Factors predictive of symptoms in building C
Symptom | Environmental factor | p Value |
Stuffy nose | Reduced relative humidity | <0.01 |
Particulates (1–5 μm) | <0.001 | |
Runny nose | ||
Itchy eyes | Increased temperature (dry bulb) | <0.01 |
Reduced high frequency noise | <0.001 | |
Dry throat | ||
Headache | Lower diurnal temperature variation | <0.01 |
Lethargy | Floor to ankle temperature gradient | <0.001 |
Horizontal asymmetric radiant temperature | <0.01 | |
Dry bulb temperature | <0.001 | |
Increased CO2 concentrations | <0.001 | |
Particulates (10 μm) | <0.01 | |
Dry skin | Floor to ankle temperature gradient | =0.01 |
Globe temperature | <0.001 | |
Horizontal asymmetric radiant temperature | <0.01 | |
Increased low frequency noise | <0.01 | |
Particulates (total count) | <0.01 |