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Gaceta Sanitaria

Print version ISSN 0213-9111


MUNOZ-QUEZADA, María Teresa et al. Organophosphate pesticides and neuropsychological and motor effects in the Maule Region, Chile. Gac Sanit [online]. 2016, vol.30, n.3, pp.227-231. ISSN 0213-9111.

Objective: To evaluate organophosphate pesticide exposure and neuropsychological and motor performance in agricultural and non-agricultural workers in the Maule Region in Chile. Method: Analytic cross-sectional study in 93 exposed farm workers and 84 unexposed non-agricultural workers. A battery of four neuropsychological tests was administered together with a neuro-motor physical examination. Results: On the Weschler adult intelligence scale (WAIS-IV), exposed agricultural workers exhibited poorer performance than non-agricultural workers in verbal comprehension (Β = -3.2; p = 0.034) and processing speed (Β = -4.4; p = 0.036) and in the full scale (Β = -4; p = 0.016), as well as in discrimination sensitivity (Β = 1, p = 0,009), adjusted by years of schooling and/or age. Conclusions: We suggest the development of policies and regulations for the control, sale and use of organophosphate pesticides and intervention strategies on safety measures aimed at the exposed population.

Keywords : Organophosphates; Pesticides; Neuropsychological tests; Motor skills; Agricultural workers.

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