الفهرس 
Aim of The WorkOnly 14 pages are availabe for public view
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Abstract
Vitamin D is crucial for bone health – it plays a role in calcium absorption,
increased bone mineral density, and in preventing rickets, osteomalacia and
fractures. Vitamin D deficiency is the worldwide health problem.
Vitamin D deficiency has received significant media attention in recent
years for its association with bone disorders, and for its possible association with
other adverse health outcomes, including cancer, autoimmune diseases, infections,
diabetes mellitus and cardiovascular conditions.
In children, symptoms of vitamin D deficiency include bone pain or
tenderness, dental deformities, impaired growth, increased bone fractures, muscle
cramps, short stature, and skeletal deformities such as rickets.
Therefore, the aim of this study was to assess the prevalence of vitamin D
deficiency among preschool children in family health units EL Dakhla district, New
Vally Governorate.
An analytical cross-sectional study was conducted on sample size was 170
child and increase to be 192 child then was a dropout of 12 child so the final number
of sample was 180 child. It was selected from family health facilities according to
the total number of the preschool children in each facility El-Dakhla district in the
period from 1st of February 2019 till March 2021.
Procedure of data collection:
(A) History taking:
1) Personal history
2) Assessment of socioeconomic status
3) Past family and parent history
4) The questionnaire.
(B) Examination: included assessment of:
Weight
Height
Body mass index:(BMI)
Signs of vitamin D deficiency
(C) Laboratory investigation for determination of serum level of vitamin
D:
VIDAS 25 OH Vitamin D TOTAL (VITD) is an automated quantitative test
for use on the instruments of the VIDAS device for the determination of 25-
hydroxyvitamin D Total in human serum or plasma using the ELFA technique
(Enzyme Linked Fluorescent Assay).
Age of studied children ranged 1-6 years with mean 1.49±0.5 years old. Also,
above half of the studied children were male children (52.8%) and age group
(1_3 year) was predominant (50.6%) and moderate socioeconomic level
represented (67.22%) among the studied group.
Regarding father’s education about (52.8%) of their fathers were basically
educated.
Age of the studied mothers was ranged (21_47years) and (67.8%) of them
were basically educated, about (81.7%) of the mothers were housewives.
Above half of the studied children had vitamin D deficiency (54.4 %). In
addition, about one fifth of the studied children had normal level of vitamin
D (8.9 %) and about twenty of them had vitamin CD insufficiency (36.7 %).
Regarding nutritional history of the studied group shows that breastfeeding to
the children was above three quarter of the studied children had breastfeeding
(96.7%) and (60.3%) of them had breastfeeding for more than one-year
duration. above two third of the studied group received complementary food
(68.9%) and (59.7%) of them received complementary food before one year
of age.
Above two third of the studied children, eat fish (81.1%) and about (77.4%)
of them was eating fish for one day per week. Also more than two third of the
studied children drink milk some days per week (77.8%).
There was no a significant difference between vitamin D deficient children
and normal children regarding their age, gender, weight, height, BMI.
There was statistically significant difference between vitamin D deficient
children and normal children regarding mother’s age, mother’s education,
breastfeeding, sun exposure.
There was a significant negative correlation between serum level of vitamin
D and weight of children while there were positive a significant correlation
between serum level of vitamin D and height of children.