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Table 3 Regularly used fuel type among non-smokers (n = 1496)

From: Chronic obstructive Pulmonary Disease (COPD) in non-smoking Sri Lankan adults; a cross-sectional study

Regularly Used Fuel

Spirometry-diagnosed COPD

Symptoms suggestive of COPD with or without spirometry evidence*

Yes

N (%)

No

N (%)

Yes

N (%)

No

N (%)

Clean fuel (Electricity and Liquefied Petroleum Gas)**

15 (4.1)

355 (95.9)

163 (44.1)

207(55.9)

Wood (alone or in combination with clean fuel)

43 (5.6)

731 (94.4)

396 (51.2)

378 (48.8)

Wood in combination with other type of unclean fuel (with or without clean fuel)

04 (2.9)

134 (97.1)

77(55.8)

61 (44.2)

Kerosene/Dung/Crop/Charcoal

08 (5.4)

140 (94.6)

76 (51.4)

72 (48.6)

Not cooking at home

09 (13.6)

57 (86.4)

29(43.9)

37(56.1)

  1. * Coughing without a cold, coughing up phlegm and wheezing, symptoms suggestive of COPD, even without a significant reduction in spirometry
  2. ** Only those who used electricity and/or LPG regularly were categorized under clean fuel. Those who used a clean fuel type in combination with an unclean fuel type were categorized under the unclean fuel type