Characteristics and Determinants of the Presence of Respiratory Symptoms among Sewage Workers in Malaysia

Table 4

Descriptive results for air quality assessment based on different work locations (N = 191).

Air quality parameters	Work location, n (%)
	Office	Non-STF	STF
	n = 41	n = 92	n = 58
Air humidity	47.973 ± 6.427	60.841 ± 6.345	58.121 ± 6.510
Air movement	0.205 ± 0.059	0.433 ± 0.122	0.217 ± 0.108
Carbon dioxide	813.561 ± 183.771	967.467 ± 312.041	1351.655 ± 373.473
Particulate matter 2.5	0.036 ± 0.018	0.081 ± 0.036	0.178 ± 0.115
Hydrogen sulfide	—	2.652 ± 3.259	3.819 ± 3.008