Table 1

Baseline characteristics of the cohort of patients sicklisted for 3–4 months

Baseline characteristicsCohort (n=300)
Patient characteristics
Mean (SD) age (years)39.4 (9.6)
Sex (% male)58.3
Low back pain related characteristics
    % aspecific low back pain47.3
    % (suspicion of) root compression51.7
History of low back pain (% yes)72.0
Mean (SD) pain intensity (Von Korff)5.7 ( 2.2)
Work related characteristics
Mean (SD) working hours36.1 (14.8)
Working status (% (part time) at work)30
Work related back pain (% yes)73