Table 2. Prevalence of suspected NAFLD and ultrasonographically-diagnosed NAFLD stratified by marijuana use status.

	Never	Past user	Current user
Suspected NAFLD using elevated ALT (NHANES 2005–2014)			Light user	Heavy user	P-value
NAFLD (%, 95% CI)	40.7 ± 0.8 (39.0–42.4)	38.0 ± 0.8 (36.5–39.6)	30.5 ± 2.2 (26.3–35.1)	28.0 ± 2.0 (24.2–32.1)	<0.001
Gender
Men (%)	37.4	36.6	27.2	25.9	<0.001
Women (%)	43.3	39.6	34.8	32.4	0.002
Age
-40 year (%)	37.8	35.1	27.4	25.7	<0.001
≥40 year (%)	43.4	40.3	36.5	32.9	0.001
Ultrasonography-diagnosed NAFLD (NHANES III)			Current user	P-value
NAFLD (%, 95% CI)	35.0 ± 1.5 (31.9–38.1)	29.4 ± 2.1 (31.9–38.1)	23.2 ± 2.5 (18.2–28.2)	<0.001
Gender
Men (%)	38.8	30.2	21.6	<0.001
Women (%)	32.2	28.4	24.5	0.039
Age
-40 year (%)	38.8	30.2	21.6	<0.001
≥40 year (%)	32.2	28.4	24.5	0.039

Data are expressed as the proportion ± SE. Abbreviation: NAFLD, nonalcoholic fatty liver disease; ALT, alanine aminotransferase; NHANES, National Health and Nutrition Examination Survey; CI, confidence interval