Outcome | Before action | 12 months after action | Difference (95% CI) |
Action group | No action group | Action group | No action group | Unadjusted | Adjusted for baseline score |
National Home Energy Rating | 4.8 | 5.6 | 6.0 | 5.7 | 0.3 (-0.3-0.9) | 1.1 (0.8-1.4) |
Estimated annual fuel costs £ | 705 | 557 | 612 | 576 | -36.5 (-105.7-81.8) | -65.3 (-31.9- -98.7) |
LR h at 21°C | 47.9 | 69.0 | 54.1 | 69.2 | 15.2 (-6.1-36.4) | 1.9 (-15.0-18.8) |
BR h at 18°C | 104.5 | 114.8 | 110.5 | 112.0 | 1.5 (-21.1-24.0) | 0.8 (-22.8-21.3) |
LR average humidity g·kg−1 | 46.6 | 51.8 | 44.7 | 43.6 | -1.1 (-4.4-2.2) | 0.4 (-2.4-3.2) |
BR average humidity g·kg−1 | 49.5 | 56.2 | 49.7 | 48.2 | -1.4 (-4.5-1.6) | -0.6 (-2.9-1.7) |
COPD admissions | 0.9 | 1.2 | 0.8 | 1.4 | 0.5 (-0.2-1.2) | -0.3 (-0.9-0.4) |
SGRQ symptom score | 72.4 | 77.0 | 66.0 | 77.7 | -11.7 (-19.2- -4.1,) | -9.0 (-2.5- -15.5)# |
SGRQ impact score | 58.3 | 55.4 | 58.8 | 59.6 | 0.9 (-7.2-8.9) | -5.7 (-12.3-0.8) # |
SGRQ activities score | 86.3 | 82.4 | 83.2 | 83.8 | 0.6 (-6.8-8.0) | -3.9 (-9.3-1.5) # |
SGRQ total | 68.8 | 67 | 67.4 | 69.9 | -2.5 (-9.2-4.2,) | -5.7 (-0.7- -10.7) |
VAS score | 46.1 | 49.2 | 46.9 | 47.8 | 0.08 (-0.76-0.92) | 0.1 (-0.8-0.9) # |