Table 3

OR of NAFLD by the PSQI and its components in men (n=1864)

ScoreNModel 1Model 2
OR (95% CI)P valueOR (95% CI)P value
Global PSQI score≤512021.00 (reference)1.00 (reference)
≥66621.08 (0.89–1.30)0.4581.17 (0.94–1.47)0.161
Subjective sleep quality02231.00 (reference)1.00 (reference)
112521.10 (0.83–1.47)0.5061.17 (0.83–1.64)0.377
23631.24 (0.89–1.75)0.2071.28 (0.86–1.90)0.224
3262.02 (0.87–4.67)0.1011.68 (0.64–4.45)0.295
Sleep latency010111.00 (reference)1.00 (reference)
16241.05 (0.86–1.29)0.6221.03 (0.82–1.31)0.781
21861.37 (1.00–1.88)0.0501.66 (1.14–2.02)0.008
3431.31 (0.70–2.43)0.3981.31 (0.63–2.74)0.467
Sleep duration03681.00 (reference)1.00 (reference)
16560.99 (0.76–1.28)0.9230.91 (0.67–1.23)0.537
27781.01 (0.78–1.31)0.9370.89 (0.66–1.21)0.458
3621.04 (0.60–1.80)0.8941.00 (0.52–1.93)0.999
Habitual sleep efficiency012621.00 (reference)1.00 (reference)
15001.00 (0.81–1.23)0.9911.01 (0.79–1.29)0.931
2640.94 (0.57–1.57)0.8200.79 (0.42–1.47)0.456
3381.23 (0.64–2.37)0.5341.71 (0.82–3.55)0.152
Sleep disturbance06071.00 (reference)1.00 (reference)
112181.07 (0.88–1.30)0.4991.08 (0.86–1.37)0.493
2381.13 (0.58–2.19)0.7260.93 (0.41–2.10)0.852
31
Use of sleep medication017301.00 (reference)1.00 (reference)
1260.97 (0.44–2.12)0.9391.09 (0.46–2.62)0.842
2191.06 (0.43–2.65)0.8941.40 (0.53–3.90)0.522
3890.60 (0.38–0.95)0.0300.61 (0.36–1.04)0.068
Daytime dysfunction09121.00 (reference)1.00 (reference)
17021.00 (0.82–1.22)0.9921.16 (0.92–1.47)0.203
22101.11 (0.82–1.50)0.5201.16 (0.81–1.66)0.414
3402.82 (1.39–5.75)0.0042.04 (0.92–4.54)0.079
  • Model 1: adjustment for age, smoking habits and physical activity; model 2: model 1 plus adjustment for body mass index.

  • NAFLD, non-alcoholic fatty liver disease; PSQI, Pittsburgh Sleep Quality Index.