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Table 1 Mean 25 (OH) D concentrations by socio-demographic characteristics, physical activity, and dietary habits of UAE adolescents aged 12 to 18 Years, 2010

From: Vitamin D deficiency among healthy adolescents in Al Ain, United Arab Emirates

Characteristic

All

25 (OH) D Level, ng/mL

 

n

Mean (95%CI)

p-value

Overall

315

23.8 (22.1-24.7)

NA

Age, Y

   

15-16

142

24.2 (22.4-25.9)

 

17-18

173

23.1 (21.8-24.6)

0.373

Gender, %

   

Male

150

26.2 (24.6-27.8)

 

Female

165

21.2 (19.8-22.7))

0.000

Nationality

   

Emirati

198

23.2 (21.8-24.3)

 

Other Gulf or Arab Countries (References)

117

24.6 (21.3-26.5)

0.364

Mother education

   

No formal education

47

21.5 (19.2-23.8)

 

Up to secondary

162

23.5 (22.0-25.0)

 

College/University

49

24.8 (21.3-28.2)

0.127

Physical Activity Score

   

Low

115

22.1 (20.2-23.9)

 

Moderate

102

23.0 (21.2-24.8)

 

High

95

26.3 (24.3-28.3)

0.005

Television and Computer Use, h/day

   

Non

27

27.1 (22.5-31.7)

 

Up to 2 hours

99

24.6 (22.7-26.5)

 

More than 2 hours

186

22.5 (21.3-23.9)

0.030

Milk and milk product intake

   

Less than once per day

141

22.3 (21.0-23.7)

 

Once per day

85

24.8 (22.3-27.3)

 

More than once per day

89

24.4 (22.3-26.5)

0.127

Meals at Fast Food in past 7 days

   

Never

64

26.2 (23.3-29.1)

 

Once per week

148

23.4 (21.8-24.9)

 

More than once per week

103

22.3 (20.6-24.1)

0.042

Carbonated soft drink intake in a day

   

Less than once a day

171

23.8 (22.3-25.3)

 

Once or two times a day

70

21.4 (19.6-23.1)

 

More than two times a day

74

25.2 (22.6-27.8)

0.058

Vegtables intake in a day

   

Less thance once a day

170

23.1 (21.6-24.4)

 

Once daily

71

23.8 (21.1-26.4)

 

More than once a day

74

24.8 (22.5-27.0)

0.417