Figure 1.
Participants Flow: Back pain predicts insomnia.
Figure 2.
Participants Flow: Insomnia predicts back pain.
Table 1.
Profile of participants without back pain at T1 and at T1 & T2.
Figure 3.
The relationship between insomnia at T2 (after controlling for insomnia at T1) and the log odds of having back pain.
Table 2.
Logistic regression analysis predicting the incidence of back pain at T3 relative to T2.