Table 2.
The correlation between clinical characteristics and cognitive impairment.
| Characteristics | Statistics | OR (95% CI) | p-value |
|---|---|---|---|
| Age (years) | 58.86 ± 8.93 | 1.063 (1.056, 1.070) | <0.001 |
| Sex | |||
| Female | 3,522 (49.29%) | Reference | |
| Male | 3,623 (50.71%) | 0.535 (0.475, 0.602) | <0.001 |
| Residence | |||
| City | 2,668 (37.34%) | Reference | |
| Rural | 4,477 (62.66%) | 2.009 (1.765, 2.288) | <0.001 |
| Education | |||
| Below primary school | 2,979 (41.69%) | Reference | |
| Primary school | 1,705 (23.86%) | 0.249 (0.212, 0.292) | <0.001 |
| Middle school | 1,633 (22.86%) | 0.100 (0.080, 0.125) | <0.001 |
| High school and above | 828 (11.59%) | 0.057 (0.038, 0.084) | <0.001 |
| Marital status | |||
| Others | 769 (10.76%) | Reference | |
| Married and cohabiting | 6,376 (89.24%) | 0.516 (0.438, 0.609) | <0.001 |
| Retirement | |||
| No | 6,275 (87.82%) | Reference | |
| Yes | 870 (12.18%) | 0.315 (0.246, 0.405) | <0.001 |
| Current smoking | |||
| No | 4,831 (67.61%) | Reference | |
| Yes | 2,313 (32.37%) | 0.773 (0.681, 0.878) | <0.001 |
| Current drinking | |||
| No | 4,632 (64.83%) | Reference | |
| Yes | 2,513 (35.17%) | 0.728 (0.643, 0.825) | <0.001 |
| Socializing | |||
| No | 3,340 (46.75%) | Reference | |
| Yes | 3,805 (53.25%) | 0.531 (0.472, 0.597) | <0.001 |
| Hypertension | |||
| No | 3,741 (52.36%) | Reference | |
| Yes | 3,404 (47.64%) | 1.293 (1.152, 1.452) | <0.001 |
| Diabetes | |||
| No | 6,081 (85.11%) | Reference | |
| Yes | 1,064 (14.89%) | 1.028 (0.875, 1.208) | 0.736 |
| Dyslipidemia | |||
| No | 6,410 (89.71%) | Reference | |
| Yes | 735 (10.29%) | 0.753 (0.614, 0.924) | 0.007 |
| Stroke | |||
| No | 6,980 (97.69%) | Reference | |
| Yes | 165 (2.31%) | 1.139 (0.786, 1.650) | 0.491 |
| Depressive symptoms | |||
| No | 4,613 (64.56%) | Reference | |
| Yes | 2,532 (35.44%) | 2.136 (1.900, 2.402) | <0.001 |
| SBP (mmHg) | 129.29 ± 21.16 | 1.010 (1.007, 1.013) | <0.001 |
| DBP (mmHg) | 75.52 ± 12.15 | 0.998 (0.993, 1.003) | 0.357 |
| BMI (kg/m2) | 23.63 ± 3.85 | 0.937 (0.922, 0.953) | <0.001 |
| FPG (mg/dL) | 102.42 (94.50, 113.58) | 1.000 (0.998, 1.001) | 0.846 |
| TC (mg/dL) | 193.56 ± 37.68 | 1.000 (0.998, 1.001) | 0.950 |
| TG (mg/dL) | 106.20 (75.23, 154.88) | 0.999 (0.998, 1.000) | 0.001 |
| LDL-C (mg/dL) | 116.60 ± 34.69 | 1.000 (0.998, 1.001) | 0.561 |
| HDL-C (mg/dL) | 50.97 ± 15.14 | 1.009 (1.006, 1.013) | <0.001 |
| hsCRP (mg/L) | 1.03 (0.55, 2.14) | 1.008 (1.001, 1.015) | 0.017 |
| TCBIa | 3.09 ± 0.31 | 0.488 (0.401, 0.594) | <0.001 |
BMI, body mass index; CI, confidence interval; 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; OR, odds ratio; SBP, systolic blood pressure; TC, total cholesterol; TCBI, triglycerides, total cholesterol, and body weight index; TG, triglyceride.
The TCBI value underwent a log transformation in univariate analysis.