%. The distribution of causes of death differed among children of different ages. Accidental asphyxia and sepsis were among the top five causes of death in children aged 28 days to 1 year and accident was among the top five causes in children aged 1-4 years. The U5MRs in Beijing are projected to be 2.88‰, 2.87‰, 2.90‰, 2.97‰ and 3.09‰ for the period 2016-2020, based on the predictive model. CONCLUSION Beijing has made considerable progress in reducing U5MRs from 1992 to 2015. However, U5MRs could show a slight upward trend from 2016 to 2020. Future considerations for child healthcare include the management of birth asphyxia, congenital heart disease, preterm/low birth weight and other congenital abnormalities. Specific preventative measures should be implemented for children of various age groups.
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Affiliation(s)
- Han Cao
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Clinical Epidemiology, Beijing, China
| | - Jing Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
- Department of Children’s Health Care, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Yichen Li
- Department of Children’s Health Care, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Dongyang Li
- Department of Children’s Health Care, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Jin Guo
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
| | - Yifei Hu
- Department of Child, Adolescent Health and Maternal Health, School of Public Health, Capital Medical University, Beijing, China
| | - Kai Meng
- Department of Hospital Management, School of Health Administration and Education, Capital Medical University, Beijing, China
| | - Dian He
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
| | - Bin Liu
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Clinical Epidemiology, Beijing, China
| | - Zheng Liu
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Clinical Epidemiology, Beijing, China
| | - Han Qi
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Clinical Epidemiology, Beijing, China
| | - Ling Zhang
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Clinical Epidemiology, Beijing, China
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Song P, Theodoratou E, Li X, Liu L, Chu Y, Black RE, Campbell H, Rudan I, Chan KY. Causes of death in children younger than five years in China in 2015: an updated analysis. J Glob Health 2017; 6:020802. [PMID: 28028436 PMCID: PMC5140075 DOI: 10.7189/jogh.06.020802] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Background Substantial progress in reducing the child mortality rate has been made globally in the last two decades. However, for China, the number of children dying from preventable diseases is still very large. It is important to have regularly updated information on the distribution of causes of death (COD) in children to inform policy and research. In this study, we aim to estimate the COD spectrum in children younger than five years old from 2009 to 2015 with a focus on the year 2015 and to provide an updated COD prediction model for China. Methods Updated data of under–five mortality rates (U5MRs) and the number of live births at national and provincial levels were obtained from United Nation's Inter–agency Group for Child Mortality Estimation (UN IGME), Institute for Health Metrics and Evaluation (IHME), and United Nations Population Division (UNPD). Then, we conducted a systematic review across four Chinese and English bibliographic databases and identified high–quality community–based longitudinal studies of COD in children younger than five years in China. We developed a number of single–cause models to predict the number of child death for main COD in different age groups at both national and provincial levels. The jackknife procedure was applied to construct the 95% Uncertainty Ranges (URs). Results From 2009 to 2015, the under–five mortality rates have declined by 37.1%. The leading causes of death in 2015 were preterm birth complications (17.4%), birth asphyxia (15.2%), congenital abnormalities (14.1%), accidents (13.5%) and pneumonia (12.4%) for children under five years old. The COD spectrum varied substantially across Chinese provinces with different development levels. The leading cause in children under five years in the wealthier provinces (with lower U5MRs) was congenital abnormalities (up to 18.9%), while in the poorer provinces (with higher U5MRs), pneumonia was the dominant COD (up to 23.4%). Conclusions This study updates and validates the accuracy of the findings of our previous COD study and proposes a new modelling method to predict proportions for the most common causes of child death in China. These updated COD estimates suggest that current strategies to reduce child mortality should prioritise action on neonatal deaths and target interventions against the top COD according to the local COD spectrum. Special attention should also be given to reducing differences between Chinese provinces and regions with differing development levels.
