
PMC full text: | Published online 2016 Mar 16. doi: 10.1186/s12998-016-0090-2
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Fig. 1

Changes in psychological factors during the first three months of a first neck pain episode. The figure shows the development of anxiety, depression, fear avoidance and pain locus of control during the first three months of a first episode of acute neck pain (mean ± standard deviation). * p ≤ 0.05. ** p ≤ 0.01. *** p ≤ 0.001