ɴ ɳ image FPCP Sample statistic Inferential statistic (95%C.I)
          % households using % households using
          Firewood Charcoal Firewood Charcoal
1. Morogoro District                
1.1 Rural 189 167 0.88 0.342 87 44 85.3– 88.7 41.4–46.6
1.2 Peri-urban 137 115 0.84 0.402 83 71 80.0–86.0 67.7–74.3
1.3 Urban 104 82 0.79 0.462 70 92 65.4–74.6 89.3–94.7
1.4 Overall 430 364 0.85 0.392 82 64 80.0–84.0 61.5–66.5
                 
2. Songea District                
2.1Rural 104 91 0.87 0.355 97 29 95.8–98.2 25.7–32.3
2.2 Peri-urban 74 62 0.84 0.405 95 37 92.8–97.2 32.1–41.9
2.3 Urban 59 51 0.86 0.371 31 98 26.3–35.7 96.1–99.9
2.4  Overall 237 204 0.86 0.374 80 49 78.0–82.0 46.4–51.6
                 
3. Pooled sample                
3.1 Rural 293 258 0.88 0.346 90.3 38.8 89.1–91.5 36.7–40.9
3.2 Peri-urban 211 177 0.84 0.402 87 59 85.0–89.0 56.1–61.9
3.3 Urban 163 133 0.82 0.430 55 94 51.4–58.6 92.3–95.7
3.4 Overall 667 568 0.85 0.386 81 58 79.8–83.2 56.4–59.6
Table 12: Confidence interval for wood fuel consumption patterns.