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Affiliation(s)
- Peige Song
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, Scotland, United Kingdom
| | - Evropi Theodoratou
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, Scotland, United Kingdom
| | - Xue Li
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, Scotland, United Kingdom
| | - Li Liu
- The Institute for International Programs, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Yue Chu
- The Institute for International Programs, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Robert E Black
- The Institute for International Programs, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Harry Campbell
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, Scotland, United Kingdom
| | - Igor Rudan
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, Scotland, United Kingdom; Joint last authorship
| | - Kit Yee Chan
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, Scotland, United Kingdom; Joint last authorship
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Ibrahim A, O'Keefe AM, Hawkins A, Hossain MB. Levels and determinants of low birth weight in infants delivered under the national health insurance scheme in Northern Ghana. Matern Child Health J 2016; 19:1230-6. [PMID: 25355049 DOI: 10.1007/s10995-014-1628-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This research determined the levels and odds ratios for low birth weight (LBW) infants delivered under the National Health Insurance Scheme (NHIS) compared to LBW infants delivered under the previous "Cash and Carry" system in Northern Ghana. Birth records of infants delivered before and after implementation of the NHIS in Northern Ghana were examined. Records of each day's births during the identified periods were abstracted. Days with fewer or no births were accommodated by oversampling from days before or after. Chi squared tests of independence were used to examine the bivariate association between categorical independent variables and LBW. Multiple logistic regression models were used to examine the relationships among selected variables for mothers and infants and the odds ratios for LBW. Infants delivered under NHIS had lower rates of LBW (16.8 %) compared to infants born under Cash and Carry (23.3 %). Mothers who delivered under NHIS were significantly less likely to have infants at LBW (unadjusted OR 0.65; 95 % CI 0.49, 0.86). The rate of LBW among infants delivered under NHIS is significantly lower than among infants delivered under Cash and Carry. The rate of LBW under Cash and Carry in 2000 fell by 27 % in relation to the NHIS in 2010. These findings confirm that the NHIS, which gives pregnant women in Northern Ghana four antenatal visits and access to skilled health professionals for delivery at no cost to the mother, significantly improved birth weight outcomes.
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Affiliation(s)
- Abdallah Ibrahim
- School of Public Health, College of Health Sciences, University of Ghana, Accra, Ghana,
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16
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Heinz-Partington S, Condous G, Mongelli M. Differential effects of cigarette smoking on birth weight by maternal body mass index. J OBSTET GYNAECOL 2016; 36:608-10. [DOI: 10.3109/01443615.2015.1127900] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Sean Heinz-Partington
- Division of Women’s and Children’s Health, Nepean Hospital, Sydney, Kingswood, Australia
| | - George Condous
- Division of Women’s and Children’s Health, Nepean Hospital, Sydney, Kingswood, Australia
| | - Max Mongelli
- Division of Women’s and Children’s Health, Nepean Hospital, Sydney, Kingswood, Australia
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Mitao M, Philemon R, Obure J, Mmbaga BT, Msuya S, Mahande MJ. Risk factors and adverse perinatal outcome associated with low birth weight in Northern Tanzania: a registry-based retrospective cohort study. ASIAN PACIFIC JOURNAL OF REPRODUCTION 2016. [DOI: 10.1016/j.apjr.2015.12.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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18
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Ibrahim A, O’Keefe AM. Do Infant Birth Outcomes Vary Among Mothers With and Without Health Insurance Coverage in Sub-Saharan Africa? Findings from the National Health Insurance and Cash and Carry Eras in Ghana, West Africa. Int J MCH AIDS 2014; 2:200-8. [PMID: 27621973 PMCID: PMC4948145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
BACKGROUND Beginning in the late 1960's, and accelerating after 1985, a system known as "Cash and Carry" required the people of Ghana to pay for health services out-of-pocket before receiving them. In 2003, Ghana enacted a National Health Insurance Scheme (NHIS) (fully implemented by 2005) that allowed pregnant women to access antenatal care and hospital delivery services for low annual premiums tied to income. The objective of this study was to compare trends in low birth weight (LBW) among infants born under the NHIS with infants born during the Cash and Carry system when patients paid out-of-pocket for maternal and child health services. METHODS Sampled birth records abstracted from birth folders at the Tamale Teaching Hospital (TTH) were examined. Chi-squared tests were performed to determine differences in the prevalence of LBW. A p-value of ≤ 0.05 was considered statistically significant. Analyses were conducted for selected variables in each year from 2000 to 2003 (Cash and Carry) and 2008 to 2011(NHIS). RESULTS Higher birth weights were not observed for deliveries under NHIS compared to those under Cash and Carry. More than one-third of infants in both eras were born to first-time mothers, and they had a significantly higher prevalence of LBW compared to infants born to multiparous mothers. CONCLUSION AND GLOBAL HEALTH IMPLICATIONS Understanding the factors that affect the prevalence of LBW is crucial to public health policy makers in Ghana. LBW is a powerful predictor of infant survival, and therefore, an important factor in determining the country's progress toward meeting the United Nations Millennium Development Goal of reducing under-five child mortality rates (MDG4) by the end of 2015.
