Table 2.
Differences in covariates between the cognitive impairment group and the normal cognition group
| Variables | CI (n = 226) | NC (n = 1536) | P |
|---|---|---|---|
| Gender [n(%)] | 0.271 | ||
| Male | 84(11.8) | 630(88.2) | |
| Female | 142(13.5) | 906(86.5) | |
| Age [n(%)] | < 0.001 | ||
| 40–55 | 82(8.4) | 897(91.6) | |
| > 55 | 144(18.4) | 639(81.6) | |
| Education years [Median(P25,P75), y] | 8(5.0,9.0) | 5(0.0,8.0) | < 0.001 |
| Marital status [n(%)] | < 0.001 | ||
| Married | 190(11.8) | 1416(88.2) | |
| Others | 36(23.1) | 120(76.9) | |
| Tobacco use [n(%)] | 0.704 | ||
| Y | 63(12.4) | 447(87.6) | |
| N | 163(13.0) | 1089(87.0) | |
| Alcohol consumption [n(%)] | 0.207 | ||
| Y | 26(10.4) | 225(89.6) | |
| N | 200(13.2) | 1311(86.8) | |
| Lack of physical activity [n(%)] | 0.021 | ||
| Y | 45(17.2) | 216(82.8) | |
| N | 181(12.1) | 1320(87.9) | |
| HP [n(%)] | 0.013 | ||
| Y | 124(14.9) | 707(85.1) | |
| N | 102(11.0) | 829(89.0) | |
| DM [n(%)] | 0.001 | ||
| Y | 42(20.0) | 168(80.0) | |
| N | 184(11.9) | 1368(88.1) | |
| CHD [n(%)] | 0.006 | ||
| Y | 11(28.9) | 27(71.1) | |
| N | 215(12.5) | 1509(87.5) | |
| Atrial fibrillation [n(%)] | 0.837 | ||
| Y | 2(20.0) | 8(80.0) | |
| N | 224(12.8) | 1528(87.2) | |
| Family history of HP [n(%)] | < 0.001 | ||
| Y | 43(7.9) | 499(92.1) | |
| N | 182(15.0) | 1034(85.0) | |
| U | 1(25.0) | 3(75.0) | |
| Family history of DM [n(%)] | 0.701 | ||
| Y | 15(10.6) | 127(89.4) | |
| N | 210(13.0) | 1402(87.0) | |
| vU | 1(12.5) | 7(87.5) | |
| Family history of CHD [n(%)] | 0.034 | ||
| Y | 5(4.7) | 102(95.3) | |
| N | 220(13.3) | 1428(86.7) | |
| U | 1(14.3) | 6(85.7) | |
| Family history of Dyslipidemia [n(%)] | 0.529 | ||
| Y | 2(6.3) | 30(93.7) | |
| N | 223(12.9) | 1500(87.1) | |
| U | 1(14.3) | 6(85.7) | |
| Cardiac murmur [n(%)] | 0.034 | ||
| Y | 8(28.6) | 20(71.4) | |
| N | 217(12.6) | 1502(87.4) | |
| U | 1(6.7) | 14(93.3) | |
| Arrhythmia [n(%)] | 0.127 | ||
| Y | 9(22.0) | 32(78.0) | |
| N | 217(12.7) | 1497(87.3) | |
| U | 0(0.0) | 7(100.0) | |
| MAP [Mean(SD), mmHg] | 100.90(12.71) | 98.10(12.06) | 0.002 |
| Pulse Rate [Mean(SD)] | 76.13(10.67) | 75.20(8.55) | 0.321 |
| BMI[Mean(SD), kg/m2] | 24.83(3.359) | 25.35(3.181) | 0.024 |
| FBG [Median(P25,P75), mmol/L] | 5.39(5.07,5.80) | 5.42(5.04,6.02) | 0.394 |
Abbreviations, CI cognitive impairment, NC normal cognition, P25, 25% percentile, P75, 75% percentile, Y yes, N no, U unknown, HP hypertension, DM diabetes mellitus, CHD coronary heart disease, SD standard deviation, MAP mean arterial pressure, BMI body mass index, FBG fasting blood glucose