©The Author(s) 2025.
World J Psychiatry. Dec 19, 2025; 15(12): 112672
Published online Dec 19, 2025. doi: 10.5498/wjp.v15.i12.112672
Published online Dec 19, 2025. doi: 10.5498/wjp.v15.i12.112672
Table 2 Comparison of sleep status in the elderly according to depressive symptoms, n (%)
| Items | Number of cases | Depressive group | Non-depressive group | χ2 | P value |
| Overall sleep disorder (score) | 661.372 | < 0.001 | |||
| ≤ 7 | 3075 (59.87) | 241 (7.8) | 2834 (92.2) | ||
| > 7 | 2061 (40.13) | 759 (36.8) | 1302 (63.2) | ||
| Subjective sleep quality (score) | 598.994 | < 0.001 | |||
| < 2 | 4125 (80.3) | 527 (12.8) | 3598 (87.2) | ||
| ≥ 2 | 1011 (19.7) | 473 (46.8) | 538 (53.2) | ||
| Sleep onset time (score) | 500.220 | < 0.001 | |||
| < 2 | 3113 (60.6) | 296 (9.5) | 2817 (90.5) | ||
| ≥ 2 | 2023 (39.4) | 704 (34.8) | 1319 (65.2) | ||
| Sleep duration (score) | 181.489 | < 0.001 | |||
| < 2 | 2056 (40.0) | 213 (10.4) | 1843 (89.6) | ||
| ≥ 2 | 3080 (60.0) | 787 (25.6) | 2293 (74.4) | ||
| Sleep efficiency (score) | 296.058 | < 0.001 | |||
| < 2 | 2790 (54.3) | 300 (10.8) | 2490 (89.2) | ||
| ≥ 2 | 2346 (45.7) | 700 (29.8) | 1646 (70.2) | ||
| Sleep disturbance (score) | 208.417 | < 0.001 | |||
| < 2 | 4880 (95.0) | 861 (17.6) | 4019 (82.4) | ||
| ≥ 2 | 256 (5.0) | 139 (54.3) | 117 (45.7) | ||
| Daytime dysfunction (score) | 507.038 | < 0.001 | |||
| < 2 | 3468 (67.5) | 376 (10.8) | 3092 (89.2) | ||
| ≥ 2 | 1668 (32.5) | 624 (37.4) | 1044 (62.6) | ||
| Hypnotic drug use (score) | 75.671 | < 0.001 | |||
| < 2 | 5015 (97.6) | 939 (18.7) | 4076 (81.3) | ||
| ≥ 2 | 121 (2.4) | 61 (50.4) | 60 (49.6) |
- Citation: Ding R, Liu XY, Ding Y, Leng MM, Yang LJ, Zhang AH. Correlation analysis between sleep quality and depressive symptoms among rural elderly in China: An observational study. World J Psychiatry 2025; 15(12): 112672
- URL: https://www.wjgnet.com/2220-3206/full/v15/i12/112672.htm
- DOI: https://dx.doi.org/10.5498/wjp.v15.i12.112672