Starting then stopping: a nationwide register-based study on the magnitude, predictors, and urban-rural patterns of under-vaccination variation across health centers in The Gambia

References

• Rachlin A, Danovaro-Holliday MC, Murphy P, Sodha SV, Wallace S. Routine vaccination coverage – worldwide, 2022. WEEKLY EPIDEMIOLOGICAL RECORD; 2022.
   Google Scholar
• Santé WHO= O mondiale de la. Routine vaccination coverage – worldwide, 2022 – Couverture de la vaccination systématique dans le monde, 2022. Wkly Epidemiological Rec = Relevé Épidémiologique Hebdomadaire. 2023;98:555–14.
   Google Scholar
• World Health Organization, editor. Immunization in practice: a practical guide for health staff. 2015 update. Geneva: World Health Organization; 2015.
   Google Scholar
• UNICEF, WHO. Progress and challenges with achieving universal immunization coverage: 2022 WHO/UNICEF estimates of national immunization coverage. Geneva (Switzerland): World Health Organization; 2023.
   Google Scholar
• Immunization agenda 2030; n.d.-[cited 2022 Feb 20]. Available from: https://www.immunizationagenda2030.org/
   Google Scholar
• Krieger N. Epidemiology and the people’s health. Oxford University Press; 2011. doi: 10.1093/acprof:oso/9780195383874.001.0001
   Google Scholar
• Kagoné M, Yé M, Nébié E, Sie A, Schoeps A, Becher H, et al. Vaccination coverage and factors associated with adherence to the vaccination schedule in young children of a rural area in Burkina Faso. Global Health Action. 2017;10:1399749. doi: 10.1080/16549716.2017.1399749
   PubMed Web of Science ®Google Scholar
• Janusz CB, Frye M, Mutua MK, Wagner AL, Banerjee M, Boulton ML. Vaccine delay and its association with undervaccination in children in Sub-Saharan Africa. Am J Preventive Med. 2021;60:S53–64. doi: 10.1016/j.amepre.2020.10.003
   PubMed Web of Science ®Google Scholar
• Kiely M, Boulianne N, Talbot D, Ouakki M, Guay M, Landry M, et al. Impact of vaccine delays at the 2, 4, 6 and 12 month visits on incomplete vaccination status by 24 months of age in Quebec, Canada. BMC Public Health. 2018;18:1364. doi: 10.1186/s12889-018-6235-6
   PubMed Web of Science ®Google Scholar
• Akhter S, Mahmood N, Rutherford S. A systematic review of the health of internal migrants in Bangladesh. Health Plann Manage. 2022;37:673–690. doi: 10.1002/hpm.3380
   PubMed Web of Science ®Google Scholar
• Wang J, Bai Y, Zhu J, Wang X, Liu J. Vaccination in the childhood and awareness of basic public health services program among internal migrants: a nationwide cross-sectional study. BMC Public Health. 2023;23:1257. doi: 10.1186/s12889-023-16147-z
   PubMed Web of Science ®Google Scholar
• Mensah K, Heraud JM, Takahashi S, Winter AK, Metcalf CJE, Wesolowski A. Seasonal gaps in measles vaccination coverage in Madagascar. Vaccine. 2019;37:2511–2519. doi: 10.1016/j.vaccine.2019.02.069
   PubMed Web of Science ®Google Scholar
• Tauil MDC, Sato APS, Waldman EA. Factors associated with incomplete or delayed vaccination across countries: a systematic review. Vaccine. 2016;34:2635–2643. doi: 10.1016/j.vaccine.2016.04.016
   PubMed Web of Science ®Google Scholar
• Pattnaik S, Selvaraj K, Midhun Kumar G, Elango R. Why do some parents prefer private vaccine providers in urban area? J Family Med Prim Care. 2015;4:606. doi: 10.4103/2249-4863.174331
   PubMedGoogle Scholar
• Summan A, Nandi A, Schueller E, Laxminarayan R. Public health facility quality and child immunization outcomes in rural India: a decomposition analysis. Vaccine. 2022;40:2388–2398. doi: 10.1016/j.vaccine.2022.03.017
   PubMed Web of Science ®Google Scholar
• Hu Y, Chen Y, Wang Y, Liang H, Lv H. The association between the density of vaccination workers and immunization coverage in Zhejiang province, East China. Human Vaccines Immunother. 2021;17:2319–2325. doi: 10.1080/21645515.2020.1865045
   PubMed Web of Science ®Google Scholar
• Arsenault C, Johri M, Nandi A, Mendoza Rodríguez JM, Hansen PM, Harper S. Country-level predictors of vaccination coverage and inequalities in Gavi-supported countries. Vaccine. 2017;35:2479–2488. doi: 10.1016/j.vaccine.2017.03.029
   PubMed Web of Science ®Google Scholar
• Anand S, Bärnighausen T. Health workers and vaccination coverage in developing countries: an econometric analysis. Lancet. 2007;369:1277–1285. doi: 10.1016/S0140-6736(07)60599-6
   PubMed Web of Science ®Google Scholar
• Central Statistics Department. The Gambia multiple cluster survey report 1996. Banjul, The Gambia: Central Statistics Department; 1998.
