Dattijo, L; Kabuga, N; Aminu, MB; Umar, N; (2022) Economic burden of obstetric fistula among patients in the National Obstetric Fistula Centre, Nigeria. Sahel Medical Journal, 25 (1). pp. 9-14. DOI: https://doi.org/10.4103/smj.smj_81_20

Exley, Josephine; Bhattacharya, Antoinette; Hanson, Claudia; Shuaibu, Abdulrahman; Umar, Nasir; Marchant, Tanya; (2022) Operationalising effective coverage measurement of facility based childbirth in Gombe State; a comparison of data sources. PLOS Global Public Health, 2 (4). e0000359-. ISSN 2767-3375 DOI: https://doi.org/10.1371/journal.pgph.0000359

Olal, Emmanuel; Umar, Nasir; Anyanti, Jennifer; Hill, Zelee; Marchant, Tanya; (2022) How valid are women's reports of the antenatal health services they receive from Community Health Workers in Gombe State north-eastern Nigeria? BMC pregnancy and childbirth, 22 (1). p. 898. ISSN 1471-2393 DOI: https://doi.org/10.1186/s12884-022-05220-x

Olaniran, Abimbola Ayodele; Oludipe, Modupe; Hill, Zelee; Ogunyemi, Adedoyin; Umar, Nasir; Ayorinde, Rebecca; Ohiri, Kelechi; Schellenberg, Joanna; Marchant, Tanya; (2022) Influence of context on quality improvement priorities: a qualitative study of three facility types in Lagos State, Nigeria. BMJ open quality, 11 (1). e001532-e001532. ISSN 2399-6641 DOI: https://doi.org/10.1136/bmjoq-2021-001532

Umar, Nasir; Schellenberg, Joanna; Hill, Zelee; Bhattacharya, Antoinette Alas; Muzigaba, Moise; Tunçalp, Özge; Sambo, Nuraddeen Umar; Shuaibu, Abdulrahman; Marchant, Tanya; (2022) To call or not to call: exploring the validity of telephone interviews to derive maternal self-reports of experiences with facility childbirth care in northern Nigeria. BMJ Global Health, 7 (3). e008017-e008017. ISSN 2059-7908 DOI: https://doi.org/10.1136/bmjgh-2021-008017

Willey, Barbara; Umar, Nasir; Beaumont, Emma; Allen, Elizabeth; Anyanti, Jennifer; Bello, Abubakar Bala; Bhattacharya, Antoinette; Exley, Josephine; Makowiecka, Krystyna; Okolo, Magdalene; +7 more... Sani, Rabi; Schellenberg, Joanna; Spicer, Neil; Usman, Umar Adamu; Gana, Ahmed Mohammed; Shuaibu, Abdulrahman; Marchant, Tanya; (2022) Improving maternal and newborn health services in Northeast Nigeria through a government-led partnership of stakeholders: a quasi-experimental study. BMJ open, 12 (2). e048877-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2021-048877

Bhattacharya, AA; (2021) Evaluating the quality of routine data in primary health facilities for monitoring maternal and newborn care in Gombe State, northeastern Nigeria. PhD (research paper style) thesis, London School of Hygiene & Tropical Medicine. DOI: https://doi.org/10.17037/PUBS.04659910

Lamba, Shyam; Arora, Nikita; Keraga, Dorka Woldesenbet; Kiflie, Abiyou; Jembere, Birkety Mengistu; Berhanu, Della; Dubale, Mehret; Marchant, Tanya; Schellenberg, Joanna; Umar, Nasir; +2 more... Estafinos, Abiy Seifu; Quaife, Matthew; (2021) Stated job preferences of three health worker cadres in Ethiopia: a discrete choice experiment. Health Policy and Planning, 36 (9). pp. 1418-1427. DOI: https://doi.org/10.1093/heapol/czab081

Olaniran, Abimbola A; Oludipe, Modupe; Hill, Zelee; Ogunyemi, Adedoyin; Umar, Nasir; Ohiri, Kelechi; Schellenberg, Joanna; Marchant, Tanya; (2021) From Theory to Implementation: Adaptations to a Quality Improvement Initiative According to Implementation Context. Qualitative Health Research, 32 (4). pp. 646-655. ISSN 1049-7323 DOI: https://doi.org/10.1177/10497323211058699

Wickremasinghe, Deepthi; Alkali Hamza, Yashua; Umar, Nasir; Willey, Barbara; Okolo, Magdalene; Gana, Ahmed; Shuaibu, Abdulrahman; Anyanti, Jennifer; Marchant, Tanya; Spicer, Neil; (2021) 'A seamless transition': how to sustain a community health worker scheme within the health system of Gombe state, northeast Nigeria. Health policy and planning, 36 (7). pp. 1067-1076. ISSN 0268-1080 DOI: https://doi.org/10.1093/heapol/czab063

