• Rosa Esteve, Alicia E López-Martínez, Madelon L Peters, Elena R Serrano-Ibáñez, Gema T Ruíz-Párraga, Henar González-Gómez, and Carmen Ramírez-Maestre.
• Universidad de Málaga, Andalucía Tech, Facultad de Psicología, Málaga, Spain. Electronic address: zarazaga@uma.es.
• J Pain. 2017 May 1; 18 (5): 546-555.

AbstractThe aim of this cross-sectional study was to identify subgroups of patients on the basis of their activity patterns and to investigate their relationship with life goals, optimism, affect, and functioning. The sample was comprised of 276 patients with chronic musculoskeletal pain. Hierarchical cluster analysis was performed on the activity pattern variables and the resulting clusters were compared using 1-way analysis of variance. The 4-cluster was the optimal solution. The 4 clusters comprised: 1) avoiders: patients with high levels of avoidance and low levels of persistence, who use pacing to reduce pain, 2) doers: patients with high levels of persistence and low levels of pacing and avoidance, 3) extreme cyclers: patients with high levels of avoidance and persistence and low levels of pacing, and 4) medium cyclers: patients with moderately high levels of avoidance and persistence and high levels of pacing. Comparison of the clusters showed that doers had the most adaptive profile, whereas avoiders, followed by extreme cyclers, had unhealthy profiles. Doers showed a high level of optimism and a good balance between goal value, expectancy, and conflict.Copyright © 2017 The Authors. Published by Elsevier Inc. All rights reserved.

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