Table 1 Second-hand smoke exposure characterization

Mass concentration (mg/m³)^a

–

11.70 ± 2.93

Number concentration (#/cm³)^{b, c}

–

972 231

Mean geometric diameter (nm)^{b, c}

–

29.2 ± 2.7

Geometric standard deviation^{b, c}

–

2.9 ± 0.1

Temperature (°C)

23.7 ± 1.5

24.4 ± 1.7

Relative humidity (%)

41.7 ± 11.4

40.0 ± 13.9