TABLE 5.
Univariate analysis of the correlation between cognition and Z drugs.
| Z drug use (n = 42) | Non-Z drug Use(n = 78) | P-value | |
| MMSE scores | 28.00 (25.75, 29.00) | 26.00 (23.00, 27.00) | 0.003 |
| MoCA scores | 24.00 (19.00, 26.25) | 22.00 (17.00, 23.00) | 0.029 |
| Long-term delayed recall of AVLT scores | 7.00 (3.75, 9.75) | 5.00 (4.00, 5.00) | 0.037 |
| TMT-B scores | 85.00 (59.50, 217.00) | 126.00 (90.00, 300.00) | 0.073 |
| BNT-30 scores | 26.48 ± 3.13 | 25.00 ± 3.18 | 0.016 |
| CDT scores | 4.00 (3.00, 4.00) | 4.00 (3.00, 4.00) | 0.413 |
| DST scores | 5.00 (4.00, 5.00) | 4.00 (2.00, 5.00 | 0.002 |
| HAMD scores | 10.19 ± 4.36 | 8.23 ± 4.32 | 0.020 |
| HAMA scores | 11.00 (7.00, 15.25) | 9.00 (5.00, 11.00) | 0.094 |
| Male | 18 (42.86%) | 21 (26.92%) | 0.075 |
| Age (years) | 59.43 ± 5.31 | 61.03 ± 6.70 | 0.184 |
| Married/cohabitating | 38 (90.48%) | 71 (91.03%) | 1.000 |
| Living with others | 40 (95.24%) | 71 (91.03%) | 0.637 |
| Low income | 18 (42.86%) | 46 (58.97%) | 0.091 |
| Education (years) | 12.24 ± 3.25 | 11.30 ± 3.49 | 0.154 |
| BMI, kg/m2 | 23.03 ± 2.86 | 23.69 ± 2.75 | 0.220 |
| Smoking,% | 12 (28.57%) | 11 (14.10%) | 0.055 |
| Concomitant illness | |||
| Hypertension, % | 14 (33.33%) | 24 (30.77%) | 0.773 |
| Diabetes mellitus, % | 4 (9.52%) | 13 (16.67%) | 0.284 |
| Coronary heart disease, % | 4 (9.52%) | 8 (10.26%) | 1.000 |
| Dyslipidemia, % | 20 (47.62%) | 27 (34.62%) | 0.164 |
| Gout, % | 0 (0.00%) | 4 (5.13%) | 0.337 |
| Insomnia | |||
| Age at onset (years) | 48.00 (38.75, 54.00) | 54.00 (30.00, 69.00) | 0.213 |
| Insomnia duration (years) | 10.00 (4.50, 17.75) | 6.00 (2.00, 28.00) | 0.755 |
| PSQI scores | 14.05 ± 2.73 | 13.96 ± 2.84 | 0.873 |