Analysis of vitamin A level and its influencing factors among students in monitoring area of nutritional health status of students in 2021

SUN Wenxin; XU Peipei; GAN Qian; XU Juan; YANG Titi; CAO Wei; WANG Hongliang; LUO Ruihe; PAN Hui; WANG Zhifang; FU Yimeng; ZHANG Qian

doi:10.16462/j.cnki.zhjbkz.2024.05.005

Volume 28 Issue 5

May 2024

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Article Navigation > CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION > 2024 > 28(5): 523-529

SUN Wenxin, XU Peipei, GAN Qian, XU Juan, YANG Titi, CAO Wei, WANG Hongliang, LUO Ruihe, PAN Hui, WANG Zhifang, FU Yimeng, ZHANG Qian. Analysis of vitamin A level and its influencing factors among students in monitoring area of nutritional health status of students in 2021[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2024, 28(5): 523-529. doi: 10.16462/j.cnki.zhjbkz.2024.05.005

Citation:

SUN Wenxin, XU Peipei, GAN Qian, XU Juan, YANG Titi, CAO Wei, WANG Hongliang, LUO Ruihe, PAN Hui, WANG Zhifang, FU Yimeng, ZHANG Qian. Analysis of vitamin A level and its influencing factors among students in monitoring area of nutritional health status of students in 2021[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2024, 28(5): 523-529. doi: 10.16462/j.cnki.zhjbkz.2024.05.005

Citation:

SUN Wenxin, XU Peipei, GAN Qian, XU Juan, YANG Titi, CAO Wei, WANG Hongliang, LUO Ruihe, PAN Hui, WANG Zhifang, FU Yimeng, ZHANG Qian. Analysis of vitamin A level and its influencing factors among students in monitoring area of nutritional health status of students in 2021[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2024, 28(5): 523-529. doi: 10.16462/j.cnki.zhjbkz.2024.05.005

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Analysis of vitamin A level and its influencing factors among students in monitoring area of nutritional health status of students in 2021

doi: 10.16462/j.cnki.zhjbkz.2024.05.005

1.
National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China
2.
National Health Commission, Key Laboratory of Trace Element Nutrition, National Institute for Nurtrition and Health, Beijing 100050, China

Funds:

The Operation of Public Health Emergency Response Mechanisms of Chinese Center for Disease Control and Prevention 131031107000180006

More Information

Corresponding author: ZHANG Qian, E-mail: zhangqian7208@163.com
Received Date: 2023-06-15
Rev Recd Date: 2023-09-20

Available Online: 2024-06-05

Publish Date: 2024-05-10

Abstract

Abstract

Objective To analyze the vitamin A levels and influencing factors among students in the monitoring areas of the Nutritional Improvement Program for Rural Compulsory Education Students in 2021. Methods Serum vitamin A concentration 0.2-0.3 μg/mL is defined as marginal vitamin A deficiency, < 0.2 μg/mL is defined as vitamin A deficiency, > 0.3 μg/mL is defined as vitamin A insufficient. In the monitoring area of the Nutritional Improvement Program, questionnaire surveys, physical examinations, and laboratory tests were conducted on primary and secondary school students aged 6-17 and their vitamin A levels and influencing factors were analyzed. Results Totally 45 702 primary and secondary school students were included in this study. The average of serum vitamin A level was 0.37 (0.31-0.44) μg/mL, the marginal deficiency rate was 18.3%, and the deficiency rate was 1.0%. Differences in vitamin A nutritional status were observed across different genders, ages, and school locations. Logistic regression model revealed that students aged 6- < 9 years (OR=3.892, 95% CI: 3.303-4.587, P < 0.001), whose schools are located in rural areas (OR=1.148, 95% CI: 1.072-1.229, P < 0.001), parents working outside (OR=1.234, 95% CI: 1.153-1.321, P < 0.001) and students with lower maternal education levels (OR=1.169, 95% CI: 1.046-1.306, P=0.006), students who could not guarantee to drink milk every day (OR=1.155, 95% CI: 1.075-1.240, P < 0.001) and consume less than 4 kinds of vegetables per day (OR=1.081, 95% CI: 1.006-1.163, P=0.034) have an increased risk of vitamin A deficiency. Conclusions The prevalence of marginal vitamin A deficiency among students in monitoring areas in 2021 was still high, especially among younger children. Maternal education level, intake of milk and vegetables are potential influencing factors of vitamin A deficiency, which need to be paid attention to by all sectors of society.
- Vitamin A,
- Primary and middle school student,
- Influencing factors

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References(19)

References

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