Résumé :
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[BDSP. Notice produite par INIST-CNRS ZWU2PR0x. Diffusion soumise à autorisation]. By using a population-based cohort of the general Dutch population, the authors studied whether an excessively negative orientation toward pain (pain catastrophizing) and fear of movement/ (re) injury (kinesiophobia) are important in the etiology of chronic low back pain and associated disability, as clinical studies have suggested. A total of 1,845 of the 2,338 inhabitants (without severe disease) aged 25-64 years who participated in a 1998 population-based questionnaire survey on musculoskeletal pain were sent a second questionnaire after 6 months ; 1,571 (85 percent) participated. For subjects with low back pain at baseline, a high level of pain catastrophizing predicted low back pain at follow-up (odds ratio (OR)=1.7,95% confidence interval (Cl) : 1.0,2.8) and chronic low back pain (OR=1.7,95% Cl : 1.0,2.3), in particular severe low back pain (OR=3.0,95% Cl : 1.7,5.2) and low back pain with disability (OR=3.0,95% Cl : 1.7,5.4). A high level of kinesiophobia showed similar associations. The significant associations remained after adjustment for pain duration, pain severity, or disability at baseline. For those without low back pain at baseline, a high level of pain catastrophizing or kinesiophobia predicted low back pain with disability during follow-up. These cognitive and emotional factors should be considered when prevention programs are developed for chronic low back pain and related disability.
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