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Table 3 Ordinal regression model for the use of certified firewood

From: Who buys certified firewood? Individual determinants of clean fuel adoption for promoting the sustainable energy transition in southern Chile

  Coefficient Standard error p value 95% CI
Threshold
Certified wood use
 (x = 0) Never 0.709 0.450 0.115 [− 0.172; 1.590]
 (x = 1) Almost never 1.117 0.450 0.013 [0.236; 1.999]
 (x = 2) Often 1.676 0.453 < 0.001 [0.788; 2.564]
Location
 Household income 0.104 0.482 0.031 [0.096; 0.198]
 (x = 0) Yes 0.429 0.152 0.005 [0.131; 0.727]
 (x = 1) No Ref    
Attention to air quality
 (x = 0) Always 0.729 0.284 0.010 [0.173; 1.285]
 (x = 1) Often 0.457 0.277 0.098 [− 0.085; 1.000]
 (x = 2) Almost ever 0.382 0.312 0.221 [− 0.229; 0.993]
 (x = 3) Never Ref    
Look for air quality information
 (x = 0) Yes 0.488 0.157 0.002 [0.179; 0.797]
 (x = 1) No Ref    
Bothered by air pollution
(x = 0) Yes 0.516 0.235 0.028 [0.055; 0.977]
(x = 1) No Ref    
Concern about the health effects
 (x = 0) Very 0.729 0.369 0.049 [0.005; 1.452]
 (x = 1) A lot 0.414 0.366 0.259 [− 0.304; 1.132]
 (x = 2) Somewhat 0.575 0.364 0.114 [− 0.138; 1.289]
 (x = 3) Almost none 0.015 0.430 0.972 [− 0.828; 0.858]
 (x = 4) None Ref    
Health effects are observed in
 (x = 0) Long term 0.461 0.177 0.009 [0.115; 0.807]
 (x = 1) Medium term 0.540 0.168 0.006 [0.158; 0.922]
 (x = 2) Short term Ref