Sleep quality indices | Scores of sleep indices | MCI group (n = 274, %) | NC group (n = 727, %) | Chi-square goodness-of-fit test | Trend chi-square test | ||
---|---|---|---|---|---|---|---|
χ2 | P value | χ2 | P value | ||||
Subjective sleep quality | 0 | 36 (20.2) | 142 (79.8) | 180.00 | &±ô³Ù; 0.001 | 38.42 | &±ô³Ù; 0.001 |
1 | 81 (20.8) | 308 (79.2) | |||||
2 | 95 (30.4) | 218 (69.6) | |||||
3 | 62 (51.2) | 59 (48.8) | |||||
Sleep latency | 0 | 65 (22.2) | 228 (77.8) | 70.50 | &±ô³Ù; 0.001 | 30.14 | &±ô³Ù; 0.001 |
1 | 55 (18.6) | 241 (81.4) | |||||
2 | 44 (32.4) | 92 (67.6) | |||||
3 | 110 (39.9) | 166 (60.1) | |||||
Sleep duration | 0 | 123 (22.9) | 415 (77.1) | 461.00 | &±ô³Ù; 0.001 | 24.50 | &±ô³Ù; 0.001 |
1 | 52 (25.5) | 152 (74.5) | |||||
2 | 50 (32.5) | 104 (67.5) | |||||
3 | 49 (46.7) | 56 (53.3) | |||||
Sleep efficiency | 0 | 96 (19.6) | 394 (80.4) | 322.00 | &±ô³Ù; 0.001 | 50.56 | &±ô³Ù; 0.001 |
1 | 45 (25.4) | 132 (74.6) | |||||
2 | 34 (27.6) | 89 (72.4) | |||||
3 | 99 (46.9) | 112 (53.1) | |||||
Sleep disturbance | 0 | 5 (20.8) | 19 (79.2) | 819.00 | &±ô³Ù; 0.001 | 47.99 | &±ô³Ù; 0.001 |
1 | 107 (19.2) | 450 (80.8) | |||||
2 | 139 (36.8) | 239 (63.2) | |||||
3 | 23 (54.8) | 19 (45.2) | |||||
Sleep medication | 0 | 254 (26.7) | 699 (73.3) | 11.44 | &±ô³Ù; 0.01 | 2.02 | 0.155 |
1 | 8 (47.1) | 9 (52.9) | |||||
2 | 8 (61.5) | 5 (38.5) | |||||
3 | 4 (22.2) | 14 (77.8) | |||||
Daily dysfunction | 0 | 74 (17.3) | 353 (82.7) | 182.00 | &±ô³Ù; 0.001 | 60.38 | &±ô³Ù; 0.001 |
1 | 43 (25.0) | 129 (75.0) | |||||
2 | 46 (28.7) | 114 (71.3) | |||||
3 | 111 (45.9) | 131 (54.1) |