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. 2013 Jan 14;13:33. doi: 10.1186/1471-2458-13-33

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

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