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Wang, Haidong, Liddell, Chelsea A, Coates, Matthew M, Mooney, Meghan D, Levitz, Carly E, Schumacher, Austin E, Apfel, Henry, Iannarone, Marissa, Phillips, Bryan, Lofgren, Katherine T, Sandar, Logan, Dorrington, Rob E, Rakovac, Ivo, Jacobs, Troy A, Liang, Xiaofeng, Zhou, Maigeng, Zhu, Jun, Yang, Gonghuan, Wang, Yanping, Liu, Shiwei, Li, Yichong, Ozgoren, Ayse Abbasoglu, Abera, Semaw Ferede, Abubakar, Ibrahim, Achoki, Tom, Adelekan, Ademola, Ademi, Zanfina, Alemu, Zewdie Aderaw, Allen, Peter J, AlMazroa, Mohammad AbdulAziz, Alvarez, Elena, Amankwaa, Adansi A, Amare, Azmeraw T, Ammar, Walid, Anwari, Palwasha, Cunningham, Solveig Argeseanu, Asad, Majed Masoud, Assadi, Reza, Banerjee, Amitava, Basu, Sanjay, Bedi, Neeraj, Bekele, Tolesa, Bell, Michelle L, Bhutta, Zulfiqar, Blore, Jed D, Basara, Berrak Bora, Boufous, Soufiane, Breitborde, Nicholas, Bruce, Nigel G, Bui, Linh Ngoc, Carapetis, Jonathan R, Cárdenas, Rosario, Carpenter, David O, Caso, Valeria, Castro, Ruben Estanislao, Catalá-Lopéz, Ferrán, Cavlin, Alanur, Che, Xuan, Chiang, Peggy Pei-Chia, Chowdhury, Rajiv, Christophi, Costas A, Chuang, Ting-Wu, Cirillo, Massimo, da Costa Leite, Iuri, Courville, Karen J, Dandona, Lalit, Dandona, Rakhi, Davis, Adrian, Dayama, Anand, Deribe, Kebede, Dharmaratne, Samath D, Dherani, Mukesh K, Dilmen, Uğur, Ding, Eric L, Edmond, Karen M, Ermakov, Sergei Petrovich, Farzadfar, Farshad, Fereshtehnejad, Seyed-Mohammad, Fijabi, Daniel Obadare, Foigt, Nataliya, Forouzanfar, Mohammad H, Garcia, Ana C, Geleijnse, Johanna M, Gessner, Bradford D, Goginashvili, Ketevan, Gona, Philimon, Goto, Atsushi, Gouda, Hebe N, Green, Mark A, Greenwell, Karen Fern, Gugnani, Harish Chander, Gupta, Rahul, Hamadeh, Randah Ribhi, Hammami, Mouhanad, Harb, Hilda L, Hay, Simon, Hedayati, Mohammad T, Hosgood, H Dean, Hoy, Damian G, Idrisov, Bulat T, Islami, Farhad, Ismayilova, Samaya, Jha, Vivekanand, Jiang, Guohong, Jonas, Jost B, Juel, Knud, Kabagambe, Edmond Kato, Kazi, Dhruv S, Kengne, Andre Pascal, Kereselidze, Maia, Khader, Yousef Saleh, Khalifa, Shams Eldin Ali Hassan, Khang, Young-Ho, Kim, Daniel, Kinfu, Yohannes, Kinge, Jonas M, Kokubo, Yoshihiro, Kosen, Soewarta, Defo, Barthelemy Kuate, Kumar, G Anil, Kumar, Kaushalendra, Kumar, Ravi B, Lai, Taavi, Lan, Qing, Larsson, Anders, Lee, Jong-Tae, Leinsalu, Mall, Lim, Stephen S, Lipshultz, Steven E, Logroscino, Giancarlo, Lotufo, Paulo A, Lunevicius, Raimundas, Lyons, Ronan Anthony, Ma, Stefan, Mahdi, Abbas Ali, Marzan, Melvin Barrientos, Mashal, Mohammad Taufiq, Mazorodze, Tasara T, McGrath, John J, Memish, Ziad A, Mendoza, Walter, Mensah, George A, Meretoja, Atte, Miller, Ted R, Mills, Edward J, Mohammad, Karzan Abdulmuhsin, Mokdad, Ali H, Monasta, Lorenzo, Montico, Marcella, Moore, Ami R, Moschandreas, Joanna, Msemburi, William T, Mueller, Ulrich O, Muszynska, Magdalena M, Naghavi, Mohsen, Naidoo, Kovin S, Narayan, KM Venkat, Nejjari, Chakib, Ng, Marie, de Dieu Ngirabega, Jean, Nieuwenhuijsen, Mark J, Nyakarahuka, Luke, Ohkubo, Takayoshi, Omer, Saad B, Caicedo, Angel J Paternina, Wyk, Victoria Pillay-van, Pope, Dan, Pourmalek, Farshad, Prabhakaran, Dorairaj, Rahman, Sajjad UR, Rana, Saleem M, Reilly, Robert Quentin, Rojas-Rueda, David, Ronfani, Luca, Rushton, Lesley, Saeedi, Mohammad Yahya, Salomon, Joshua A, Sampson, Uchechukwu, Santos, Itamar S, Sawhney, Monika, Schmidt, Jürgen C, Shakh-Nazarova, Marina, She, Jun, Sheikhbahaei, Sara, Shibuya, Kenji, Shin, Hwashin Hyun, Shishani, Kawkab, Shiue, Ivy, Sigfusdottir, Inga Dora, Singh, Jasvinder A, Skirbekk, Vegard, Sliwa, Karen, Soshnikov, Sergey S, Sposato, Luciano A, Stathopoulou, Vasiliki Kalliopi, Stroumpoulis, Konstantinos, Tabb, Karen M, Talongwa, Roberto Tchio, Teixeira, Carolina Maria, Terkawi, Abdullah Sulieman, Thomson, Alan J, Thorne-Lyman, Andrew L, Toyoshima, Hideaki, Dimbuene, Zacharie Tsala, Uwaliraye, Parfait, Uzun, Selen Begüm, Vasankari, Tommi J, Vasconcelos, Ana Maria Nogales, Vlassov, Vasiliy Victorovich, Vollset, Stein Emil, Waller, Stephen, Wan, Xia, Weichenthal, Scott, Weiderpass, Elisabete, Weintraub, Robert G, Westerman, Ronny, Wilkinson, James D, Williams, Hywel C, Yang, Yang C, Yentur, Gokalp Kadri, Yip, Paul, Yonemoto, Naohiro, Younis, Mustafa, Yu, Chuanhua, Jin, Kim Yun, El Sayed Zaki, Maysaa, Zhu, Shankuan, Vos, Theo, Lopez, Alan D and Murray, Christopher J L (2014) Global, regional, and national levels of neonatal, infant, and under-5 mortality during 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013. The Lancet, 384 (9947). pp. 957-979. ISSN 1474-547X

