Table 3.

Percentage (weighted) with an elevated alanine aminotransferase (ALT) activity^* by race-ethnicity, age and BMI^† among the total U.S. population and persons at low risk for liver injury.

	Men			Women
	N	% elevated	p-value	N	% elevated	p-value
All (N=18,518)
Race-ethnicity			<0.001			<0.001
Non-Hispanic white	4,456	34.7		4,610	28.3
Non-Hispanic black	1,714	29.5		1,889	22.4
Mexican American	1,871	48.9		2,100	35.0
Age (years)			<0.001			<0.001
20–39	2,906	40.4		3,639	23.7
40–59	2,839	41.3		2,890	33.3
60+	3,139	19.5		3,105	27.5
BMI (kg/m2)			<0.001			<0.001
<25	2,504	19.6		3,041	20.1
25–<30	3,564	37.4		2,856	28.5
30–<35	1,711	48.9		1,881	36.0
≥35	883	55.8		1,648	38.3
Low risk subgroup (N=3,747)
Race-ethnicity			0.028			0.77
Non-Hispanic white	894	15.6		1,184	18.7
Non-Hispanic black	351	18.0		241	17.1
Mexican American	329	22.7		349	16.8
Age (years)			0.10			<0.001
20–39	846	18.2		973	14.2
40–59	400	18.6		551	20.8
60+	503	13.8		474	24.6

^*Defined as >29 IU/L for men and >22 IU/L for women.

^†Analyzed in the total U.S. population only.