K.W. Tham, H.C. Willem, S.C. Sekhar, D.P. Wyon, P. Wargocki, P.O. Fanger
Bibliographic info:
Healthy Buildings 2003 - Proceedings 7th International Conference (7th-11th December 2003) - National University of Singapore - Vol. 3, pp 182-187, 5 Fig., 1 Tab., 14 Ref.

A blind intervention study in which air temperature and the outside air supply rate were changed in a 2 × 2 design was carried out in a call centre in Singapore. The reported intensity of headache and difficulty in concentrating were reduced by 19.5% (P