Table 2.
The Prevalence of MCI in the Sample and the Subgroups.
| Characteristics | Participants | x2 | p-Value | Prevalence | |
|---|---|---|---|---|---|
| MCI, n (%) | CN, n (%) | ||||
| Age | |||||
| 60–69 | 136 (27.36) | 832 (50.45) | 235.09 | <.001 | 14.05 |
| 70–79 | 197 (39.64) | 696 (42.21) | 22.06 | ||
| ≥80 | 164 (33.00) | 121 (7.34) | 57.54 | ||
| Sex | |||||
| Female | 348 (70.02) | 978 (59.31) | 18.56 | <.001 | 26.24 |
| Male | 149 (29.98) | 671 (40.69) | 18.17 | ||
| Education | |||||
| No schooling | 286 (57.55) | 243 (14.74) | 393.11 | <.001 | 54.06 |
| 1–5 years | 174 (35.01) | 913 (55.37) | 16.01 | ||
| >6 years | 37 (7.44) | 493 (29.90) | 6.98 | ||
| Marriage status | |||||
| Married | 330 (66.40) | 1,368 (82.96) | 62.55 | <.001 | 19.43 |
| Divorce/widowed | 160 (32.19) | 275 (16.68) | 36.78 | ||
| Never married | 7 (1.41) | 6 (0.36) | 46.15 | ||
| Living situation | |||||
| Alone | 129 (25.96) | 242 (14.68) | 33.98 | <.001 | 34.77 |
| With family/others | 368 (74.04) | 1,407 (85.32) | 20.73 | ||
| Employment status | |||||
| Employed | 47 (9.46) | 256 (15.52) | 11.51 | .001 | 15.51 |
| Not employed | 450 (90.54) | 1,393 (84.48) | 24.42 | ||
| Hypertension | |||||
| Yes | 317 (63.78) | 1,028 (62.34) | 0.34 | .560 | 19.89 |
| No | 180 (36.22) | 621 (37.66) | 16.75 | ||
| Diabetes | |||||
| Yes | 131 (26.36) | 320 (19.41) | 11.12 | .001 | 29.05 |
| No | 366 (73.64) | 1,329 (80.59) | 21.59 | ||
| Hyperlipidemia | |||||
| Yes | 115 (23.14) | 325 (19.71) | 2.76 | .097 | 26.14 |
| No | 382 (76.86) | 1,324 (80.29) | 22.39 | ||
| Coronary heart disease | |||||
| Yes | 52 (10.46) | 83 (5.03) | 19.10 | <.001 | 38.52 |
| No | 445 (89.54) | 1,566 (94.97) | 22.13 | ||
| Stroke | |||||
| Yes | 35 (7.04) | 35 (2.12) | 29.29 | <.001 | 50.00 |
| No | 462 (92.96) | 1,614 (97.88) | 22.25 | ||
| Other chronic diseases | |||||
| Yes | 60 (12.07) | 138 (8.37) | 6.26 | .012 | 30.30 |
| No | 437 (87.93) | 1,511 (91.63) | 22.43 | ||
Note. MCI = mild cognitive impairment; CN = cognitive normal.