Consistency of information on the provision of water fluoridation in Brazil

Out of 5,570 municipalities in Brazil, 4,546 (81.6%) had water supply systems. The agreement between data sources was 84%, with a Kappa of 0.668, indicating substantial agreement. However, the estimates of fluoridation provision exhibited an average discrepancy of 8.1 percentage points, ranging from 1.2 points in the Central-West region to 21.4 points in the Northeast region.

Conclusion:

To address these inconsistencies, it is essential to enhance information sources, ensuring more reliable data for health, sanitation authorities, and society at large.

Keywords:
Public policy; Water fluoridation; Health surveillance; Water supply

Municipalities with WSS	Fluoridation coverage			Dif. pp.	PC	Kappa	LL	UL	Meaning
Municipalities with WSS	PNSB		SNIS	Dif. pp.	PC	Kappa	LL	UL	Meaning
Brasil	4,546	69.4	61.3	8.1	84.1	0.668	0.648	0.689	Substantial
North	287	18.8	17.4	1.4	78.7	0.540	0.442	0.638	Moderate
Northeast	1,168	37.9	16.5	21.4	67.1	0.324	0.278	0.371	Regular
Southeast	1,616	88.3	84.8	3.5	92.6	0.692	0.646	0.738	Substantial
South	1,049	94.6	89.7	4.9	90.2	0.338	0.252	0.424	Regular
Central-West	426	55.9	54.7	1.2	86.6	0.751	0.696	0.806	Substantial

Associação Brasileira de Saúde Coletiva Av. Dr. Arnaldo, 715 - 2º andar - sl. 3 - Cerqueira César, 01246-904 São Paulo SP Brasil , Tel./FAX: +55 11 3085-5411 - São Paulo - SP - Brazil
E-mail: revbrepi@usp.br

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[1] Corresponding author: Paulo Frazão. Avenida Doutor Arnaldo, 715, Cerqueira César, CEP: 01246-904, São Paulo (SP), Brasil. E-mail: pafrazao@usp.br