RespiratoryIRRLower boundUpper boundP valuesInjuriesIRRLower boundUpper boundP values
Windows and doors0.760.650.890.0007Windows and doors0.700.520.930.0152
Wall insulation0.820.720.940.0042Wall insulation0.820.631.060.1293
Loft insulation1.090.951.270.2246Loft insulation1.010.761.330.9694
Heating systems0.930.811.070.2927Heating systems0.940.731.210.6480
Kitchens1.110.871.430.3933Kitchens0.820.531.270.3699
Bathrooms0.930.751.150.5099Bathrooms1.270.901.810.1778
Electrical systems0.600.480.740.0000Electrical systems0.540.360.810.0030
Garden paths0.740.630.870.0002Garden paths0.810.601.100.1786