Association between School Performance and Anemia in Adolescents in Mexico

Mosiño, Alejandro; Villagómez-Estrada, Karen P.; Prieto-Patrón, Alberto

doi:10.3390/ijerph17051466

Cited by 20 publications

(20 citation statements)

References 23 publications

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“…And these total effects were found only in female or subpopulation aged 11 years, which meant anemia status may mainly affect the girls and children in puberty. Our ndings were similar to those of other studies in China and abroad 7,8,17,18 , and provided new evidence for the relationship between anemia and learning performance.…”

Section: Discussionsupporting

confidence: 90%

Relationship between anemia and learning performance in Chinese primary school students: evidence from a large national survey

Wang

2023

Preprint

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This study explored the association between anemia and learning performance, and the possible factors mediating this association among Chinese adolescents. Data of 17695 Grade 4 students from China Education Panel Survey were analyzed. Anemia was diagnosed according to the World Health Organization’s reference. Test scores for Chinese, mathematics and English were gathered from the final examination of previous semester. An ordinary least squares regression and mediation effect analysis were conducted. Our findings found the prevalence of anemia was 6.52% among Chinese Grade 4 students. Students without anemia had a higher average test score for three academic subjects than students with anemia (P = 0.000); their test scores for Chinese, mathematics, and English were also higher (P < 0.05). Multivariate regression analysis showed a negative association between anemia and average test scores as well as individual test scores for the three subjects. Mediation analysis found that anemia affected learning performance directly (P < 0.05), and indirectly by decreasing the cognition score (P < 0.05). The indirect effect was 19.9% of the total effect. Findings highlighted anemia affected learning performance both directly and indirectly. Nutrition-related interventions should be implemented to prevent a decrease in learning performance among students with anemia.

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Section: Discussionsupporting

confidence: 90%

Relationship between anemia and learning performance in Chinese primary school students: evidence from a large national survey

Wang

2023

Preprint

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“…16 If the anemia is not corrected on time, irreversible long-term complications such as bone diseases, liver and spleen enlargement, growth disorders, decreased motor activity, social inattention, and severe cognitive impairments will follow. [15][16][17][18] Although knowledge of the status of anemia in newborns is very important, global data on the prevalence of anemia do not include this age group and there are very insufficient studies of anemia in newborns. 19 Although newborn anemia can have severe effects on the health and wellbeing of newborns along their life course, it receives little attention from health-care providers and researchers in low-income countries.…”

Section: Introductionmentioning

confidence: 99%

Prevalence of Anemia and Associated Factors Among Term Newborns in Nekemte Specialized Hospital, Western Ethiopia

Dereje¹,

Etefa²,

Gebremariam³

et al. 2021

JMDH

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Background Anemia is a global public health problem that affects approximately one-third of the global population. Infants and children are the ones to develop both short-term and long-term devastating complications from anemia. Although anemia is a very big public health concern, newborns, especially in developing countries, are usually overlooked and undiagnosed. Purpose The aim of this study was to assess the prevalence of anemia and associated factors among term newborns in Nekemte Specialized Hospital, Western Ethiopia. Methods A facility-based cross-sectional study involving 278 newborns was conducted from October to November, 2020 with an interview-based questionnaire that included maternal socio-demographic and obstetrics characteristics, newborn’s weight and sex. The data were analyzed with SPSS version 20. The prevalence of newborn anemia was shown in percentage and as a pie-chart. Bivariate analysis and binary logistic regression were used to identify the predictors of anemia in the term newborn. Results The overall prevalence of newborn anemia in the hospital was 29.1%. Maternal anemia (AOR: 3.95, 95% C.I.: 1.97–7.92), delivery by cesarean section (AOR: 4.17, 95% C.I.: 1.89–9.20), vaginal bleeding during pregnancy (AOR: 5.43, 95% C.I.: 1.60–18.39), and maternal failure to take iron-folate supplements during pregnancy (AOR: 2.17, 95% C.I.:1.07–4.41) were factors associated with newborn anemia. Conclusion Anemia among newborns in the hospital was a moderate public health problem. Policy makers should consider maternal health education and appropriate health interventions to reduce the problem. In addition, further longitudinal studies are needed to identify specific causes of newborn anemia in order to prevent the possible complications.

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“…Some previous studies reported hemoglobin continues to increase with age before reaching a plateau among teenagers [ 19 ], our results were consistent with these findings. With the improvement of living material level, the incidence of adolescence anemia due to iron deficiency is greatly reduced, hemoglobin showed an upward trend as the body gradually develops and matures [ 20 , 21 ]. Song W [ 22 ] reported similar results that hemoglobin peaks earlier in adolescent females than in males, periodic blood loss in females may be the cause of this result [ 23 ].…”

Section: Discussionmentioning

confidence: 99%

Age and sex trend differences in hemoglobin levels in China: a cross-sectional study

Cao

Ren

et al. 2023

BMC Endocr Disord

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Background Both age and gender are the influence factors of hemoglobin concentration. However, the changing trend of hemoglobin levels between males and females with age remains unclear. This study aimed to explore their changing characteristics in different genders. Methods A cross-sectional study was conducted in Physical Examination Center of the First Affiliated Hospital of Wannan Medical College in Wuhu, China from 2014 to 2016. The generalized linear model was applied to explore the relationship between age, gender and hemoglobin levels. Results Among the 303,084 participants, the mean age for females and males was 46.9 ± 13.4(15–98) and 48.1 ± 13.7(14–98) years old, respectively. Generalized smoothing splines showed that hemoglobin levels increased up to age 25 and then decreased in men; in women the levels increased up until age 20, and then decreased, with slight increase again (β = 0.244, P < 0.01). After dividing all participants into hyperglycemia and normal groups, only the normal female group showed a significant upward trend (β = 0.257, P < 0.01) between ages 50–59. Conclusions Hemoglobin concentration changes with age and the curve is different in males and females. The slightly upward trend of female hemoglobin in the age range of 50–59 years old should be considered in developing the reference range of hemoglobin making.

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Association between School Performance and Anemia in Adolescents in Mexico

Cited by 20 publications

References 23 publications

Relationship between anemia and learning performance in Chinese primary school students: evidence from a large national survey

Relationship between anemia and learning performance in Chinese primary school students: evidence from a large national survey

Prevalence of Anemia and Associated Factors Among Term Newborns in Nekemte Specialized Hospital, Western Ethiopia

Age and sex trend differences in hemoglobin levels in China: a cross-sectional study

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