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Table 5 Air quality measurements in selected houses

From: Effect of household air pollution due to solid fuel combustion on childhood respiratory diseases in a semi urban population in Sri Lanka

Exposure

Number of households

Mean

SD

P-value

CO

 High exposurea

64

2.77 ppm

2.63 ppm

0.002

 Low exposureb

51

1.44 ppm

1.60 ppm

 

PM2.5

 High exposurea

66

0.62 mg/m3

0.99 mg/m3

< 0.001

 Low exposureb

52

0.19 mg/m3

0.27 mg/m3

 

CO2

 High exposurea

65

558.6 ppm

120.1 ppm

0.671

 Low exposureb

56

549.8 ppm

111.2 ppm

 
  1. a Children exposed to biomass fuel and kerosene oil as the principal type of cooking fuel
  2. b Children exposed to LPG and electricity as the principal type of cooking fuel