Table 3 Factors Associated with Physical Component Summary (PCS) of SF-36 in all People with NAFLD by Univariate and Multivariate Linear Regression (n = 177).

From: The contribution of daytime sleepiness to impaired quality of life in NAFLD in an ethnically diverse population

Variables

Univariate analysis

Multivariate analysis

B coefficient

(95% CI)

p value

B coefficient

(95% CI)

p value

Age (years)

− 0.322

(− 0.479 to − 0.164)

< 0.001

− 0.252

(− 0.400 to − 0.104)

0.001

Gender (male)

2.495

(− 1.934 to 6.924)

0.268

   

Ethnicity (White)

− 1.644

(− 6.053 to 2.765)

0.463

   

Ethnicity (South Asian)

0.965

(− 3.420 to 5.350)

0.665

   

BMI (kg/m2)

− 0.780

(− 1.086 to − 0.475)

< 0.001

− 0.504

(− 0.814 to − 0.195)

0.002

Liver stiffness score (kPa)

− 0.626

(− 0.883 to − 0.370)

< 0.001

− 0.318

(− 0.580 to − 0.056)

0.018

Type 2 diabetes

− 5.297

(− 9.593 to − 1.000)

0.016

− 1.286

(− 5.375 to 2.803)

0.536

Obstructive sleep apnoea

− 7.358

(− 13.915 to − 0.8)

0.028

− 0.948

(− 6.915 to 5.020)

0.754

ALT (U/L)

0.032

(− 0.044 to 0.107)

0.407

   

AST (U/L)

0.108

(− 0.047 to 0.263)

0.168

   

ESS score > 10

− 11.298

(− 16.040 to − 6.556)

< 0.001

− 8.329

(− 12.868 to − 3.790)

< 0.001

  1. ALT alanine aminotransferase, AST aspartate aminotransferase, BMI body mass index, ESS Epworth Sleepiness Scale.
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