Teles et al.1515 Teles LFS, Paiva AA, Luzia LA, Lima-Ferreira FEL, Carvalho CMRG, Rondó PHC. The relationship between serum retinol concentrations and subclinical infection in rural Brazilian children. Rev Nutr. 2018; 31 (3): 299-310. 2018 |
To evaluate the relationship between serum retinol concentrations and subclinical infection in children from rural settlements |
Teresina (PI) (household survey in rural settlements) |
6-59 |
118 |
Reactive protein C measured by an immunoturbidimetric assay, defining values > 5mg/L as the indicative of the presence of infection (analyzes with values adjusted for protein concentration) |
Pearson's Correlation Coefficient T-student ANOVA Multiple Linear Regression |
High |
Lima et al.,1616 Lima DB, Damiani LP, Fujimori E. Deficiência de vitamina A em crianças brasileiras e variáveis associadas. Rev Paul Pediatr. 2018; 36 (2): 176-85. 2018 |
To analyze variables associated with VAD in Brazilian children aged 6 to 59 months old |
Brazil (household population survey) |
6-59 |
3.417 |
Not considered |
Poisson Regression |
High |
Novaes et al.,1717 Novaes TG, Gomes AT, Silveira KC, Souza CL, Lamounier JA, Netto MP, Capanema FD, Rocha DS. Prevalência e fatores associados com deficiência de vitamina A em crianças atendidas em creches públicas do Sudoeste da Bahia. Rev Bras Saúde Mater Infant. 2016;16 (3): 337-44. 2016 |
To determine the prevalence of VAD and associated factors in children attending daycare centers |
Vitória da Conquista (BA) (full-time public daycare centers) |
24-60 |
259 |
Reactive Protein C measured by nephelometry, defining values > 10 mg/dL as the indicative of the presence of infection (analyzes excluding the cases of altered protein) |
Chi-square Fisher's exact test Logistic Regression |
High |
Silva et al.,1818 Silva LLS, Peixoto MRG, Hadler MCCM, Silva SA, Cobayashi F, Cardoso MA. Estado nutricional de vitamina A e fatores associados em lactentes atendidos em Unidades Básicas de Saúde de Goiânia, Goiás, Brasil. Rev Bras Epidemiol. 2015; 18 (2): 490-502. 201 5 |
To evaluate the nutritional status of vitamin A and associated factors in children treated at basic health units |
Goiânia (GO) (basic health units) |
12-16 |
228 |
Reactive protein C measured by chemiluminescence, defining values> 5mg/L as the indicative of the presence of infection (analyzes with values adjusted by the concentration of CRP) |
Chi-square Multiple Linear Regression |
Average |
Figueroa Pedraza et al.,1919 Pedraza DF, Sales MC. Prevalências isoladas e combinadas de anemia, deficiência de vitamina A e deficiência de zinco em pré-escolares de 12 a 72 meses do Núcleo de Creches do Governo da Paraíba. Rev Nutr. 2014; 27(3):301-10. 2014 |
To estimate the isolated and combined prevalence of anemia, VAD and zinc deficiency in preschool children |
Daycare centers of the State Secretariat for Human Development of the Government of Paraíba (public daycare centers) |
12-72 |
240 |
Reactive protein C measured by immunoturbidimetric assay, defining values >6mg/L as the indicative of the presence of infection (analyzes excluding the cases of altered protein) |
T-student Chi-square Gross and adjusted Odds Ralio calculation |
High |
Saraiva et al.2020 Saraiva BCA, Soares MCC, Santos LC, Pereira SCL, Horta PM. Deficiência de ferro e anemia estão associadas com baixos níveis de retinol em crianças de 1 a 5 anos. J Pediatr. 2014;90(6):593-9. 2014 |
To analyze the occurrence of anemia and iron deficiency in children aged 1 to 5 years old and the association of these outcomes with retinol deficiency |
Vitória (ES) (basic health units) |
12-60 |
692 |
Not considered |
Spearman's Correlation Coefficient Poisson regression with robust adjustment of variance |
Average |
Pedraza et al.,2121 Pedraza DF, Queiroz D, Paiva AA, Cunha MAL, Lima ZM. Seguridad alimentaria, crecimiento y niveles de vitamina A, hemoglobina y zinc en niños preescolares del nordeste de Brasil. Ciênc Saúde Coletiva. 2014; 19 (2): 641-50. 2014 |
To analyze the association between food (in) security and the nutritional status of children assisted in daycare centers |
Cities with public daycare centers of the government of Paraíba (public daycare centers) |
<60 |
193 |
