Table 3 Distribution of pulmonary function values of the male study subjects according to fuel use

Wood

   - Non-user

3.33 ± 0.81

2.74 ± 0.76

81.83 ± 9.02

453.40 ± 117.79

2.88 ± 1.04

   - User

2.98 ± 0.87

2.48 ± 0.80

82.68 ± 10.20

427.11 ± 122.42

2.71 ± 1.15

Animal dung

   - Non-user

3.03 ± 0.88

2.52 ± 0.81

82.55 ± 10.25

431.89 ± 125.79

2.75 ± 1.16

   - User

2.94 ± 0.81

2.44 ± 0.70

82.79 ± 8.09

415.75 ± 104.06

2.58 ± 0.94

Coal

   - Non-user

3.02 ± 0.87

2.51 ± 0.80

82.42 ± 10.00

429.38 ± 122.28

2.72 ± 1.14

   - User

2.64 ± 0.53

2.50 ± 0.42

95.04 ± 3.28

506.00 ± 1.41

3.62 ± 0.35

Kerosene

   - Non-user

2.96 ± 0.93

2.47 ± 0.85

82.83 ± 9.68

422.65 ± 130.64

2.72 ± 1.20

   - User

3.13 ± 0.75

2.58 ± 0.69

82.12 ± 10.74

444.33 ± 103.40

2.76 ± 1.02

LPG

   - Non-user

2.93 ± 0.92

2.45 ± 0.85

82.72 ± 10.41

418.27 ± 128.01

2.71 ± 1.22

   - User

3.17 ± 0.74

2.62 ± 0.68

82.32 ± 9.45

451.20 ± 108.14

2.78 ± 0.99

Biomass

   - Non-user

3.33 ± 0.81

2.74 ± 0.76

81.83 ± 9.02

453.40 ± 117.79

2.88 ± 1.04

   - User

2.98 ± 0.87

2.48 ± 0.79

82.64 ± 10.17

427.50 ± 122.09

2.71 ± 1.15

Only biomass user

2.87 ± 0.98

2.40 ± 0.91*

82.76 ± 10.46

411.28 ± 142.02*

2.70 ± 1.29*

Only LPG user

3.36 ± 0.93

2.74 ± 0.88

80.77 ± 10.25

440.86 ± 128.32

2.88 ± 1.19

Only wood user

2.84 ± 1.01

2.38 ± 0.94*

82.51 ± 10.80

407.14 ± 145.33*

2.67 ± 1.32*

Only LPG user

3.36 ± 0.93

2.74 ± 0.88

80.77 ± 10.25

440.86 ± 128.32

2.88 ± 1.19