Table 1.
Characteristics of the study population
| Characteristics | Mean±SD or n (%) |
|---|---|
| No. of participants | 11 838 |
| Age (y) | 50.12±18.02 |
| Sex | |
| Male | 5897 (49.8) |
| Female | 5941 (50.2) |
| Race/ethnicity | |
| Non-Hispanic White | 5532 (46.7) |
| Non-Hispanic Black | 2375 (20.1) |
| Hispanic | 3063 (25.9) |
| Others | 868 (7.3) |
| Annual family income (US$) | |
| <20 000 | 3162 (26.7) |
| ≥20 000 | 8676 (73.3) |
| Smoking status | |
| Current smoker | 2500 (21.1) |
| Former smoker | 3154 (26.6) |
| Never smoker | 6184 (52.2) |
| Alcohol consumption status | |
| Heavy drinker | 1755 (14.8) |
| Moderate drinker | 6581 (55.6) |
| Non-drinker | 3502 (29.6) |
| Physical activity | |
| Yes | 5114 (43.2) |
| No | 6724 (56.8) |
| BMI | |
| Underweight | 183 (1.5) |
| Normal weight | 3252 (27.5) |
| Overweight | 4134 (34.9) |
| Obese | 4269 (36.1) |
| HBV infection | 52 (0.4) |
| HCV infection | 173 (1.5) |
BMI, body mass index; HBV, hepatitis B virus; HCV, hepatitis C virus; SD, standard deviation.