Table 5.

Prevalence of NAFLD among individuals without metabolic abnormalities

Characteristic	Prevalence of NAFLD % (95% CI)
All subjects (n=3075)	6.1 (5.0 – 7.1)
Age groups
20 to 39 years	6.2 (4.8 – 7.6)
40 to 59 years	6.3 (4.5 – 8.2)
60 to 74 years	3.6 (1.1 – 6.1)
Sex
Male	5.6 (4.0 – 7.1)
Female	6.5 (4.8 – 8.2)
Race
Non-Hispanic white	5.3 (4.0 – 6.6)
Non-Hispanic black	8.9 (6.4 – 11.4)
Mexican-American	10.5 (6.7 – 14.2)
Other	7.0 (1.0 – 13.1)
Education
Less than high school	6.9 (4.7 – 9.1)
High school	5.7 (3.9 – 7.5)
More than high school	6.1 (4.7 – 7.6)
Poverty index
Below poverty level	6.4 (3.3 – 9.5)
At or above poverty level	6.0 (4.8 – 7.3)
Current smoker
Yes	7.1 (5.0 – 9.1)
No	5.7 (4.4 – 7.1)
Country of birth
United States	6.1 (4.9 – 7.3)
Mexico	11.0 (6.0 – 16.0)
other	3.8 (0.6 – 7.0)

Abbreviations: NAFLD – nonalcoholic fatty liver disease, CI – confidence interval