Table 1. Baseline characteristics of non-alcoholic fatty liver disease patients and control subjects.

Variables	Case (n = 196)	Control (n = 803)	p value
Age (yr)	42.3 ± 11.9	43.5 ± 14.5	0.214
Male (%)	51.5	41	0.007
Body mass index (kg/m2)	35.7 ± 10.6	27.7 ± 4.5	< 0.001
Physical activity (MET [hr/day])	31.0 ± 3.2	34.2 ± 3.1	< 0.001
Diabetes (%)	16.6	6.8	< 0.001

Data are presented as mean ± SD for continuous variables and percent for categorically distributed variables.

MET, metabolic equivalent task.