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Ciencia & trabajo

On-line version ISSN 0718-2449


MUNOZ POBLETE, Claudio; MUNOZ NAVARRO, Sergio  and  VANEGAS LOPEZ, Jairo. Work disability for lower back pain: Case control study in Santiago. Cienc Trab. [online]. 2015, vol.17, n.54, pp.193-201. ISSN 0718-2449.

Background: Work disability due to low back pain causes lost productivity and economic expense. It has been blamed on the working environment and the manual handling of loads (MHL). The link between levels of work exposure to MHL and the disability of workers protected by labor law was evaluated in Santiago, Chile. Materials and Method: Case-control study. Exposure and study co-variables were measured in the workplace. The analyses included multiple logistic regression models. Result and Discussion: Exposure to moderate MHL shows an OR: 1.62 (95% CI: 0.61-4.33), high and very high exposure to MHL shows an OR of 2.75 (95% CI: 1.08-6.95), controlled by psychosocial, organizational and individual aspects. There is a significant magnitude and gradient of association between MHL and disability. Psychosocial, organizational and individual variables also explain the phenomenon. It is suggested that national strategies be redesigned to prevent the occupational risks related to disability due to low back pain.

Keywords : Occupational health; Low back pain; Risk factor; Sick Leave.

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