Bhattacharya, Antoinette Alas; Allen, Elizabeth; Umar, Nasir; Audu, Ahmed; Felix, Habila; Schellenberg, Joanna; Marchant, Tanya; (2020) Improving the quality of routine maternal and newborn data captured in primary health facilities in Gombe State, Northeastern Nigeria: a before-and-after study. BMJ OPEN, 10 (12). e038174-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2020-038174

Exley, Josephine; Hanson, Claudia; Umar, Nasir; Willey, Barbara; Shuaibu, Abdulrahman; Marchant, Tanya; (2020) Provision of essential evidence-based interventions during facility-based childbirth: cross-sectional observations of births in northeast Nigeria. BMJ OPEN, 10 (10). e037625-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2020-037625

Shobo, Olukolade George; Umar, Nasir; Gana, Ahmed; Longtoe, Peter; Idogho, Omokhudu; Anyanti, Jennifer; (2020) Factors influencing the early initiation of breast feeding in public primary healthcare facilities in Northeast Nigeria: a mixed-method study. BMJ OPEN, 10 (4). e032835-. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2019-032835

Tomlin, Keith; Berhanu, Della; Gautham, Meenakshi; Umar, Nasir; Schellenberg, Joanna; Wickremasinghe, Deepthi; Marchant, Tanya; (2020) Assessing capacity of health facilities to provide routine maternal and newborn care in low-income settings: what proportions are ready to provide good-quality care, and what proportions of women receive it? BMC pregnancy and childbirth. ISSN 1471-2393 DOI: https://doi.org/10.21203/rs.2.19609/v2

Tomlin, Keith; Berhanu, Della; Gautham, Meenakshi; Umar, Nasir; Schellenberg, Joanna; Wickremasinghe, Deepthi; Marchant, Tanya; (2020) Assessing capacity of health facilities to provide routine maternal and newborn care in low-income settings: what proportions are ready to provide good-quality care, and what proportions of women receive it? BMC Pregnancy and Childbirth, 20 (1). 289-. DOI: https://doi.org/10.1186/s12884-020-02926-8

Umar, Nasir; Quaife, Matthew; Exley, Josephine; Shuaibu, Abdulrahman; Hill, Zelee; Marchant, Tanya; (2020) Toward improving respectful maternity care: a discrete choice experiment with rural women in northeast Nigeria. BMJ Global Health, 5 (3). e002135-. DOI: https://doi.org/10.1136/bmjgh-2019-002135

Bhattacharya, Antoinette Alas; Allen, Elizabeth; Umar, Nasir; Usman, Adamu Umar; Felix, Habila; Audu, Ahmed; Schellenberg, Joanna Rm; Marchant, Tanya; (2019) Monitoring childbirth care in primary health facilities: a validity study in Gombe State, northeastern Nigeria. Journal of global health, 9 (2). 020411-. ISSN 2047-2978 DOI: https://doi.org/10.7189/jogh.09.020411

Bhattacharya, Antoinette Alas; Umar, Nasir; Audu, Ahmed; Felix, Habila; Allen, Elizabeth; Schellenberg, Joanna RM; Marchant, Tanya; (2019) Quality of routine facility data for monitoring priority maternal and newborn indicators in DHIS2: A case study from Gombe State, Nigeria. PLOS ONE, 14 (1). e0211265-. DOI: https://doi.org/10.1371/journal.pone.0211265

Makowiecka, Krystyna; Marchant, Tanya; Betemariam, Wuleta; Chaturvedi, Anuraag; Jana, Laboni; Liman, Audu; Mathewos, Bereket; Muhammad, Fatima B; Semrau, Katherine; Wunnava, Sita Shankar; +6 more... Sibley, Lynn M; Berhanu, Della; Gautham, Meenakshi; Umar, Nasir; Spicer, Neil; Schellenberg, Joanna; (2019) Characterising innovations in maternal and newborn health based on a common theory of change: lessons from developing and applying a characterisation framework in Nigeria, Ethiopia and India. BMJ Global Health, 4 (4). e001405-. DOI: https://doi.org/10.1136/bmjgh-2019-001405

Marchant, Tanya; Beaumont, Emma; Makowiecka, Krystyna; Berhanu, Della; Tessema, Tsegahun; Gautham, Meenakshi; Singh, Kultar; Umar, Nasir; Usman, Adamu Umar; Tomlin, Keith; +3 more... Cousens, Simon; Allen, Elizabeth; Schellenberg, Joanna Armstrong; (2019) Coverage and equity of maternal and newborn health care in rural Nigeria, Ethiopia and India. CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne, 191 (43). E1179-E1188. ISSN 0820-3946 DOI: https://doi.org/10.1503/cmaj.190219 Item availability may be restricted.

