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0259/2023 - Quality of anthropometric data of children under 5 years old in information systems in the state of São Paulo
Qualidade dos dados antropométricos de crianças menores de 5 anos em sistemas de informação no estado de São Paulo

Author:

• Iolanda Karla Santana dos Santos - Santos, I.K.S - <iosantanasantos@gmail.com>
ORCID: https://orcid.org/0000-0003-3347-8396

Co-author(s):

• Jéssica Cumpian Silva - Silva, J.C - <jessica.cumpian@usp.br>
ORCID: https://orcid.org/0000-0003-0362-3839
• Wolney Lisboa Conde - Conde, W.L - <wolney@usp.br>
ORCID: https://orcid.org/0000-0003-0493-134X


Abstract:

To analyze the quality of anthropometric data of children under 5 years of age in two information systems in the state of São Paulo. The sample included 2,117,108 childrenthe Food and Nutrition Surveillance System (SISVAN, Portuguese acronym) and 748,551State Milk Project (VIVALEITE, Portuguese acronym). First, we evaluated the frequency of missing values and values outside the equipment’s spectrum and calculated the digit preference index for weight. After calculating height-for-age (HAZ), weight-for-age (WAZ), and body mass index-for-age (BAZ), we flagged the biologically implausible values (BIV) and calculated the standard deviation (SD). For each municipality, we calculated the mean and the SD of HAZ, WAZ, and BAZ; and we plotted the SD values as a function of the mean. The digit preference in weight was higher among children aged 24 and 59 months in the SISVAN. The frequency of BIV for HAZ (SISVAN 2.56%; VIVALEITE 0.98%) was higher than for WAZ (SISVAN 2.10%; VIVALEITE 0.18%). For HAZ, variations among municipalities were more pronounced in VIVALEITE than in SISVAN. The height variable has low reliability in both systems. The weight variable presents satisfactory quality in VIVALEITE and unsatisfactory in SISVAN.

Keywords:

Health Information Systems; Food and Nutrition Surveillance; Data Accuracy; Anthropometry; Nutrition Assessment.

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Santos, I.K.S, Silva, J.C, Conde, W.L. Quality of anthropometric data of children under 5 years old in information systems in the state of São Paulo. Cien Saude Colet [periódico na internet] (2023/Sep). [Citado em 19/09/2024]. Está disponível em: http://cienciaesaudecoletiva.com.br/en/articles/quality-of-anthropometric-data-of-children-under-5-years-old-in-information-systems-in-the-state-of-sao-paulo/18885?id=18885&id=18885



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