Suspected Nonalcoholic Fatty Liver Disease Is Not Associated with Vitamin D Status in Adolescents after Adjustment for Obesity
Table 1
Demographic and selected physical features and nonalcoholic fatty liver disease—NHANES 2001–2004: age 12–19*.
(unweighted)
NAFLD (), %
value
Age
.10
12–15 y
799
6.82
16–19 y
831
9.88
Gender
<.001
Male
853
13.70
Female
777
2.66
Race/ethnicity
.05
Non-Hispanic White
449
8.23
Non-Hispanic Black
555
6.01
Mexican American
515
11.63
Other Hispanics
54
11.13
Other Races
57
5.77
BMI
.001
Normal weight
1035
3.25
Overweight
284
9.03
Obese
311
25.76
Waist circumference above 90 percentile
.003
Yes
891
14.18
No
739
3.14
Poverty
.30
Yes
537
10.22
No
1023
8.18
25(OH)D quartile
.05
I (≤19 ng/mL)
686
12.31
II (19 ng/mL < serum[OH]D ≤ 25 ng/mL)
452
6.91
III (25 ng/mL < serum[OH]D ≤31 ng/mL)
297
6.81
IV (≥31 ng/mL)
195
7.14
*
and 25(OH)D values were available for 1630 individuals, and so each comparison has 1630 subjects, except as regards the analyses comparing poverty versus no-poverty status as information regarding income was missing for 70 individuals .