Overactivity in chronic pain: is it a valid construct?

Higher levels of overactivity were associated with more pain variation (β [overactivity] = 0.26; t (62) = 2.00; P = 0.05), and a small- to medium-sized positive association was found between overactivity and average pain that failed to reach significance (β [overactivity] = 0.23, t (62) = 1.93, P = 0.06).

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However, the confidence intervals for these estimates were relatively wide, and these moderate–large differences failed to reach statistical significance ( d [high overactivity and avoidance] = 0.79; t (55) = 1.94; P = 0.06 and d [high overactivity, low avoidance] = 0.72; t (55) = 1.95; P = 0.06).

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