| Model I | Model II | Model III | Model IV |
---|---|---|---|---|
Baseline Pain | 1.8* (1.2,2.9) | 1.1 (0.7,1.8) | 1.1 (0.6,1.8) | 1.3 (0.7,2.4) |
Delayed sleep onset | 2.9** (1.8,4.8) | 2.4** (1.4,4.1) | 2.6** (1.5,4.5) | 7.6** (2.3,25.4) |
Difficulty maintaining sleep | 1.3 (0.8,2.1) | 1.1 (0.7,1.8) | 1.0 (0.6,1.6) | 1.0 (0.6,1.6) |
Early waking | 1.5 (0.8,2.6) | 1.4 (0.8,2.5) | 1.4 (0.7,2.5) | 1.3 (0.7,2.5) |
Non-restorative sleep | 2.0** (1.3,3.1) | 1.0 (0.6,1.6) | 0.9 (0.6,1.5) | 0.9 (0.6,1.5) |
Age | 1.5** (1.2,1.8) | 1.2 (0.98,1.5) | 1.2 (0.9,1.5) | 1.2 (0.9,1.5) |
Gender | 1.2 (0.97,1.4) | 1.1 (0.9,1.4) | 1.2 (0.97,1.4) | 1.2 (0.96,1.4) |
Manual occupation | 1.2 (0.98,1.4) | 1.1 (0.9,1.3) | 1.0 (0.8,1.2) | 1.0 (0.8,1.2) |
Possible/probable Depression | - | 1.8** (1.5,2.1) | 1.5** (1.3,1.8) | 1.5** (1.2,1.8) |
Possible/probable Anxiety | - | 1.3* (1.0,1.6) | 1.2 (0.9,1.4) | 1.2 (0.9,1.5) |
Poor physical function (Lowest tertilea) | - | 2.7** (1.7,4.4) | 1.9* (1.1,3.2) | 2.0** (1.2,3.3) |
Moderate physical function (mid tertilea) | - | 1.3 (0.8,2.2) | 1.2 (0.7,2.1) | 1.2 (0.7,2.0) |
Baseline RSA | - | - | 4.6** (3.0,7.1) | 4.6** (3.0,7.1) |
Pain x delayed sleep onset interaction | - | - | Â | 0.3* (0.1,0.99) |
Model fit: AUROC | 0.730 | 0.805 | 0.829 | 0.830 |
Hosmer-Lemeshow test | p = .308 (83.2%) | p = .435 (85.4%) | p = .394 (86.5%) | p = .414 (86.6%) |