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Affiliation(s)
- Abdallah Ibrahim
- School of Public Health, College of Health Sciences, University of Ghana, Accra, Ghana
| | - Anne Marie O’Keefe
- School of Community Health and Policy, Morgan State University, Baltimore, Maryland 21251, USA
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Chen Y, Li G, Ruan Y, Zou L, Wang X, Zhang W. An epidemiological survey on low birth weight infants in China and analysis of outcomes of full-term low birth weight infants. BMC Pregnancy Childbirth 2013; 13:242. [PMID: 24370213 PMCID: PMC3877972 DOI: 10.1186/1471-2393-13-242] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Accepted: 12/17/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Low birth weight (LBW) is one of the leading causes of adverse perinatal outcomes and is closely related to neonatal disease and death. The incidence of LBW has been increasing. The aim of this study was to investigate the current incidence rate and factors affecting low birth weight infants and perinatal outcomes of full-term low birth weight infants in mainland China. METHODS This paper describes a retrospective analysis of children born in 39 hospitals of different types in 14 different provinces, municipalities, and autonomous regions in seven districts within China throughout 2011. The data were first collected in hardcopy format and then entered into computer network databases. Data covering a total of 112,441 cases were collected. Cases were excluded if data were incomplete and in the case of miscarriage before 24 weeks of gestation, multiple pregnancies, or induction of labor due to fetal malformation, intrauterine death, and other reasons, leaving a total of 101,163 cases. SPSS 18.0 and SAS 9.2 statistical packages were used to analyze the collected data. RESULTS According to this research, the incidence of LBW in mainland China was 6.1%, which is higher than the 5.87% reported in 2000, and it varied across different areas. The incidence of LBW was significantly higher in tertiary care hospitals than in secondary care hospitals. LBW was found to be associated with maternal age of less than 20 years, low level of maternal education, previous histories of adverse pregnancies, and with pregnancy comorbidities and complications, such as hypertensive disorders during pregnancy, anemia, oligohydramnios, premature rupture of membranes, and gestational diabetes. The rates of stillbirths, severe neonatal asphyxia, and deaths among full-term LBW infants were 2.42%, 0.83%, and 3.49%, respectively. The rates of stillbirths and neonatal deaths among full-term LBW infants born by caesarean section were 0.5% and 1.0%, respectively, which was lower than vaginal delivery. CONCLUSIONS The incidence of LBW has increased in China. LBW is a leading cause of adverse pregnancy outcomes. Health care during pregnancy and management of high-risk factors for LBW may reduce the incidence of LWB and the death rate of LBW infants.
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Affiliation(s)
- Yi Chen
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Guanghui Li
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Yan Ruan
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Liying Zou
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Xin Wang
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
| | - Weiyuan Zhang
- Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
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