| 变量 | 分类 | n | 认知功能正常组[n = 4530 (%)] | 认知功能障碍组[n = 1997 (%)] | 统计值 | P值 |
| 性别 | 男 | 3627 | 2612 (72.01) | 1015 (27.99) | t = −21.29 | <0.001 |
|
| 女 | 2900 | 1918 (66.13) | 982 (33.87) |
|
|
| 婚姻 | 有偶 | 5920 | 4218 (71.25) | 1702 (28.75) | t = −10.45 | <0.001 |
|
| 无偶 | 607 | 312 (51.40) | 295 (48.60) |
|
|
| 年龄 | 60~69岁 | 3252 | 2649 (81.46) | 603 (18.54) | F = 68.17 | <0.001 |
|
| 70~79岁 | 2089 | 1247 (56.69) | 842 (43.31) |
|
|
|
| ≥80岁 | 1186 | 634 (53.45) | 552 (46.66) |
|
|
| 教育 | 文盲 | 3076 | 1969 (64.01) | 1107 (35.99) | F = 92.23 | <0.001 |
|
| 小学 | 1584 | 1061 (66.98) | 523 (33.02) |
|
|
|
| 初中 | 1159 | 856 (73.86) | 303 (26.14) |
|
|
|
| 高中及以上 | 708 | 644 (90.96) | 64 (9.04) |
|
|
| 夜间睡眠时长 | 6~<10 h | 3928 | 2705 (68.86) | 1223 (31.14) | F = 78.65 | <0.001 |
|
| <6 h | 2369 | 1671 (70.53) | 698 (29.47) |
|
|
|
| ≥10 h | 230 | 154 (66.95) | 76 (33.05) |
|
|
| 居住地 | 城镇 | 2407 | 2132 (88.58) | 275 (11.42) | t = 100.25 | <0.001 |
|
| 农村 | 4120 | 2398 (58.20) | 1722 (41.80) |
|
|
| 吸烟 | 是 | 3227 | 2174 (67.37) | 1053 (32.63) | t = 14.22 | <0.001 |
|
| 否 | 3300 | 2356 (71.39) | 944 (28.61) |
|
|
| 饮酒 | 是 | 3334 | 2241 (67.22) | 1093 (32.78) | t = −12.24 | <0.001 |
|
| 否 | 3193 | 2289 (71.68) | 904 (28.32) |
|
|
| 慢性病史 | 有 | 4231 | 2767 (65.40) | 1464 (34.60) | t = 66.54 | 0.733 |
|
| 无 | 2296 | 1763 (76.78) | 533 (23.22) |
|
|
| 社会参与 | 有 | 4405 | 3293 (74.75) | 1112 (25.25) | t = −17.36 | <0.001 |
|
| 无 | 2122 | 1237 (58.30) | 885 (41.70) |
|
|
| 规律运动 | 有 | 5823 | 4027 (69.15) | 1796 (30.85) | t = 14.78 | <0.001 |
|
| 无 | 704 | 503 (71.45) | 201 (28.55) |
|
|
| 抑郁症状 | 有 | 1635 | 1027 (62.82) | 608 (37.18) | t = 47.52 | <0.001 |
|
| 无 | 4892 | 3503 (71.60) | 1389 (28.40) |
|
|