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Abstract

Background

Remarkable financial and political efforts have been focused on the reduction of child mortality during the past few decades. Timely measurements of levels and trends in under-5 mortality are important to assess progress towards the Millennium Development Goal 4 (MDG 4) target of reduction of child mortality by two thirds from 1990 to 2015, and to identify models of success.

Methods

We generated updated estimates of child mortality in early neonatal (age 0–6 days), late neonatal (7–28 days), postneonatal (29–364 days), childhood (1–4 years), and under-5 (0–4 years) age groups for 188 countries from 1970 to 2013, with more than 29 000 survey, census, vital registration, and sample registration datapoints. We used Gaussian process regression with adjustments for bias and non-sampling error to synthesise the data for under-5 mortality for each country, and a separate model to estimate mortality for more detailed age groups. We used explanatory mixed effects regression models to assess the association between under-5 mortality and income per person, maternal education, HIV child death rates, secular shifts, and other factors. To quantify the contribution of these different factors and birth numbers to the change in numbers of deaths in under-5 age groups from 1990 to 2013, we used Shapley decomposition. We used estimated rates of change between 2000 and 2013 to construct under-5 mortality rate scenarios out to 2030.

Findings

We estimated that 6·3 million (95% UI 6·0–6·6) children under-5 died in 2013, a 64% reduction from 17·6 million (17·1–18·1) in 1970. In 2013, child mortality rates ranged from 152·5 per 1000 livebirths (130·6–177·4) in Guinea-Bissau to 2·3 (1·8–2·9) per 1000 in Singapore. The annualised rates of change from 1990 to 2013 ranged from –6·8% to 0·1%. 99 of 188 countries, including 43 of 48 countries in sub-Saharan Africa, had faster decreases in child mortality during 2000–13 than during 1990–2000. In 2013, neonatal deaths accounted for 41·6% of under-5 deaths compared with 37·4% in 1990. Compared with 1990, in 2013, rising numbersof births, especially in sub-Saharan Africa, led to 1·4 million more child deaths, and rising income per person and maternal education led to 0·9 million and 2·2 million fewer deaths, respectively. Changes in secular trends led to 4·2 million fewer deaths. Unexplained factors accounted for only –1% of the change in child deaths. In 30 developing countries, decreases since 2000 have been faster than predicted attributable to income, education, and secular shift alone.

Interpretation

Only 27 developing countries are expected to achieve MDG 4. Decreases since 2000 in under-5 mortality rates are accelerating in many developing countries, especially in sub-Saharan Africa. The Millennium Declaration and increased development assistance for health might have been a factor in faster decreases in some developing countries. Without further accelerated progress, many countries in west and central Africa will still have high levels of under-5 mortality in 2030.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/736003
Schools/Departments:	University of Nottingham, UK > Faculty of Medicine and Health Sciences > School of Medicine
Identification Number:	10.1016/S0140-6736(14)60497-9
Depositing User:	Eprints, Support
Date Deposited:	09 May 2016 09:52
Last Modified:	29 Apr 2020 15:07
URI:	https://eprints.nottingham.ac.uk/id/eprint/33047

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