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Relationship between composite dietary antioxidants index and growth indicators in children aged 3-12 years: results
Rui Wen1, Huanting Pei1, Jingyi Ren1
1Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China.
Insights
Higher intake of dietary antioxidants is linked to better child growth indicators like height and weight. Combining multiple antioxidants may offer synergistic benefits for children's development.
Area of Science:
- Nutrition Science
- Pediatric Health
- Dietary Assessment
Background:
- Nutrient intake with antioxidant properties impacts health outcomes.
- Limited evidence exists on antioxidant nutrient intake and children's growth indicators.
- This study investigates the Composite Dietary Antioxidant Index (CDAI) and child growth.
Purpose of the Study:
- To examine the association between the Composite Dietary Antioxidant Index (CDAI) and child growth indicators.
- To analyze the relationship in two distinct cohorts of children.
- To explore potential gender-specific differences and dose-response relationships.
Main Methods:
- Cross-sectional analysis using data from CCSMDM (n=1,064) and NHANES (n=2,404) databases.
- Participants aged 3-12 years.
- Multinomial logistics regression and restricted cubic splines for association and dose-response analyses, with subgroup analyses by gender.
Main Results:
- CDAI positively associated with children's height and weight across both cohorts after confounder adjustment.
- Specific antioxidant nutrients (vitamins A, E, zinc, magnesium, selenium) correlated with height and BMI.
- A stronger positive association between CDAI and height was observed in male children.
Conclusions:
- Dietary antioxidant nutrients benefit children's growth indicators, promoting height and weight.
- Consuming a combination of multiple antioxidants is recommended for potential synergistic effects.
- Further research is needed to elucidate the mechanisms behind antioxidant synergy in child development.
Background:
The intake of nutrients with antioxidant properties is closely related to numerous health outcomes. However, the evidence regarding the effects of antioxidant nutrient intake on children's growth indicators is still lacking. This study aimed to investigate the relationship between the Composite Dietary Antioxidant Index (CDAI) and child growth indicators in two cohorts.
Methods:
This study utilized data from 1,064 participants in the Children's Cohort Study on Micronutrient Deficits and Malnutrition (CCSMDM) 2023 database and 2,404 participants from the National Health and Nutrition Examination Survey (NHANES) 2003-2020 database for cross-sectional analyses, with participants aged 3-12 years. The association between CDAI and growth indicators was analyzed using multinomial logistics regression. And we also performed subgroup analyses to determine whether there were differences in gender and explored the dose-response relationship by fitting a restricted cubic spline.
Results:
After adjusting for potential confounders, CDAI was positively associated with children growth indicators (height: CCSMDM: OR =1.21, 1.04~1.43, p = 0.017; NHANES: OR = 1.11, 1.04~1.18, p = 0.001; weight: CCSMDM: OR =1.27, 1.09~1.52, p = 0.004; NHANES: OR = 1.12, 1.05~1.19, p < 0.001). Our study also found that there was a significant correlation between antioxidant nutrients (vitamin A, vitamin E, zinc, and magnesium) and height. And selenium, magnesium, and BMI were in close contact. Subgroup analysis found that CDAI had a higher positive association with height in male children.
Conclusions:
Our study revealed the benefits of dietary antioxidant nutrients for children growth indicators. These results suggested that a higher level of dietary antioxidant nutrients may help to promote children growth indicators. It is recommended to consume a combination of multiple antioxidants, as their interactions may offer potential benefits. However, further research is needed to explore the underlying mechanisms of the synergistic effects of antioxidants on children's growth and development.
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