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Table 2 Average (± SD) fuelwood consumption, adult equivalent and CO2e

From: Fuelwood use and carbon emission reduction of improved biomass cookstoves: evidence from kitchen performance tests in Tigray, Ethiopia

Variables

Baking stove

Cooking stove

Mirt (n = 43)

TBS (n = 43)

Tikikil (n = 53)

TCS (n = 49)

No. of adult equivalent

3.73 ± 1.55 a

4.54 ± 1.88 b

3.22 ± 1.05 a

3.34 ± 0.98 a

Wet wood used (kg)

4.52 ± 2.87 a

6.92 ± 2.35 b

2.29 ± 0.74 a

2.80 ± 0.77 b

Wet wood used per capita (kg)

1.32 ± 0.92 a

1.69 ± 0.65 b

0.82 ± 0.57 a

0.94 ± 0.52 b

Dry wood used (kg)

4.49 ± 2.83 a

6.83 ± 2.33 b

2.29 ± 0.74 a

2.80 ± 0.78 b

Dry wood used per capita (kg)

1.31 ± 0.92 a

1.67 ± 0.66 b

0.82 ± 0.57 a

0.97 ± 0.51 b

CO2 e per stove (t CO2 e/year)

1.32 ± 0.84 a

2.02 ± 0.69 b

1.34 ± 0.43 a

1.63 ± 0.45 b

Per capita CO2 e (t CO2 e/year)

0.39 ± 0.27 a

0.49 ± 0.19 b

0.48 ± 0.33 a

0.54 ± 0.30 b

List of gender and age

 Children: 0–14

2.57 ± 1.52 a

2.19 ± 1.52 a

1.81 ± 1.35 a

1.78 ± 1.22 a

 Females: > 14

1.58 ± 0.82 a

1.81 ± 1.05 a

1.19 ± 0.49 a

1.29 ± 0.60 a

 Males: 15–59

1.05 ± 0.87 a

1.63 ± 1.09 b

1.22 ± 0.75 a

1.23 ± 0.63 a

 Males: > 59

0.11 ± 0.38 a

0.30 ± 0.60 a

0.07 ± 0.26 a

0.14 ± 0.04 a

  1. Within stove type (baking/cooking) having the same letter as superscript shows no significant (p < 0.05) difference between ICS and traditional stove; * the mean wood consumption was per session (2 days); ** mean wood consumption was per day