[Subjective evaluation of the work environment quality in offices].

The respondents (239) reported frequently experienced fatigue (64%), redness, dry eyes, lacrimation, dyspnoea (62%), decreased ability to concentrate (47%), and irritation of the upper airways (44%). These symptoms were most frequently manifested at the end of the working day (42%). They were predominantly perceived as a result of unsuitable climate parameters (77%), defective ventilation or air conditioning (63%), unfit lighting (62%) and stress (49%).