Morenike Oluwatoyin Folayan1, Maha El Tantawi2, Jorma I Virtanen3, Carlos Alberto Feldens4, Maher Rashwan5,6, Arthur M Kemoli7, Rita Villena8, Ola B Al-Batayneh9, Rosa Amalia10, Balgis Gaffar11,12, Simin Z Mohebbi13, Arheiam Arheiam14, Hamideh Daryanavard15, Ana Vukovic16, Robert J Schroth17. 1. Department of Child Dental Health, Obafemi Awolowo University, Ile-Ife, Nigeria. toyinukpong@yahoo.co.uk. 2. Alexandria University, Alexandria, Egypt. 3. Department of Clinical Dentistry, University of Bergen, Bergen, Norway. 4. Department of Pediatric Dentistry, Univesidade Luterana Do Brasil, Canoas, Brazil. 5. Centre for Oral Bioengineering, Barts and the London, School of Medicine and Dentistry, Queen Mary University of London, Mile End Road, London, E1 4NS, UK. 6. Department of Conservative Dentistry, Faculty of Dentistry, Alexandria University, Alexandria, Egypt. 7. Department of Paediatric Dentistry and Orthodontics, University of Nairobi, Nairobi, Kenya. 8. Department of Pediatric Dentistry, San Martin de Porres University, Lima, Peru. 9. Department of Preventive Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan. 10. Preventive and Community Dentistry Department, Faculty of Dentistry, Universitas Gadjah Mada Yogyakarta, Yogyakarta, Indonesia. 11. Preventive Dental Sciences Department, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia. 12. Research Center for Caries Prevention, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran. 13. Department of Community Oral Health, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran. 14. Department of Community and Preventive Dentistry, University of Benghazi, Benghazi, Libya. 15. Dubai Health Authority, Dubai, United Arab Emirates. 16. Department of Pediatric and Preventive Dentistry, School of Dental Medicine, University of Belgrade, Belgrade, Serbia. 17. Department of Preventive Dental Science, Dr. Gerald Niznick College of Dentistry, and Departments of Pediatrics and Child Health and Community Health Sciences, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada.
Abstract
BACKGROUND: Universal health care (UHC) may assist families whose children are most prone to early childhood caries (ECC) in accessing dental treatment and prevention. The purpose of this study was to determine the association between UHC, health expenditure and the global prevalence of ECC. METHODS: Health expenditure as percentage of gross domestic product, UHC service coverage index, and the percentage of 3-5-year-old children with ECC were compared among countries with various income levels using one-way analysis of variance (ANOVA). Three linear regression models were developed, and each was adjusted for the country income level with the prevalence of ECC in 3-5-year-old children being the dependent variable. In model 1, UHC service coverage index was the independent variable whereas in model 2, the independent variable was the health expenditure as percentage of GDP. Model 3 included both independent variables together. Regression coefficients (B), 95% confidence intervals (CIs), P values, and partial eta squared (ƞ2) as measure of effect size were calculated. RESULTS: Linear regression including both independent factors revealed that health expenditure as percentage of GDP (P < 0.0001) was significantly associated with the percentage of ECC in 3-5-year-old children while UHC service coverage index was not significantly associated with the prevalence of ECC (P = 0.05). Every 1% increase in GDP allocated to health expenditure was associated with a 3.7% lower percentage of children with ECC (B = - 3.71, 95% CI: - 5.51, - 1.91). UHC service coverage index was not associated with the percentage of children with ECC (B = 0.61, 95% CI: - 0.01, 1.23). The impact of health expenditure on the prevalence of ECC was stronger than that of UHC coverage on the prevalence of ECC (ƞ2 = 0.18 vs. 0.05). CONCLUSIONS: Higher expenditure on health care may be associated with lower prevalence of ECC and may be a more viable approach to reducing early childhood oral health disparities than UHC alone. The findings suggest that currently, UHC is weakly associated with lower global prevalence of ECC.
BACKGROUND: Universal health care (UHC) may assist families whose children are most prone to early childhood caries (ECC) in accessing dental treatment and prevention. The purpose of this study was to determine the association between UHC, health expenditure and the global prevalence of ECC. METHODS: Health expenditure as percentage of gross domestic product, UHC service coverage index, and the percentage of 3-5-year-old children with ECC were compared among countries with various income levels using one-way analysis of variance (ANOVA). Three linear regression models were developed, and each was adjusted for the country income level with the prevalence of ECC in 3-5-year-old children being the dependent variable. In model 1, UHC service coverage index was the independent variable whereas in model 2, the independent variable was the health expenditure as percentage of GDP. Model 3 included both independent variables together. Regression coefficients (B), 95% confidence intervals (CIs), P values, and partial eta squared (ƞ2) as measure of effect size were calculated. RESULTS: Linear regression including both independent factors revealed that health expenditure as percentage of GDP (P < 0.0001) was significantly associated with the percentage of ECC in 3-5-year-old children while UHC service coverage index was not significantly associated with the prevalence of ECC (P = 0.05). Every 1% increase in GDP allocated to health expenditure was associated with a 3.7% lower percentage of children with ECC (B = - 3.71, 95% CI: - 5.51, - 1.91). UHC service coverage index was not associated with the percentage of children with ECC (B = 0.61, 95% CI: - 0.01, 1.23). The impact of health expenditure on the prevalence of ECC was stronger than that of UHC coverage on the prevalence of ECC (ƞ2 = 0.18 vs. 0.05). CONCLUSIONS: Higher expenditure on health care may be associated with lower prevalence of ECC and may be a more viable approach to reducing early childhood oral health disparities than UHC alone. The findings suggest that currently, UHC is weakly associated with lower global prevalence of ECC.
Entities:
Keywords:
Early childhood caries; Health expenditure; Universal health coverage
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