Table 5.
Temperature and relative humidity in a trial of insulating houses
| Outcome* | Before intervention | After intervention | Difference (95% CI) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Intervention group | Control group | Intervention group | Control group | Unadjusted | Adjusted for baseline score | ||||
| Temperature (°C) | 13.6 | 13.2 | 14.2 | 13.4 | 0.40 (0.10 to 0.70) P=0.05 | 0.50 (0.03 to 0.96) P=0.04 | |||
| Relative humidity (%) | 68.6 | 68.3 | 64.8 | 66.9 | −2.4 (−3.70 to −1.10) P=0.05 | −2.3 (−4.20 to −0.30) P=0.02 | |||
| Average hours/day <10°C | 3.25 | 4.02 | 2.26 | 4.47 | −1.44 (−2.12 to −0.76) P=0.007 | −1.66 (−2.56 to −0.76) P=0.001 | |||
| Average hours/day >75% relative humidity | 6.81 | 6.78 | 4.57 | 6.69 | −2.15 (−3.23 to −1.07) P=0.01 | −2.13 (−3.38 to −0.88) P=0.003 | |||
*Measured for both years on a subsample.