Table 2 Baseline characteristics of participants with different sleep behaviors in prospective studies.
Baseline characteristics | Sleep risk score | ||||
|---|---|---|---|---|---|
0 | 1 | 2 | 3 | 4 | |
Number of participants | 50331 | 153801 | 110621 | 31843 | 2596 |
Having low-risk sleep behaviorsb | |||||
Never/rarely insomnia | 50331 (100.0) | 27275 (17.7) | 7063 (6.4) | 633 (2.0) | 0 (0.0) |
Sleep 7–8 h per day | 50331 (100.0) | 140979 (91.7) | 47309 (42.8) | 3103 (9.7) | 0 (0.0) |
Morning perference | 50331 (100.0) | 149145 (97.0) | 96874 (87.6) | 21907 (68.8) | 0 (0.0) |
Never/rarely dozing | 50331 (100.0) | 144004 (93.6) | 69996 (63.3) | 6200 (19.5) | 0 (0.0) |
Bone mineral densitya | 0.56 (0.13) | 0.54 (0.13) | 0.54 (0.14) | 0.54 (0.14) | 0.54 (0.15) |
Fallsb | |||||
No | 43905 (87.2) | 127894 (83.2) | 87656 (79.2) | 23463 (73.7) | 1783 (68.7) |
Yes | 6426 (12.8) | 25907 (16.8) | 22965 (20.8) | 8380 (26.3) | 813 (31.3) |
Fractureb | |||||
No | 48986 (97.3) | 148945 (96.8) | 106753 (96.5) | 30615 (96.1) | 2479 (95.5) |
Yes | 1345 (2.7) | 4856 (3.2) | 3868 (3.5) | 1228 (3.9) | 117 (4.5) |
