Table 3 Environmental measurements between the different hut typologies. Where CI = confidence intervals, ppm = parts per million
Variable | Description | Mean (95% CI) | Adjusted mean difference (95% CI) | p-value |
|---|---|---|---|---|
Experiment 1: Light-opaque walls vs light-transparent walls | ||||
 Temperature (°C) | Opaque-walled | 27.1 (26.1–28.1) | 1 |  |
Transparent-walled | 26.2 (24.8–27.6) | 0.9 (0.1–2.4) |  = 0.84 | |
 Relative humidity (%) | Opaque-walled | 59 (56–62) | 1 |  |
Transparent-walled | 63 (60–66) | 4 (0.4–8) |  = 0.27 | |
 Carbon dioxide (ppm) | Opaque-walled | 414 (394–434) | 1 |  |
Transparent-walled | 407 (383–430) | −7 (−21–34) |  = 0.80 | |
Experiment 2: Open gaps under roofing vs closed gaps under roofing | ||||
 Temperature (°C) | Open gaps | 28.3 (28–28.5) | 1 |  |
Closed gaps | 28.2 (28–28.5) | −0.1 (−0.8–0.1) |  = 0.84 | |
 Relative humidity (%) | Open gaps | 64.0 (62.8–65.2) | 1 |  |
Closed gaps | 65.0 (63.7–66.3) | 0.8 (−0–2) |  = 0.50 | |
 Carbon dioxide (ppm) | Open gaps | 398 (387–408) | 1 |  |
Closed gaps | 388 (377–399) | −10 (−22–2) |  = 0.43 | |
Experiment 3: Poorly ventilated vs well-ventilated | ||||
 Temperature (°C) | Traditional | 26.1 (25.7–26.4) | 1 |  |
Star-homes types | 24.8 (24.6–25.1) | −1.3 (−1.7– −0.9) |  < 0.001 | |
 Relative humidity (%) | Traditional | 74.6 (72.4–76.7) | 1 |  |
Star-homes types | 82.2 (81.1–83.3) | 7.8 (5.9–9.7) |  < 0.001 | |
 Carbon dioxide (ppm) | Traditional | 541 (516–565) | 1 |  |
Star-homes types | 320 (314–327) | −97 (−116–78) |  < 0.001 | |