Observational Study
Copyright ©The Author(s) 2022.
World J Hepatol. Mar 27, 2022; 14(3): 612-622
Published online Mar 27, 2022. doi: 10.4254/wjh.v14.i3.612
Table 1 Demographic, lifestyle and general health comorbidities of participants according to the presence of nonalcoholic fatty liver disease

All (n = 589)
Non-NAFLD (n = 354)
NAFLD (n = 235)
P value
Age, mean ± SD59.97 ± 6.9759.99 ± 7.4059.94 ± 6.290.3959
Male, %254 (43.12%)131 (37.01%)123 (52.34%)0.0002
White, %564 (95.76%)340 (96.05%)224 (95.32%)0.6686
Smoking status, %
Current70 (11.90%)47 (13.31%)23 (9.79%)0.1958
Former239 (40.65%)141 (39.94%)98 (41.70%)0.6706
Non-smoker279 (47.45%)165 (46.74%)114 (48.51%)0.674
Regular exercise, %
Physically Inactive171 (29.03%)85 (24.01%)86 (36.60%)0.001
Moderate physical activity230 (39.05%)139 (39.27%)91 (38.72%)0.8949
Ideal physical activity188 (31.92%)130 (36.72%)58 (24.68%)0.0021
Obesity, % BMI
Lean270 (45.84%)255 (72.03%)15 (6.38%)< 0.0001
Overweight234 (39.73%)99 (27.97%)135 (57.45%)< 0.0001
Obese85 (14.43%)0 (0.00%)85 (36.17%)< 0.0001
History of CVD, %40 (6.79%)23 (6.50%)17 (7.23%)0.7278
History of arthritis, %68 (11.54%)39 (11.02%)29 (12.34%)0.6226
History of cancer (any), %97 (16.47%)48 (13.56%)49 (20.85%)0.0195
Insulin resistance, %157 (26.66%)48 (13.56%)109 (46.38%)< 0.0001
Hypertension, %117 (19.86%)66 (18.64%)51 (21.70%)0.3623
Hyperlipidemia, %446 (75.72%)245 (69.21%)201 (85.53%)< 0.0001
Diabetes, %74 (12.56%)19 (5.37%)55 (23.40%)< 0.0001
Metabolic syndrome1, %125 (21.26%)23 (6.52%)102 (43.40%)< 0.0001
BDI, mean ± SD4.00 ± 3.713.67 ± 3.624.49 ± 3.800.0041
Table 2 Demographic, lifestyle and general health comorbidities of participants according to the presence of depression and nonalcoholic fatty liver disease

Individuals with NAFLD
Individuals without NAFLD

No depression (n = 207)
Depression (n = 28)
P value
No depression (n = 327)
Depression (n = 27)
P value
Age, mean ± SD59.91 ± 6.3460.15 ± 6.000.943360.02 ± 7.3259.61 ± 8.440.9813
Male, %115 (55.56%)8 (28.57%)0.0073125 (38.23%)6 (22.22%)0.0978
White, %197 (95.17%)27 (96.43%)0.7671316 (96.64%)24 (88.89%)0.0471
Smoking status, %
Current19 (9.18%)4 (14.29%)0.393441 (12.58%)6 (22.22%)0.1563
Former86 (41.55%)12 (42.86%)0.8949133 (40.80%)8 (29.63%)0.2549
Non-smoker102 (49.28%)12 (42.86%)0.5236152 (46.63%)13 (48.15%)0.8789
Regular exercise, %
Physically inactive69 (33.33%)17 (60.71%)0.004875 (22.94%)10 (37.04%)0.0992
Moderate physical activity86 (41.55%)5 (17.86%)0.0157129 (39.45%)10 (37.04%)0.8051
Ideal physical activity52 (25.12%)6 (21.43%)0.6706123 (37.61%)7 (25.93%)0.2259
Obesity, % BMI
Lean13 (6.28%)2 (7.14%)0.8609232 (70.95%)23 (85.19%)0.1132
Overweight118 (57.00%)17 (60.71%)0.709495 (29.05%)4 (14.81%)0.1132
Obese76 (36.71%)9 (32.14%)0.63650 (0.00%)0 (0.00%)-------
History of CVD, %14 (6.76%)3 (10.71%)0.448821 (6.42%)2 (7.41%)0.8417
History of arthritis, %21 (10.14%)8 (28.57%)0.005437 (11.31%)2 (7.41%)0.5331
History of any cancer, %46 (22.22%)3 (10.71%)0.159547 (14.37%)1 (3.70%)0.1196
Insulin resistance, %97 (46.86%)12 (42.86%)0.690247 (14.37%)1 (3.70%)0.1196
Hypertension, %44 (21.26%)7 (25.00%)0.651961 (18.65%)5 (18.52%)0.9861
Hyperlipidemia, %177 (85.51%)24 (85.71%)0.9767226 (69.11%)19 (70.37%)0.8918
Diabetes, %50 (24.15%)5 (17.86%)0.460116 (4.89%)3 (11.11%)0.1682
Metabolic syndrome1, %91 (43.96%)11 (39.29%)0.639421 (6.44%)2 (7.41%)0.8451
Table 3 Univariable and multivariable changes in beck depression inventory according to physical activity, stratified by the presence of nonalcoholic fatty liver disease

NAFLD

Non-NAFLD

% change (95%CI)
P
% change (95%CI)
P
Unadjusted-16.91 (-26.28 - -6.35)0.0024-8.96 (-18.25 - 1.38)0.0871
Age-sex adjusted-14.74 (-24.42 - -3.83)0.0095-6.79 (-16.35 - 3.87)0.203
Model 1-14.6 (-24.34 - -3.61)0.01-3.43 (-13.64 - 7.98)0.54
Model 2-16.12 (-25.6 - -5.44)0.004-3.27 (-13.49 - 8.15)0.5592
Table 4 Univariable and multivariable changes in beck depression inventory score according to the presence of nonalcoholic fatty liver disease and level of physical activity

Unadjusted
Age-sex adjusted
Model 1

Model 2

Group
% change (95%CI)
P
% change (95%CI)
P
% change (95%CI)
P
% change (95%CI)
P
Non-NAFLD with physical idealReferenceReferenceReferenceReference
Non-NAFLD with physical moderate16.67 (-3.33 - 40.82)0.10811.5 (-7.68 - 34.67)0.25847.77 (-11.05 - 30.58)0.44476.99 (-11.65 - 29.56)0.4891
Non-NAFLD with physical inactivity19.85 (-2.87 - 47.89)0.091314.15 (-7.5 - 40.87)0.21748.25 (-12.74 - 34.29)0.47088.340.4645
(-12.58 - 34.26)
NAFLD with physical ideal1.23 (-20.04 - 28.15)0.9193.31 (-18.23 - 30.53)0.7849-2.43 (-24.49 - 26.08)0.851-2.19 (-24.33 - 26.45)0.866
NAFLD with physical moderate23.08 (-0.09 - 51.63)0.05123.99 (0.79 - 52.53)0.04215.680.20616.24 (-7.23 - 45.65)0.1911
(-7.7 - 44.98)
NAFLD with physical inactivity46.84 (19.28 - 80.75)0.000343.06 (16.39 - 75.84)0.000735.02 (8.03 - 68.74)0.008336.25 (9.1 - 70.16)0.0064