Table 2.
Indoor air-quality parameters of participants’ working environments.
| Parameters | Total Locations (N = 25) | |
|---|---|---|
| Mean ± SD | (Min–Max) | |
| Thermal comfort parameters | ||
| Air temperature (°C) | 23.39 ± 1.00 | (21.40–25.60) |
| Relative humidity (%) | 61.83 ± 5.66 | (50.40–76.60) |
| Air movement (m/s) | 0.11 ± 0.08 | (0.03–0.26) |
| Chemical parameters | ||
| Carbon dioxide (ppm) | 795.75 ± 191.36 | (434.00–1210.00) |
| Formaldehyde (ppm) a | 0.36 (0.28–0.74) | (0.00–2.58) |
| Carbon monoxide (ppm) | ND | ND |
| TVOC (ppb) | ND | ND |
| Particulate matter | ||
| PM2.5 (µg/m3) | 21.0 (13.0–29.0) | (3.0–65.0) |
| Biological parameters | ||
| Total viable bacterial count (CFU/m3) | 40 ± 20 | (6–78) |
a Non-parametric data are presented using median (IQR); abbreviation: CFU/m3, colony-forming units per cubic meter; ND, not detected; ppb, parts per billion; ppm, parts per million; TVOC, total volatile organic compounds.