Fig 1.
Flow diagram of recruitment.
Table 1.
Socio-demographic characteristics of the participants at baseline.
Total sample and groups (n = 634).
Table 2.
HRQoL and disability at the different time-points, in “relapsing” and “persistent” LBP groups (n = 634).
Table 3.
Odds Ratio (95% Confidence Intervals) for the associations between prognostic indicators and the persistent course of LBP (n = 400).