Table 1 Baseline characteristics of the study population by depressive symptom trajectories
From: Trajectories of depressive symptoms and risk of chronic liver disease: evidence from CHARLS
No. of subjects | All | Low-stable | High-decreasing | High-stable | Moderate increasing | Remitting | p.overall |
|---|---|---|---|---|---|---|---|
N = 7351 | N = 4621 | N = 824 | N = 508 | N = 844 | N = 554 | ||
Age, years | 57.3 ± 8.73 | 57.0 ± 8.84 | 58.0 ± 8.92 | 57.8 ± 8.08 | 57.7 ± 8.43 | 57.3 ± 8.53 | 0.006 |
Residence, n (%) | <0.001 | ||||||
Rural | 2385 (32.4%) | 1704 (36.9%) | 205 (24.9%) | 101 (19.9%) | 212 (25.1%) | 163 (29.4%) | |
Urban | 4966 (67.6%) | 2917 (63.1%) | 619 (75.1%) | 407 (80.1%) | 632 (74.9%) | 391 (70.6%) | |
Gender, n (%) | <0.001 | ||||||
Male | 3278 (44.6%) | 2380 (51.5%) | 308 (37.4%) | 116 (22.8%) | 289 (34.2%) | 185 (33.4%) | |
Female | 4073 (55.4%) | 2241 (48.5%) | 516 (62.6%) | 392 (77.2%) | 555 (65.8%) | 369 (66.6%) | |
Diabetes, n (%) | 0.213 | ||||||
No | 6985 (95.0%) | 4404 (95.3%) | 788 (95.6%) | 479 (94.3%) | 790 (93.6%) | 524 (94.6%) | |
Yes | 366 (4.98%) | 217 (4.70%) | 36 (4.37%) | 29 (5.71%) | 54 (6.40%) | 30 (5.42%) | |
Hypertension, n (%) | 0.001 | ||||||
No | 5659 (77.0%) | 3630 (78.6%) | 627 (76.1%) | 369 (72.6%) | 622 (73.7%) | 411 (74.2%) | |
Yes | 1692 (23.0%) | 991 (21.4%) | 197 (23.9%) | 139 (27.4%) | 222 (26.3%) | 143 (25.8%) | |
Stroke, n (%) | 0.002 | ||||||
No | 7227 (98.3%) | 4555 (98.6%) | 806 (97.8%) | 492 (96.9%) | 836 (99.1%) | 538 (97.1%) | |
Yes | 124 (1.69%) | 66 (1.43%) | 18 (2.18%) | 16 (3.15%) | 8 (0.95%) | 16 (2.89%) | |
Dyslipidaemia, n (%) | 0.033 | ||||||
No | 6717 (91.4%) | 4254 (92.1%) | 748 (90.8%) | 449 (88.4%) | 761 (90.2%) | 505 (91.2%) | |
Yes | 634 (8.62%) | 367 (7.94%) | 76 (9.22%) | 59 (11.6%) | 83 (9.83%) | 49 (8.84%) | |
Chronic kidney disease, n (%) | <0.001 | ||||||
No | 7021 (95.5%) | 4465 (96.6%) | 769 (93.3%) | 464 (91.3%) | 802 (95.0%) | 521 (94.0%) | |
Yes | 330 (4.49%) | 156 (3.38%) | 55 (6.67%) | 44 (8.66%) | 42 (4.98%) | 33 (5.96%) | |
Chronic heart disease, n (%) | <0.001 | ||||||
No | 6643 (90.4%) | 4260 (92.2%) | 715 (86.8%) | 426 (83.9%) | 764 (90.5%) | 478 (86.3%) | |
Yes | 708 (9.63%) | 361 (7.81%) | 109 (13.2%) | 82 (16.1%) | 80 (9.48%) | 76 (13.7%) | |
Drinking status, n (%) | <0.001 | ||||||
Never drinker | 4959 (67.5%) | 2931 (63.4%) | 605 (73.4%) | 390 (76.8%) | 606 (71.8%) | 427 (77.1%) | |
Former drinker | 574 (7.81%) | 385 (8.33%) | 46 (5.58%) | 36 (7.09%) | 63 (7.46%) | 44 (7.94%) | |
Current drinker | 1818 (24.7%) | 1305 (28.2%) | 173 (21.0%) | 82 (16.1%) | 175 (20.7%) | 83 (15.0%) | |
Smoking status, n (%) | <0.001 | ||||||
Never smokers | 4639 (63.1%) | 2745 (59.4%) | 543 (65.9%) | 386 (76.0%) | 579 (68.6%) | 386 (69.7%) | |
Ever smoker | 539 (7.33%) | 380 (8.22%) | 60 (7.28%) | 21 (4.13%) | 54 (6.40%) | 24 (4.33%) | |
Current smoker | 2173 (29.6%) | 1496 (32.4%) | 221 (26.8%) | 101 (19.9%) | 211 (25.0%) | 144 (26.0%) | |
Marital status, n (%) | <0.001 | ||||||
Divorced/separated /widowed/never married | 717 (9.75%) | 354 (7.66%) | 120 (14.6%) | 85 (16.7%) | 91 (10.8%) | 67 (12.1%) | |
Married | 6634 (90.2%) | 4267 (92.3%) | 704 (85.4%) | 423 (83.3%) | 753 (89.2%) | 487 (87.9%) | |
Education level, n (%) | <0.001 | ||||||
Below primary school | 5058 (68.8%) | 2914 (63.1%) | 648 (78.6%) | 442 (87.0%) | 636 (75.4%) | 418 (75.5%) | |
Secondary to vocational school | 2104 (28.6%) | 1542 (33.4%) | 172 (20.9%) | 64 (12.6%) | 198 (23.5%) | 128 (23.1%) | |
University and above | 189 (2.57%) | 165 (3.57%) | 4 (0.49%) | 2 (0.39%) | 10 (1.18%) | 8 (1.44%) | |
Body mass index, kg/m2 | 24.3 ± 35.3 | 24.7 ± 43.8 | 23.3 ± 4.17 | 23.2 ± 4.12 | 24.1 ± 16.8 | 23.7 ± 3.96 | 0.724 |