Umar, Nasir; Wickremasinghe, Deepthi; Hill, Zelee; Usman, Umar Adamu; Marchant, Tanya; (2019) Understanding mistreatment during institutional delivery in Northeast Nigeria: a mixed-method study. Reproductive Health, 16 (1). 174-. DOI: https://doi.org/10.1186/s12978-019-0837-z

Exley, Josephine Lr; Umar, Nasir; Moxon, Sarah; Usman, Adamu Umar; Marchant, Tanya; (2018) Newborn resuscitation in Gombe State, northeastern Nigeria. Journal of Global Health, 8 (2). 020420-. ISSN 2047-2978 DOI: https://doi.org/10.7189/jogh.08.020420

Sabot, K; Marchant, T; Spicer, N; Berhanu, D; Gautham, M; Umar, N; Schellenberg, J; (2018) Contextual factors in maternal and newborn health evaluation: a protocol applied in Nigeria, India and Ethiopia. Emerging themes in epidemiology, 15 (1). p. 2. ISSN 1742-7622 DOI: https://doi.org/10.1186/s12982-018-0071-0

Sabot, Kate; Marchant, Tanya; Spicer, Neil; Berhanu, Della; Gautham, Meenakshi; Umar, Nasir; Schellenberg, Joanna; (2018) Contextual factors in maternal and newborn health evaluation: a protocol applied in Nigeria, India and Ethiopia. Emerging themes in epidemiology, 15 (1). 2-. ISSN 1742-7622 DOI: https://doi.org/10.1186/s12982-018-0071-0

Spicer, Neil; Hamza, Yashua Alkali; Berhanu, Della; Gautham, Meenakshi; Schellenberg, Joanna; Tadesse, Feker; Umar, Nasir; Wickremasinghe, Deepthi; (2018) 'The development sector is a graveyard of pilot projects!' Six critical actions for externally funded implementers to foster scale-up of maternal and newborn health innovations in low and middle-income countries. Globalization and health, 14 (1). 74-. ISSN 1744-8603 DOI: https://doi.org/10.1186/s12992-018-0389-y

Wickremasinghe, Deepthi; Gautham, Meenakshi; Umar, Nasir; Berhanu, Della; Schellenberg, Joanna; Spicer, Neil; (2018) "It's About the Idea Hitting the Bull's Eye": How Aid Effectiveness Can Catalyse the Scale-up of Health Innovations. International journal of health policy and management, 7 (8). pp. 718-727. ISSN 2322-5939 DOI: https://doi.org/10.15171/ijhpm.2018.08

Allen, E; Avan, B; Beaumont, E; Becker, A; Berhanu, D; Gautham, M; Hill, Z; Lyons, A; Makowiecka, K; Marchant, T; +7 more... Sabot, K; Schellenberg, J; Spicer, N; Umar, N; Voller, S; Welsh, S; Wickremasinghe, D; (2017) Informed Decisions for Actions in Maternal and Newborn Health 2010–17 Report What works, why and how in maternal and newborn health. Technical Report. London School of Hygiene & Tropical Medicine, London. DOI: https://doi.org/10.17037/PUBS.04411069

Avan, Bilal Iqbal; Berhanu, Della; Umar, Nasir; Wickremasinghe, Deepthi; Schellenberg, Joanna; (2016) District decision-making for health in low-income settings: a feasibility study of a data-informed platform for health in India, Nigeria and Ethiopia. Health policy and planning, 31 Sup (Suppl). ii3-ii11. ISSN 0268-1080 DOI: https://doi.org/10.1093/heapol/czw082 Item availability may be restricted.

Marchant, T; IDEAS; (2016) Changes in maternal and newborn health care in Gombe State, Nigeria. Project Report. IDEAS, London. DOI: https://doi.org/10.17037/PUBS.02550772

Spicer, Neil; Berhanu, Della; Bhattacharya, Dipankar; Tilley-Gyado, Ritgak Dimka; Gautham, Meenakshi; Schellenberg, Joanna; Tamire-Woldemariam, Addis; Umar, Nasir; Wickremasinghe, Deepthi; (2016) 'The stars seem aligned': a qualitative study to understand the effects of context on scale-up of maternal and newborn health innovations in Ethiopia, India and Nigeria. Globalization and health, 12 (1). 75-. ISSN 1744-8603 DOI: https://doi.org/10.1186/s12992-016-0218-0

Wickremasinghe, Deepthi; (2016) Aid effectiveness principles for scale-up of innovations to improve maternal and newborn survival in Northeast Nigeria, Ethiopia and Uttar Pradesh State, in India. In: Fourth Global Symposium on Health Systems Research, 14-18.11.2016, Vancouver, Canada. https://researchonline.lshtm.ac.uk/id/eprint/3201588

Marchant, Tanya; Tilley-Gyado, Ritgak Dimka; Tessema, Tsegahun; Singh, Kultar; Gautham, Meenakshi; Umar, Nasir; Berhanu, Della; Cousens, Simon; Armstrong Schellenberg, Joanna RM; (2015) Adding content to contacts: measurement of high quality contacts for maternal and newborn health in Ethiopia, north east Nigeria, and Uttar Pradesh, India. PloS one, 10 (5). e0126840-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0126840

Umar, NA; Hajara, MJ; Khalifa, M; (2010) Reduction of client waiting time using task shifting in an anti-retroviral clinic at Specialist Hospital Bauchi, Nigeria. Technical Report. PAGEpress. DOI: https://doi.org/10.4081/jphia.2010.e8