Table 1 The demographic characteristics of the study population
Variables | Total (n = 2,460) | Stratified by sitting time | p | ||
|---|---|---|---|---|---|
< 6 h/d (n = 1,119) Weighted %: 42.3 | 6–8 h/d (n = 812) Weighted %: 32.4 | > 8 h/d (n = 529) Weighted %: 25.3 | |||
Age, M (Q₁, Q₃) | 65.00 (54.00,74.00) | 64.00 (53.00,73.00) | 67.00 (58.00,76.00) | 62.00 (53.00,74.00) | < 0.001 |
Physical activity, M (Q₁, Q₃) | 840.00 (0.00,2,880.00) | 1,628.12 (240.00,5,280.00) | 720.00 (0.00,2,266.01) | 200.00 (0.00,1,320.00) | < 0.001 |
PHQ-9 score, n (%) | |||||
0–4 | 1,772 (74.1) | 817 (74.8) | 584 (73.3) | 371 (73.9) | 0.845 |
≥ 5 | 688 (25.9) | 302 (25.2) | 228 (26.7) | 158 (26.1) | |
Sex, n (%) | 0.749 | ||||
Men | 1,143 (42.2) | 523 (41.1) | 382 (42.8) | 238 (42.3) | |
Women | 1,317 (57.8) | 596 (58.9) | 430 (57.2) | 291 (57.7) | |
Race, n (%) | < 0.001 | ||||
Hispanic | 371 (6.2) | 239 (9.2) | 94 (4.8) | 38 (2.9) | |
Non-Hispanic white | 1,516 (83.0) | 619 (79.4) | 524 (84.3) | 373 (87.5) | |
Non-Hispanic black | 420 (6.6) | 197 (7.1) | 142 (6.9) | 81 (5.3) | |
Others | 153 (4.2) | 64 (4.3) | 52 (4.0) | 37 (4.3) | |
Education level, n (%) | < 0.001 | ||||
≤High school | 1,089 (33.7) | 558 (40.4) | 353 (33.0) | 178 (24.3) | |
College | 750 (32.1) | 316 (30.3) | 255 (33.9) | 179 (33.4) | |
> College | 621 (34.2) | 245 (29.3) | 204 (33.1) | 172 (42.3) | |
Marital status, n (%) | 0.344 | ||||
Not married | 1,021(35.2) | 427 (33.7) | 359 (36.6) | 235 (37.9) | |
Married/living with partner | 1,439 (64.2) | 692 (66.3) | 453 (63.4) | 294 (62.1) | |
Poverty income ratio, n (%) | 0.009 | ||||
< 1.3 | 596 (15.2) | 291 (16.1) | 195 (15.2) | 110 (14.0) | |
1.3–3.5 | 1,136 (42.1) | 550 (45.9) | 371 (40.6) | 215 (36.2) | |
> 3.5 | 728 (42.7) | 278 (38.0) | 246 (44.2) | 204 (49.8) | |
BMI, n (%), kg/m2 | < 0.001 | ||||
< 25 | 593 (25.1) | 288 (28.7) | 187 (22.9) | 118 (21.7) | |
≥ 25 and < 30 | 893 (34.7) | 441 (38.6) | 296 (34.0) | 156 (29.6) | |
≥ 30 | 974 (40.2) | 390 (32.7) | 329 (43.1) | 255 (48.7) | |
Smoking status, n (%) | 0.089 | ||||
Never | 1,117 (46.2) | 518 (44.0) | 369 (46.7) | 230 (47.6) | |
Now | 394 (15.6) | 190 (18.9) | 127 (14.6) | 77 (12.3) | |
Ever | 949 (38.2) | 411 (37.1) | 316 (38.7) | 222 (40.1) | |
Alcohol use, n (%) | 0.436 | ||||
Never | 580 (19.2) | 263 (19.4) | 201 (21.1) | 116 (16.7) | |
Now | 1,454 (66.8) | 648 (65.3) | 474 (65.9) | 332 (70.1) | |
Ever | 426 (14.0) | 208 (15.3) | 137 (13.0) | 81 (13.2) | |
Hypertension, n (%) | 0.019 | ||||
No | 1,008 (47.2) | 500 (51.0) | 301 (43.1) | 207 (44.8) | |
Yes | 1,452 (52.8) | 619 (49.0) | 511 (56.9) | 322 (55.2) | |
Hyperlipidemia, n (%) | 0.228 | ||||
No | 1,183 (47.9) | 558 (51.1) | 386 (46.0) | 239 (45.8) | |
Yes | 1,277 (52.1) | 561 (48.9) | 426 (54.0) | 290 (54.2) | |
Diabetes mellitus, n (%) | 0.127 | ||||
No | 1,903 (81.8) | 879 (83.1) | 617 (79.2) | 407 (82.1) | |
Yes | 557 (18.2) | 240 (16.9) | 195 (20.8) | 122 (17.9) | |
CVD, n (%) | 0.250 | ||||
No | 2,011 (85.2) | 944 (86.1) | 650 (83.3) | 417 (84.1) | |
Yes | 449 (14.8) | 175 (13.9) | 162 (16.7) | 112 (15.9) | |
Sleep time, n (%), h/d | 0.803 | ||||
< 7 | 774 (27.3) | 358 (26.1) | 251 (28.7) | 165 (28.6) | |
7–9 | 1,502 (65.8) | 684 (66.6) | 501 (64.6) | 317 (64.9) | |
> 9 | 184 (6.9) | 77 (7.3) | 60 (6.7) | 47 (6.5) | |
Dietary quality, n (%) | 0.194 | ||||
< 60 | 1,765 (73.0) | 783 (71.2) | 587 (74.3) | 395 (76.2) | |
≥ 60 | 695 (27.0) | 336 (28.8) | 225 (25.7) | 134 (23.8) | |