Table 2.
Comparison of the characteristics of participants with and without MAFLD
| Variables | Without MAFLD n = 5 5613 |
With MAFLD n = 10 706 |
P value |
|---|---|---|---|
| Age (years) | 49.45 (11.11) | 49.59 (10.23) | 0.215 |
| Gender (%) | < 0.001 | ||
| Male | 19 728 (35.5) | 5145 (48.1) | |
| Female | 35 885 (64.5) | 5561 (51.9) | |
| Ethnicity (%) | < 0.001 | ||
| Han majority | 31 836 (57.2) | 6535 (61.0) | |
| Ethnic minority | 23 777 (42.8) | 4171 (39.0) | |
| Region (%) | < 0.001 | ||
| Urban | 18 288 (32.9) | 4781 (44.7) | |
| Rural | 37 325 (67.1) | 5925 (55.3) | |
| Physical activity (METs-h/day)a | 27.90 (18.44) | 24.92 (17.36) | < 0.001 |
| Central obesityb (%) | < 0.001 | ||
| Yes | 11,831 (21.3) | 6969 (65.2) | |
| No | 43,645 (78.7) | 3721 (34.8) | |
| BMI (kg/m2) | 23.17 (3.02) | 27.13 (3.08) | < 0.001 |
| Alcohol intakec (%) | < 0.001 | ||
| Heavy | 3357 (6.0) | 806 (7.5) | |
| Light | 52,256 (94.0) | 9900 (92.5) | |
| Education level (%) | < 0.001 | ||
| No formal school | 14 120 (25.4) | 2488 (23.2) | |
| Primary school | 13 835 (24.9) | 2641 (24.7) | |
| Middle and high school | 21 061 (37.9) | 4180 (39.0) | |
| College or university | 6596 (11.9) | 1397 (13.0) | |
| Annual income (%) | < 0.001 | ||
| < ¥12,000 | 9230 (16.6) | 1537 (14.4) | |
| ¥12,000–19999 | 10 178 (18.3) | 1839 (17.2) | |
| ¥20,000–59999 | 20 606 (37.1) | 3851 (36.0) | |
| ¥60,000–99999 | 8061 (14.5) | 1706 (15.9) | |
| ¥100,000–199,999 | 5979 (10.8) | 1386 (13.0) | |
| > ¥200,000 | 1486 (2.7) | 377 (3.5) | |
| Smoking status (%) | < 0.001 | ||
| Never | 42 999 (77.3) | 7666 (71.6) | |
| Previous | 10 554 (19.0) | 2471 (23.1) | |
| Current | 2060 (3.7) | 569 (5.3) |
BMI body mass index
aMETs-h/day: hours of metabolic equivalent tasks per day
bCentral obesity was defined as waist circumference ≥ 90 cm in men or ≥ 80 cm in women
cHeavy alcohol intake was defined as ≥ 140 g/week for men and ≥ 70 g/week for women