Reactive Protein C measured by Latex Agglutination, defining values > 6mg/L as the indicative of the presence of infection (analyzes excluding the cases of altered protein) |
T student Chi-square Multiple Linear Regression |
High |
Silva de Paula et al.,2222 Silva de Paula WKA, Caminha MFC, Figueirôa JN, Batista Filho M. Anemia e deficiência de vitamina A em crianças menores de cinco anos assistidas pela Estratégia Saúde da Família no Estado de Pernambuco, Brasil. Ciênc Saúde Coletiva. 2014; 19 (4): 1209-22. 2014 |
To describe the prevalence and factors associated with anemia and VAD in children under 5 years old assisted by the Family Health Strategy |
Pernambuco (household population survey) |
6-59 |
563 |
Not considered |
Probability ratio test Simple Poisson regression Multiple Poisson regression |
High |
Cobayashi et al.,2323 Cobayashi F, Augusto RA, Lourenço BH, Muniz PT, Cardoso MA. Factors associated with stunting and over-weight in Amazonian children: a population-based, cross-sectional study. Public Health Nutr. 2014; 17 (3): 551-60. 2014 |
To examine the prevalence of stunting and overweight in children and adolescents and identify associated biochemical indicators |
Acrelândia (AC) (household survey) |
<60 |
557 |
Reactive protein C measured by chemiluminescence, defining values > 5mg/L as the indicative of the presence of infection (analyzes with values adjusted by the concentration of CRP) |
Chi-square Simple Poisson regression Multiple Poisson regression |
High |
Miglioli et al.,2424 Miglioli TC, Fonseca VM, Gomes Junior SC, Lira PIC, Batista Filho M. Deficiência de Vitamina A em mães e filhos no Estado de Pernambuco. Ciênc Saúde Coletiva. 2013;18(5):1427-40. 2013 |
To analyze the prevalence and factors associated with VAD in mothers and their children under 5 years old |
Pernambuco (household survey) |
6-59 |
790 |
Not considered |
Complementary loglog model as a link function |
High |
Queiroz et al.2525 Queiroz D, Paiva AA, Pedraza DF, Cunha MAL, Esteves GH, Luna JG, Diniz AS. Deficiência de vitamina A e fatores associados em crianças de áreas urbanas. Rev Saúde Pública. 2013; 47 (2): 248-56. 2013 |
To estimate the prevalence of VAD and its associated factors in children |
Paraíba cities representing the regions of the outback, the wild and forest zone (household survey) |
6-59 |
1.211 |
Reactive Protein C measured by Latex Agglutination, defining values > 6mg/L as the indicative of the presence of infection (analyzes with values adjusted for the concentration of CRP) |
Chi-square Fisher's exact test Logistic Regression |
High |
Ferreira et al.,2626 Ferreira HS, Moura RMM, Assunção ML, Horta BL. Fatores associados à hipovitaminose A emcrianças menores de cinco anos. Rev Bras Saúde Matern Infant. 2013; 13 (3): 223-35. 2013 |
To identify the factors associated with VAD in children |
Semi-arid region of Alagoas (household population survey) |
<60 |
551 |
Reactive Protein C measured by Latex Agglutination, defining the presence of agglutination of visible particles on the test plate as the indicative of the presence of infection (analyzes excluding cases of altered protein) |
Poisson regression with robust adjustment of variance |
High |
Gondim et al.,2727 Gondim SSR, Diniz AS, Cagliari MPP, Araújo ES, Queiroz D, Paiva AA. Relação entre níveis de hemoglobina,concen-tração de retinol sérico e estadonutricional em crianças de 6 a 59 meses doEstado da Paraíba. Rev Nutr. 2012; 25 (4): 441-9. 2012 |
To analyze the relationship between hemoglobin levels, serum retinol concentration and nutritional status in children aged 6 to 59 months old |
Estado da Paraíba (population survey) |
6-59 |
1.108 |
Not considered |
Chi-square Fisher's exact test Poisson regression |
High |
Oliveira et al.,2828 Oliveira JS, Lira PIC, Osório MM, Sequeira LAS, Costa EC, Gonçalves FCLSP, et al. Anemia, hipovitaminose A e insegurança alimentar em crianças de municípios de Baixo Índice de Desenvolvimento Humano do Nordeste do Brasil. Rev Bras Epidemiol. 2010; 13 (4): 651-64. 2010 |
To determine the prevalence of anemia and VAD and analyze the association of food (in) security with levels of hemoglobin and serum retinol in children under 5 years old |
Gameleira (PE) e São João do Tigre (PB) (household survey) |
<60 |
959 |
Not considered |
Pearson's Correlation Coefficient T-student ANOVA Multiple Linear Regression |
Average |