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. Author manuscript; available in PMC: 2018 Nov 23.
Published in final edited form as: J Expo Sci Environ Epidemiol. 2018 May 23;28(4):400–410. doi: 10.1038/s41370-018-0024-2

Table 2.

Concentrations of markers of household air pollution by composite cooking fuel in low-income urban homes in Pune, India (n = 166).

Total
n=166		 LPG/Electricity
Only
n=95		 Kerosene
(no wood)
n=29		 Wood
(no
kerosene)
n=34		 Both Wood
and
kerosene
n = 8		 p-
value1
24-hour mean PM2.5 (µg/m3), median (IQR) 167 (106 – 294) 141 (92 – 209) 172 (113 – 273) 249 (128 – 453) 442 (268 – 538) 0.001
Hours > 75 µg/m3 PM2.5 (µg/m3), median (IQR) 11.2 (5.6 – 19.0) 10.5 (4.6 – 19.1) 10.6 (5.8 – 14.8) 12.5 (7.9 – 19.8) 19.2 (14.9 – 20.8) 0.14
Hours > 100 µg/m3 PM2.5 (µg/m3), median (IQR) 8.9 (3.9 – 15.6) 6.9 (3.6 – 14.9) 8.0 (5.2 – 11.3) 10.4 (5.6 – 17.7) 17.4 (12.8 – 19.4) 0.03
1

Bolded values statistically significant at p < 0.05 for a global Kruskal-Wallis test comparing concentrations of PM2.5 across composite cooking fuel categories.