   Google Scholar
• The Gambia Bureau of Statistics, ICF International. The Gambia Demographic and Health survey 2019/2020. Banjul, The Gambia, and Rockville (MD): GBOS and ICF International; 2021.
   Google Scholar
• Vaccination schedule for The Gambia; n.d.- [cited 2023 Oct 2]. Available from:https://immunizationdata.who.int/pages/schedule-by-country/gmb.html?DISEASECODE=HEPATITISB+POLIO+MEASLES+MENINGOCOCCAL+PERTUSSIS+ ROTAVI RUS + RUB E L LA+DI PHTHE R IA 910+HAEMOPHILINFLUENZAE+HPV+PNEUMO+ T E T A N U S + T U B E R C U L O S I S+YFEVER&TARGETPOP_GENERAL=
   Google Scholar
• The Gambia Bureau of Statistics (GBOS). The Gambia multiple indicator cluster survey report, 2018. Banjul, The Gambia: Gambia Bureau of Statistics (GBOS); 2019.
   Google Scholar
• Arsenault C, Harper S, Nandi A, Rodríguez JMM, Hansen PM, Johri M. An equity dashboard to monitor vaccination coverage. Bull World Health Organ. 2017;95:128–134. doi: 10.2471/BLT.16.178079
   PubMed Web of Science ®Google Scholar
• The Gambia Bureau of Statistics, ICF International. The Gambia Demographic and Health survey 2013. Banjul, The Gambia, and Rockville (MD): GBOS and ICF International; 2014.
   Google Scholar
• Sowe A, Namatovu F, Cham B, Gustafsson PE. Impact of a performance monitoring intervention on the timeliness of hepatitis B birth dose vaccination in the Gambia: a controlled interrupted time series analysis. BMC Public Health. 2023;23:568. doi: 10.1186/s12889-023-15499-w
   PubMed Web of Science ®Google Scholar
• Word Health Organization vaccination coverage cluster surveys: reference manual. Geneva: Word Health Organization; 2018.
   Google Scholar
• The zero-dose child: explained | Gavi, the vaccine alliance; n.d.- [cited 2023 Sep 27]. Available from:https://www.gavi.org/vaccineswork/zerodose-child-explained
   Google Scholar
• Sowe A, Namatovu F, Cham B, Gustafsson PE. Missed opportunities for vaccination at point of care and their impact on coverage and urban–rural coverage inequity in the Gambia. Vaccine. 2023;41:7647–7654. doi: 10.1016/j.vaccine.2023.11.041
   PubMed Web of Science ®Google Scholar
• Guidance for evaluating progress towards elimination of measles and rubella. Wkly Epidemiological Rec. 2018;41:544–552.
