Table 1 Comparison of baseline characteristics according to NAFLD
Characteristics | Without NAFLD (n = 3223) | With NAFLD (n = 140) | P value |
|---|---|---|---|
Age, year | 33 ± 8 | 37 ± 11 | < 0.001 |
Male, n(%) | 2053 (63.7%) | 86 (61.4%) | 0.585 |
BMI, kg/m2 | 22.3 ± 3.3 | 21.9 ± 3.2 | 0.174 |
High school above, n(%) | 2632 (81.7%) | 109 (77.9%) | 0.323 |
Annual family personal income (thousand yuan) | 0.601 | ||
< 20 | 317 (9.8%) | 15 (10.7%) | |
20–40 | 236 (7.3%) | 12 (8.6%) | |
40–60 | 298 (9.2%) | 16 (11.4%) | |
60–80 | 473 (14.7%) | 16 (11.4%) | |
Physical activity ≥ 1 time/week, n (%) | 1230 (38.2%) | 65 (46.4%) | 0.06 |
Sleeping pills using | 193 (6.0) | 16 (11.4%) | 0.009 |
Nocturnal sleeping duration/h, n(%) | 0.058 | ||
≤ 7 h | 2154 (66.8%) | 103 (73.6%) | |
> 7 h | 1069 (33.2%) | 37 (26.4%) | |
Daytime dapping duration/min, n(%) | 0.043 | ||
0 | 391 (12.1%) | 9 (6.4%) | |
< 30 min | 346 (10.8%) | 11 (7.9%) | |
30-60 min | 1653 (51.3%) | 79 (56.4%) | |
≥ 60 min | 833 (25.8%) | 41 (29.3%) | |
Smoking, n(%) | 0.896 | ||
Never | 2984 (92.6%) | 126 (90.0%) | |
Current | 141 (4.4%) | 11 (7.9%) | |
Quitted | 32 (1.0%) | 2 (1.4%) | |
Passive | 66 (2.0%) | 1 (0.7%) | |
Often staying up late | 1751 (54.3%) | 71 (50.7%) | 0.377 |
Sedentary duration/(h per day) | 0.387 | ||
> 8 | 703 (21.8%) | 36 (25.7%) | |
Coronary disease, n (%) | 22 (0.7%) | 0 | 0.999 |
Diabetes, n (%) | 7 (0.2%) | 0 | 0.742 |
Hypertension, n (%) | 64 (2.0%) | 8 (5.7%) | 0.007 |
LDL-C | 3.1 (0.7) | 3.2 (0.6) | 0.075 |
Triglycerides | 1.2 (0.9) | 1.2 (0.9) | 0.672 |
HDL-C | 1.3 (0.2) | 1.4 (0.3) | 0.028 |
Total cholesterol | 4.8 (0.9) | 5.0 (0.8) | 0.014 |