Occupational and Environmental Medicine 1994;51:286-288 Increase in neuropsychiatric symptoms
نویسنده
چکیده
extra points need to be made. Firstly, although the results of the questionnaire (Q1 6) seem at first glance to show differences between exposed workers and controls, they do not differ to a statistically significant degree, as the authors themselves stated. Furthermore there is no unequivocal trend in the answers given. Whereas questions No 1, 3, and 15 are rated with Yes more often by exposed workers than by controls and there is a decrease after an exposure free period, questions No 4, 6, and 8 ratings show an increase after that time. As the questions of the Q16 are specific for effects presumed as neurotoxic, there seems to be some inconsistency in the results reported. For comparison, in table 1
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