RespiratoryIRRLower boundUpper boundP valuesInjuriesIRRLower boundUpper boundP values
Windows and doors0.610.490.760.0000Windows and doors0.560.400.770.0004
Wall insulation0.760.620.920.0055Wall insulation0.760.571.020.0700
Loft insulation1.180.951.480.1376Loft insulation1.020.731.430.8867
Heating systems0.850.711.030.0926Heating systems1.010.771.320.9663
Kitchens1.170.861.590.3257Kitchens0.750.481.170.2091
Bathrooms0.890.701.130.3215Bathrooms1.180.831.660.3544
Electrical systems0.430.330.570.0000Electrical systems0.560.370.850.0071
Garden paths0.620.490.780.0000Garden paths0.690.490.970.0352