Table 1 Alpha diversity of airborne bacteria samples (m-AB; micro-sized airborne bacteria, n-ABE; nano-sized airborne bacterial EV, CL; candle lit, BL; blank sample).

From: Impact of scented candle use on indoor air quality and airborne microbiome

Alpha diversity

Observed species

Chao1

Shannon index

Simpson index

m-AB

    

BL

14.0 ± 0.8

13.9 ± 0.01

0.57 ± 0.01

0.34 ± 0.01

CL

16.3 ± 3.1

17.6 ± 4.86

1.10 ± 0.47

0.46 ± 0.15

3m_CL

23.0 ± 3.3

24.7 ± 3.26

0.99 ± 0.05

0.36 ± 0.02

6m_CL

14.7 ± 3.1

14.3 ± 4.08

0.77 ± 0.03

0.35 ± 0.01

n-ABE

    

BL

5.0 ± 0.8

11.0 ± 0.01

1.3 ± 0.01

0.57 ± 0.01

CL

11.3 ± 3.4

14.0 ± 4.83

1.96 ± 0.34

0.81 ± 0.05

3m_CL

14.3 ± 3.7

19.03 ± 4.83

1.76 ± 0.66

0.69 ± 0.15

6m_CL

11.7 ± 0.9

17.2 ± 2.48

1.89 ± 0.07

0.76 ± 0.05