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Anemia prevalence and its influencing factors among students involved in the Nutrition Improvement Program for Rural Compulsory Education Students in 2019 / 中华流行病学杂志
Chinese Journal of Epidemiology ; (12): 496-502, 2022.
Article in Chinese | WPRIM | ID: wpr-935417
ABSTRACT

Objective:

To analyze anemia prevalence and its influencing factors of students involved in the Nutritional Improvement Program for Rural Compulsory Education Students in 2019.

Methods:

From the 2019 surveillance system of the Nutrition Improvement Program for Rural Compulsory Education Students, 47 297 primary and middle school students aged 6-17 were included in the study. Hemoglobin level was tested according to the criteria of WHO 2011. Anemia prevalence of different genders, ages, and regions was analyzed.

Results:

The average hemoglobin level was 135.19 g/L, with the prevalence of anemia as 8.7% in the children aged 6-17. The prevalence of anemia was 10.0% in girls, higher than that in boys (7.4%). The prevalence rates in western and central areas were 9.8% and 7.1%, respectively. From northwest, southwest, central and south, east, north to northeast areas of China, the anemia rate appeared gradually decreasing (10.2%, 9.7%, 8.3%, 7.5%, 5.7% and 3.5%). The anemia prevalence rates were 8.0%, 8.3%, and 10.9% in children from the 6-, 11-, and 14-17 years age groups, respectively. Logistic regression models revealed that students from schools not using catering software (OR=1.482, 95%CI1.296-1.694,P<0.001), schools not serving lunch (OR=1.241, 95%CI1.103-1.395,P<0.001), and from relatively low-income families (OR=1.297, 95%CI1.211-1.389, P<0.001) showed as risk factors for anemia. After supplementing students' dietary factors, the results showed that students who ate meat three or more times a week had a lower risk of anemia (OR=0.907, 95%CI0.832-0.989, P=0.026).

Conclusions:

The Nutritional Improvement Program for Rural Compulsory Education Students had an essential impact on improving the anemia prevalence of primary and middle school students. Family income, school location, economic factors, school feeding, and students' diet programs all impacted the prevalence of anemia.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Rural Population / Students / Hemoglobins / China / Prevalence / Anemia Type of study: Prevalence study / Prognostic study / Risk factors Limits: Child / Female / Humans / Male Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Rural Population / Students / Hemoglobins / China / Prevalence / Anemia Type of study: Prevalence study / Prognostic study / Risk factors Limits: Child / Female / Humans / Male Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2022 Type: Article