Facultad de Psicología, Universidad de Málaga, Instituto de Investigación Biomédica de Málaga, Andalucía Tech, 29071 Málaga, Spain.
Área de Psicología, Facultad de Ciencias de la Salud, Universidad Isabel I, 09003 Burgos, Spain.
Int J Environ Res Public Health. 2020 May 19;17(10):3560. doi: 10.3390/ijerph17103560.
This longitudinal study explored whether activity patterns change over time in a sample of 56 individuals with chronic musculoskeletal pain over a 15-day period. Once a day, the participants recorded their level of pain intensity and the degree to which they had engaged in several specific activity patterns. Linear mixed models with random coefficients were used to investigate the rate of change in the activity patterns. Age, sex, pain intensity, and pain duration were controlled. The results show that excessive persistence was the only self-reported activity pattern to show a linear change over the 15-day period. There was a decrease in excessive persistence, and this decrease was slower with higher levels of activity avoidance. However, no significant association was found between sex, age, pain intensity, and pain duration and excessive persistence at baseline or change over time. At baseline, a positive association was found between excessive persistence and pain avoidance, pain-related persistence, and pacing to reduce pain, and a negative association was found between excessive persistence and pacing to save energy for valued activities. This result suggests a profile characterized by alternate periods of high and low activity that, in this study, were unrelated to longitudinal changes in pain intensity.
本纵向研究在一个 56 名慢性肌肉骨骼疼痛患者的样本中，探讨了在 15 天的时间内，活动模式是否会随时间而变化。参与者每天记录一次自己的疼痛强度和进行几种特定活动模式的程度。使用带有随机系数的线性混合模型来研究活动模式的变化率。控制了年龄、性别、疼痛强度和疼痛持续时间。结果表明，过度坚持是唯一表现出线性变化的自我报告活动模式。过度坚持的程度有所下降，而活动回避程度越高，下降速度越慢。然而，在基线或随时间变化时，性别、年龄、疼痛强度和疼痛持续时间与过度坚持之间没有发现显著关联。在基线时，过度坚持与疼痛回避、与疼痛相关的坚持、以及为减轻疼痛而调整节奏之间存在正相关，与为有价值的活动节省能量而调整节奏之间存在负相关。这一结果表明，存在一种交替出现高活动和低活动的特征模式，在本研究中，这种模式与疼痛强度的纵向变化无关。
