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A cross-sectional survey on status of nutrition and vitamin D dificinecy among nine years old children at primary schools in Haiduong city

Objectives: To examine the nutritional status and the prevalence of vitamin D deficiency of nine years old children in primary schools. Subjects and methods: A cross-sectional study was performed on 375 nine years old children who were not puberty in 3 primary schools in Haiduong city. Subjects were measured body weight, height and examined for vitamin D deficiency based on serum 25(OH)D concentration. | Journal of military pharma-medicine no6-2017 A CROSS-SECTIONAL SURVEY ON STATUS OF NUTRITION AND VITAMIN D DIFICINECY AMONG NINE YEARS OLD CHILDREN AT PRIMARY SCHOOLS IN HAIDUONG CITY Doan Huy Cuong*; Vu Thi Thu Hien**; Le Tran Ngoan*** Nguyen Quang Dung**; Le Danh Tuyen** SUMMARY Objectives: To examine the nutritional status and the prevalence of vitamin D deficiency of nine years old children in primary schools. Subjects and methods: A cross-sectional study was performed on 375 nine years old children who were not puberty in 3 primary schools in Haiduong city. Subjects were measured body weight, height and examined for vitamin D deficiency based on serum 25(OH)D concentration. Results: Prevalence of underweight, stunting, and wasting was 7.7%, 9.3% and 3.7%, respectively. Prevalence of overweight and obesity was 18.7%. There was no significant difference about prevalence of underweight, stunting, wasting and overweight-obesity between boys and girls. Overall prevalence of vitamin D deficiency was 10.6% (in girls 12.7%, in boys 8.7%). Prevalence of vitamin D insufficiency was 70.5%, higher in girls (75.7%) compared to boys (65.8%), p +2SD. * Classification of vitamin D serum status: Assessement of vitamin D deficiency was based on serum 25(OH)D concentration. Vitamin D was deficient when 25(OH)D concentration 0.05 Weight (kg) 28.2 ± 5,4 27.6 ± 5.0 > 0.05 Height (cm) 129.5 ± 5.4 129.8 ± 6.0 > 0.05 WAZ (Zsore) -0.39 ± 1.22 -0.54 ± 1.11 > 0.05 HAZ (Zscore) -0.78 ± 0.91 -0.79 ± 0.99 > 0.05 BAZ (Zsore) 0.07 ± 1.28 -0.14 ± 1.05 > 0.05 Study results showed that there was no significant difference about anthropometric characteristics between boys and girls: age, weight, height, Zscore WAZ, Zscore HAZ, Zscore BAZ. Table 2: Prevalence of malnutrition and overweight, obesity of subjects. Subjects Boys Girls Total Nutritional status (n = 198) (n = 177) (n = 375) Underweight, n (%) 16 (8.1) 13 (7.3) 29 (7.7) > 0.05 Stunting, n (%) 16 .