Table 1.
The characteristics of participants according to quartiles of TCBI.
| Characteristics | TCBI quartiles | p-value | |||
|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | ||
| N | 1,786 | 1,787 | 1,785 | 1,787 | |
| Age (years) | 59.86 ± 9.56 | 59.00 ± 9.02 | 58.84 ± 8.77 | 57.73 ± 8.20 | <0.001 |
| Sex | <0.001 | ||||
| Male | 991 (55.49%) | 930 (52.04%) | 847 (47.45%) | 855 (47.85%) | |
| Female | 795 (44.51%) | 857 (47.96%) | 938 (52.55%) | 932 (52.15%) | |
| Residence | <0.001 | ||||
| City | 536 (30.01%) | 628 (35.14%) | 693 (38.82%) | 811 (45.38%) | |
| Rural | 1,250 (69.99%) | 1,159 (64.86%) | 1,092 (61.18%) | 976 (54.62%) | |
| Education | <0.001 | ||||
| Below primary school | 829 (46.42%) | 724 (40.51%) | 737 (41.29%) | 689 (38.56%) | |
| Primary school | 422 (23.63%) | 446 (24.96%) | 405 (22.69%) | 432 (24.17%) | |
| Middle school | 377 (21.11%) | 400 (22.38%) | 413 (23.14%) | 443 (24.79%) | |
| High school and above | 158 (8.85%) | 217 (12.14%) | 230 (12.89%) | 223 (12.48%) | |
| Marital status | 0.006 | ||||
| Married and cohabiting | 1,557 (87.18%) | 1,595 (89.26%) | 1,604 (89.86%) | 1,620 (90.60%) | |
| Others | 229 (12.82%) | 192 (10.74%) | 181 (10.14%) | 167 (9.35%) | |
| Retirement | <0.001 | ||||
| No | 1,633 (91.43%) | 1,593 (89.14%) | 1,542 (86.39%) | 1,507 (84.33%) | |
| Yes | 153 (8.57%) | 194 (10.86%) | 243 (13.61%) | 280 (15.67%) | |
| Current smoking | <0.001 | ||||
| No | 1,121 (62.77%) | 1,173 (65.64%) | 1,260 (70.59%) | 1,277 (71.46%) | |
| Yes | 664 (37.18%) | 614 (34.36%) | 525 (29.41%) | 510 (28.54%) | |
| Current drinking | 0.008 | ||||
| No | 1,108 (62.04%) | 1,146 (64.13%) | 1,198 (67.11%) | 1,180 (66.03%) | |
| Yes | 678 (37.96%) | 641 (35.87%) | 587 (32.89%) | 607 (33.97%) | |
| Socializing | <0.001 | ||||
| No | 943 (52.80%) | 855 (47.85%) | 791 (44.31%) | 751 (42.03%) | |
| Yes | 843 (47.20%) | 932 (52.15%) | 994 (55.69%) | 1,036 (57.97%) | |
| Hypertension | <0.001 | ||||
| No | 1,117 (62.54%) | 1,020 (57.08%) | 880 (49.30%) | 724 (40.51%) | |
| Yes | 669 (37.46%) | 767 (42.92%) | 905 (50.70%) | 1,063 (59.49%) | |
| Diabetes | <0.001 | ||||
| No | 1,634 (91.49%) | 1,586 (88.75%) | 1,529 (85.66%) | 1,332 (74.54%) | |
| Yes | 152 (8.51%) | 201 (11.25%) | 256 (14.34%) | 455 (25.46%) | |
| Dyslipidemia | <0.001 | ||||
| No | 1,701 (95.24%) | 1,648 (92.22%) | 1,605 (89.92%) | 1,456 (81.48%) | |
| Yes | 85 (4.76%) | 139 (7.78%) | 180 (10.08%) | 331 (18.52%) | |
| Stroke | 0.267 | ||||
| No | 1,754 (98.21%) | 1,748 (97.82%) | 1,737 (97.31%) | 1,741 (97.43%) | |
| Yes | 32 (1.79%) | 39 (2.18%) | 48 (2.69%) | 46 (2.57%) | |
| Depressive symptoms | <0.001 | ||||
| No | 1,084 (60.69%) | 1,139 (63.74%) | 1,168 (65.43%) | 1,222 (68.38%) | |
| Yes | 702 (39.31%) | 648 (36.26%) | 617 (34.57%) | 565 (31.62%) | |
| SBP (mmHg) | 125.54 ± 21.20 | 127.56 ± 20.80 | 130.49 ± 21.19 | 133.56 ± 20.61 | <0.001 |
| DBP (mmHg) | 72.57 ± 11.78 | 74.52 ± 11.91 | 76.20 ± 12.07 | 78.78 ± 11.98 | <0.001 |
| BMI (kg/m2) | 21.35 ± 2.86 | 22.81 ± 3.16 | 24.32 ± 3.54 | 26.03 ± 4.07 | <0.001 |
| Body weight (kg) | 53.14 ± 8.83 | 57.49 ± 9.44 | 61.59 ± 10.60 | 66.71 ± 12.14 | <0.001 |
| FPG (mg/dL) | 98.64 (91.21, 106.92) | 100.44 (93.78, 109.8) | 102.96 (95.58, 113.04) | 109.08 (99.54, 126.00) | <0.001 |
| TC (mg/dL) | 169.12 ± 29.51 | 187.45 ± 31.32 | 199.30 ± 32.16 | 218.35 ± 38.88 | <0.001 |
| TG (mg/dL) | 61.95 (52.21, 72.57) | 89.39 (77.88, 103.55) | 125.67 (107.09, 145.14) | 207.98 (167.27, 278.78) | <0.001 |
| LDL-C (mg/dL) | 99.68 ± 25.29 | 116.12 ± 28.53 | 126.13 ± 31.73 | 124.46 ± 43.77 | <0.001 |
| HDL-C (mg/dL) | 58.82 ± 15.06 | 54.72 ± 14.75 | 48.72 ± 12.73 | 41.61 ± 11.90 | <0.001 |
| hsCRP (mg/L) | 0.80 (0.45, 1.83) | 0.88 (0.49, 1.94) | 1.08 (0.59, 2.14) | 1.32 (0.74, 2.62) | <0.001 |
| Cognitive score | 14.84 ± 4.90 | 15.54 ± 4.92 | 15.61 ± 4.80 | 16.19 ± 4.74 | <0.001 |
| Cognitive impairment | <0.001 | ||||
| No | 1,326 (74.24%) | 1,436 (80.36%) | 1,438 (80.56%) | 1,495 (83.66%) | |
| Yes | 460 (25.76%) | 351 (19.64%) | 347 (19.44%) | 292 (16.34%) | |
BMI, body mass index; DBP, diastolic blood pressure; FPG, fasting plasma glucose; HDL-C, high-density lipoprotein cholesterol; hsCRP, high-sensitivity C-reactive protein; LDL-C, low-density lipoprotein cholesterol; SBP, systolic blood pressure; TC, total cholesterol; TCBI, triglycerides, total cholesterol, and body weight index; TG, triglyceride. TCBI was classified as Q1 (<749), Q2 (749–1,185), Q3 (1,185–1,938), and Q4 (≥1,938).