   Google Scholar
• Sowe A, Njie M, Sowe D, Fofana S, Ceesay L, Camara Y, et al. Epidemiology of measles cases, vaccine effectiveness, and performance towards measles elimination in The Gambia. PLoS One. 2021;16:e0258961. doi: 10.1371/journal.pone.0258961
   PubMed Web of Science ®Google Scholar
• Measles reported cases and incidence; n.d. -[cited 2023 Sep 27]. Available from:https://immunizationdata.who.int/pages/incidence/MEASLES.html?CODE=GMB&YEAR=
   Google Scholar
• Wariri O, Nkereuwem E, Erondu NA, Edem B, Nkereuwem OO, Idoko OT, et al. A scorecard of progress towards measles elimination in 15 west African countries, 2001–19: a retrospective, multicountry analysis of national immunisation coverage and surveillance data. Lancet Glob Health. 2021;9:e280–90. doi: 10.1016/S2214-109X(20)30481-2
   PubMed Web of Science ®Google Scholar
• Germain M, Samba EM, Salaun J-J, Craven RB, Francy DB, Bowen ETW, et al. Yellow fever in the Gambia, 1978–1979: entomological aspects and epidemiological correlations. Am J Trop Med Hyg. 1980;29:929–940. doi: 10.4269/ajtmh.1980.29.912
   PubMed Web of Science ®Google Scholar
• World Health Organization = Organisation mondiale de la Santé. Weekly epidemiological record, 1981, vol. 35. Wkly Epidemiological Rec = Relevé Épidémiologique Hebdomadaire. 1981;35:276–278.
   Google Scholar
• Merlo J. A brief conceptual tutorial of multilevel analysis in social epidemiology: using measures of clustering in multilevel logistic regression to investigate contextual phenomena. J Epidemiol Community Health. 2006;60:290–297. doi: 10.1136/jech.2004.029454
   PubMed Web of Science ®Google Scholar
• Merlo J, Viciana-Fernández FJ, Ramiro- FariñFariñAs D. Bringing the individual back to small-area variation studies: a multilevel analysis of all-cause mortality in Andalusia, Spain. Soc Sci Med. 2012;75:1477–1487. doi: 10.1016/j.socscimed.2012.06.004
   PubMed Web of Science ®Google Scholar
• Kundrick A, Huang Z, Carran S, Kagoli M, Grais RF, Hurtado N, et al. Sub-national variation in measles vaccine coverage and outbreak risk: a case study from a 2010 outbreak in Malawi. BMC Public Health. 2018;18:741. doi: 10.1186/s12889-018-5628-x
   PubMed Web of Science ®Google Scholar
• Olorunsaiye CZ, Langhamer MS, Wallace AS, Watkins ML. Missed opportunities and barriers for vaccination: a descriptive analysis of private and public health facilities in four African countries. Pan Afr Med J. 2017;27. doi: 10.11604/pamj.supp.2017.27.3.12083
   Google Scholar
• Cassell JA, Leach M, Fairhead JR, Small M, Mercer CH. The social shaping of childhood vaccination practice in rural and urban Gambia. Health Policy Plan. 2006;21:373–391. doi: 10.1093/heapol/czl020
   PubMed Web of Science ®Google Scholar
• Payne S, Townend J, Jasseh M, Lowe Jallow Y, Kampmann B. Achieving comprehensive childhood immunization: an analysis of obstacles and opportunities in The Gambia. Health Policy Plan. 2014;29:193–203. doi: 10.1093/heapol/czt004
   PubMed Web of Science ®Google Scholar
• Scott S, Odutola A, Mackenzie G, Fulford T, Afolabi MO, Lowe Jallow Y, et al. Coverage and timing of children’s vaccination: an evaluation of the expanded programme on immunisation in The Gambia. PLoS One. 2014;9:e107280. doi: 10.1371/journal.pone.0107280
   PubMed Web of Science ®Google Scholar
• World bank climate change knowledge portal; n.d. [cited 2023 Oct 10]. Available from:https://climateknowledgeportal.worldbank.org/
   Google Scholar
• Robertson RL, Davis JH, Jobe K. Service volume and other factors affecting the costs of immunizations in the Gambia. Bull World Health Organ. 1984;62:729–736.
   PubMed Web of Science ®Google Scholar