BPG is committed to discovery and dissemination of knowledge
Observational Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Nov 19, 2026; 16(11): 123981
Published online Nov 19, 2026. doi: 10.5498/wjp.123981
Table 1 Baseline characteristics of the overall study population according to sleep-problem status
Characteristic
Overall, n = 12642
Sleep problems
P value
No, n = 11670 (92.3%)
Yes, n = 972 (7.7%)
Age (years)46.30 (45.70-46.90)45.85 (45.22-46.49)51.41 (50.45-52.38)< 0.0001
Gender0.1135
Male48.79 (47.85-49.73)48.48 (47.57-49.39)52.32 (47.54-57.05)
Female51.21 (50.27-52.15)51.52 (50.61-52.43)47.68 (42.95-52.46)
Race/ethnicity< 0.0001
Non-Hispanic White68.62 (65.62-71.47)68.06 (65.03-70.95)74.96 (71.30-78.29)
Non-Hispanic Black10.59 (9.21-12.15)10.56 (9.17-12.15)10.84 (9.07-12.92)
Mexican American8.69 (7.32-10.28)9.03 (7.63-10.65)4.77 (3.43-6.62)
Other Hispanic5.33 (4.28-6.62)5.40 (4.33-6.72)4.52 (3.27-6.22)
Other race6.78 (5.90-7.77)6.94 (6.03-7.98)4.90 (3.65-6.54)
Education level0.5355
Under Highschool5.93 (5.31-6.61)5.96 (5.35-6.63)5.60 (4.44-7.03)
Highschool35.55 (33.49-37.67)35.71 (33.52-37.95)33.80 (30.19-37.61)
Above Highschool58.46 (56.20-60.69)58.27 (55.91-60.60)60.61 (56.54-64.54)
Poverty income ratio2.96 (2.88-3.05)2.97 (2.88-3.05)2.90 (2.72-3.08)0.4002
Smoking status< 0.0001
Never52.90 (51.21-54.59)53.76 (52.14-55.37)43.09 (38.20-48.11)
Former23.93 (22.66-25.26)23.46 (22.16-24.83)29.28 (25.79-33.03)
Current20.55 (19.14-22.03)20.02 (18.60-21.51)26.65 (23.38-30.20)
Alcohol use< 0.0001
Never10.41 (9.36-11.56)10.41 (9.43-11.48)10.34 (7.65-13.84)
Former14.21 (13.16-15.32)13.58 (12.54-14.68)21.40 (18.22-24.98)
Mild32.51 (30.93-34.13)32.64 (31.04-34.29)31.00 (26.77-35.57)
Moderate15.28 (14.31-16.30)15.20 (14.20-16.25)16.20 (12.98-20.04)
Heavy19.52 (18.48-20.60)19.84 (18.72-21.00)15.92 (13.07-19.25)
Diastolic blood pressure (mmHg)69.17 (68.71-69.62)69.09 (68.62-69.55)70.09 (69.16-71.03)0.0387
Systolic blood pressure (mmHg)120.09 (119.56-120.62)119.87 (119.34-120.41)122.52 (121.43-123.60)< 0.0001
ALT (U/L)25.51 (25.11-25.91)25.36 (24.93-25.80)27.20 (25.64-28.77)0.0340
AST (U/L)25.62 (25.25-25.99)25.50 (25.11-25.88)26.98 (25.38-28.58)0.0849
Blood urea nitrogen (mg/dL)12.87 (12.73-13.00)12.78 (12.64-12.91)13.92 (13.50-14.34)< 0.0001
Creatinine (mg/dL)0.88 (0.88-0.89)0.88 (0.87-0.89)0.94 (0.91-0.96)< 0.0001
Bilirubin, total (mg/dL)0.77 (0.76-0.78)0.77 (0.76-0.78)0.73 (0.70-0.75)0.0025
Cholesterol, total (mg/dL)194.37 (193.25-195.49)194.57 (193.40-195.74)192.06 (188.41-195.72)0.2050
Direct HDL-cholesterol (mg/dL)54.12 (53.65-54.58)54.42 (53.94-54.91)50.65 (49.47-51.83)< 0.0001
LDH (U/L)127.54 (126.82-128.26)127.16 (126.38-127.94)131.85 (129.49-134.20)0.0006
Triglycerides (mg/dL)128.87 (125.50-132.24)126.69 (123.52-129.86)153.82 (136.60-171.05)0.0028
Diabetes mellitus< 0.0001
No68.43 (66.94-69.89)69.61 (68.09-71.09)55.09 (51.28-58.84)
Diabetes mellitus14.99 (13.99-16.04)13.80 (12.83-14.83)28.45 (24.85-32.34)
Impaired fasting glycaemia7.88 (7.20-8.61)7.79 (7.12-8.53)8.80 (6.81-11.31)
Impaired glucose tolerance8.71 (8.06-9.40)8.80 (8.11-9.54)7.66 (5.82-10.01)
Hyperlipidemia< 0.0001
No28.85 (27.57-30.17)29.74 (28.40-31.12)18.67 (15.96-21.72)
Yes71.15 (69.83-72.43)70.26 (68.88-71.60)81.33 (78.28-84.04)
Atherosclerotic cardiovascular disease< 0.0001
No91.87 (91.02-92.64)92.79 (92.02-93.49)81.61 (78.46-84.40)
Yes8.13 (7.36-8.98)7.21 (6.51-7.98)18.39 (15.60-21.54)
Congestive heart failure< 0.0001
No97.46 (97.01-97.83)97.90 (97.52-98.22)92.52 (90.00-94.45)
Yes2.54 (2.17-2.99)2.10 (1.78-2.48)7.48 (5.55-10.00)
Myocardial infarction< 0.0001
No96.36 (95.81-96.84)96.84 (96.34-97.28)90.97 (87.90-93.32)
Yes3.64 (3.16-4.19)3.16 (2.72-3.66)9.03 (6.68-12.10)
Angina pectoris< 0.0001
No97.75 (97.39-98.07)98.08 (97.72-98.37)94.17 (92.42-95.54)
Yes2.25 (1.93-2.61)1.92 (1.63-2.28)5.83 (4.46-7.58)
Sleep duration (hours) 6.89 (6.85-6.93)6.93 (6.89-6.97)6.44 (6.32-6.57)< 0.0001
TyG-ABSI7.01 (6.98-7.03)6.98 (6.96-7.01)7.27 (7.20-7.33)< 0.0001


Write to the Help Desk