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 |