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1.
Adolesc Health Med Ther ; 8: 31-39, 2017.
Article in English | MEDLINE | ID: mdl-28405174

ABSTRACT

The aim of the current study was to identify predictors of recurrent headache and back pain in young adults (aged 18-27 years) from data assessed in childhood or adolescence, i.e., 9 years before the final survey. Our interest was whether psychological characteristics contribute to the risk of pain prevalence in adult age when controlling for already empirically supported risk factors such as parental pain, pediatric pain and sex. The study was part of a five-wave epidemiological investigation of >5000 families with children aged between 7 and 14 years when addressed first. In a multiple hierarchical regression analysis, the abovementioned three variables (Block-I variables) were entered first followed by five psychological trait variables (Block-II variables: internalizing, anxiety sensitivity, somatosensory amplification, catastrophizing and dysfunctional stress coping) to find out the extent of model improvement. The multivariable hierarchical regression analysis confirmed the hypothesis that the Block-I variables significantly enhance the risk of future pain at young adult age. None of the psychological variables did so. Thus, the hypothesis of a significant surplus predictive effect was not confirmed. The amount of total explained variance differed strongly between headache and back pain. In particular, a valid prediction of back pain was not possible. When analyzed separately in simple regression analysis, psychological variables turned out to be significant predictors, however, of very low effect size. The inclusion of Block-I variables in the model clearly reduced the impact of the psychological variables. This risk profile is discussed in the context of the different trajectories of headache and back pain from childhood to adult age, which were proposed by various studies. We propose that a biopsychological characteristic denoted as emotional negativity, especially regarding self-reference, might be a common factor behind all selected variables. Risk research in recurrent pain is a field where much more multidisciplinary research is needed before progress can be expected.

2.
Psychosoc Med ; 10: Doc07, 2013.
Article in English | MEDLINE | ID: mdl-23922617

ABSTRACT

OBJECTIVE: The Pain Catastrophizing Scale, adapted for children (PCS-C) by Crombez et al. (2003), was translated into German (SKS-D) and evaluated regarding its factorial structure, its reliability and validity. The association of catastrophizing with various pain characteristics and disability measures was examined as well as its association to neighboring constructs. METHOD: The paper-and-pencil version of the SKS-D was used in two different samples of children and adolescents. Analyses were conducted on a subgroup of participants from an epidemiological sample [n=898; age: M=12.9 (SD=1.4)] who had experienced monthly headaches in the 6-months period before and a clinical sample [n=60; age: M=12.6 (SD=0.8)] seeking treatment for recurrent headaches. RESULTS: Exploratory factor analysis (PCA) suggested a one-factor model in contrast to the 3-factor model suggested by Crombez et al. (2003). The unidimensional scale showed distinct homogeneity and satisfying reliability. The clinical sample showed significantly higher scores than the epidemiological group. Also girls scored higher than boys. The catastrophizing explained a considerable amount of variance in pain and disability parameters in both samples thus underlining its validity. The psychological variables internalising, anxiety sensitivity and somatosensory amplification showed significant small to moderate associations with pain catastrophizing and also with pain and disability. After controlling for the above mentioned psychological variables, catastrophizing still yielded an independent contribution to the explanation of variance in pain and disability parameters. CONCLUSIONS: The PCS-C in its German form is a valid and reliable instrument for assessing catastrophizing in children with recurrent pain, in particular headache, in the age of 10-16 years. Pain catastrophizing is suggested to be assessed especially in pediatric pain patients as it is a significant moderator of pain and disability. In children with a distinct tendency to catastrophize cognitive restructuring should become a target of pediatric pain therapy, as a reduction of catastrophizing cognitions may indirectly help to ameliorate pain and disability.

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