Appendix B

Table E16: Core model for admissions due to ischaemic heart disease, 15-64 age group

Residual Standard Error = 0.3469, Multiple R-Square = 0.5105

N = 1096, F-statistic = 38.3359 on 29 and 1066 df, p-value = 0
 

 
Value
Std. Error
t-value
p-value
(Intercept)
-0.3211
0.6122
-0.5246
0.5999
t1
0.0125
0.0033
3.7814
0.0002
t2
0.0000
0.0000
-3.8057
0.0001
pcs1
0.2018
0.0500
4.0358
0.0001
pcs2
0.0450
0.0130
3.4497
0.0006
pcs3
0.0879
0.0193
4.5625
0.0000
pcs4
0.3791
0.0923
4.1076
0.0000
pcs5
0.0475
0.0147
3.2287
0.0012
pcs6
1.3607
0.3696
3.6816
0.0002
pcs7
0.0571
0.0263
2.1722
0.0298
pcs8
-0.0029
0.0135
-0.2150
0.8298
ps1
-0.0403
0.0217
-1.8588
0.0631
ps2
0.0161
0.0131
1.2293
0.2189
ps3
-0.0035
0.0151
-0.2321
0.8164
ps4
-0.0452
0.0229
-1.9769
0.0480
ps5
-0.0088
0.0151
-0.5849
0.5586
ps6
-0.0341
0.0398
-0.8546
0.3928
ps7
-0.0138
0.0162
-0.8558
0.3921
ps8
0.0254
0.0133
1.9052
0.0568
I1
0.5444
0.0368
14.8096
0.0000
I2
0.5283
0.0370
14.2934
0.0000
I3
0.6100
0.0362
16.8286
0.0000
I4
0.2746
0.0387
7.0952
0.0000
I5
0.4645
0.0372
12.4760
0.0000
I6
-0.1645
0.0431
-3.8174
0.0001
holiday1
-0.5767
0.0504
-11.4418
0.0000
holiday2
0.0890
0.0535
1.6629
0.0963
influ
0.0301
0.0293
1.0279
0.3040
temperature
0.0111
0.0044
2.4969
0.0125
humidity
0.0004
0.0010
0.3852
0.7001

 
 

Table E17: Core model for admissions due to ischaemic heart disease, 65-74 age group
Residual Standard Error = 0.3387, Multiple R-Square = 0.3727

N = 1096, F-statistic = 20.3939 on 31 and 1064 df, p-value = 0
 

 
Value
Std. Error
t-value
p-value 
(Intercept)
2.7698
0.7743
3.5771
0.0003
t1
-0.0042
0.0041
-1.0103
0.3124
t2
0.0000
0.0000
1.0757
0.2821
pcs1
0.0787
0.0593
1.3277
0.1843
pcs2
-0.0746
0.0314
-2.3753
0.0175
pcs3
-0.0028
0.0220
-0.1277
0.8984
pcs4
0.0103
0.0129
0.8027
0.4221
pcs5
0.0056
0.0147
0.3829
0.7018
pcs6
-0.0362
0.0182
-1.9950
0.0460
pcs7
-0.0223
0.0133
-1.6739
0.0942
pcs8
-0.1159
0.1151
-1.0070
0.3140
pcs9
-0.5128
0.4591
-1.1171
0.2640
ps1
0.0876
0.0244
3.5870
0.0003
ps2
-0.0079
0.0168
-0.4687
0.6393
ps3
0.0350
0.0157
2.2270
0.0259
ps4
0.0231
0.0129
1.7837
0.0745
ps5
0.0093
0.0137
0.6778
0.4979
ps6
0.0243
0.0155
1.5719
0.1160
ps7
0.0013
0.0132
0.0966
0.9230
ps8
-0.0106
0.0234
-0.4544
0.6495
ps9
0.0316
0.0418
0.7573
0.4489
I1
0.3608
0.0350
10.3064
0.0000
I2
0.3803
0.0351
10.8466
0.0000
I3
0.4840
0.0341
14.1880
0.0000
I4
0.1262
0.0369
3.4244
0.0006
I5
0.2194
0.0361
6.0847
0.0000
I6
-0.1110
0.0391
-2.8405
0.0045
holiday1
-0.3757
0.0446
-8.4202
0.0000
holiday2
-0.0268
0.0562
-0.4778
0.6328
influ
0.0167
0.0272
0.6135
0.5396
temperature
0.0142
0.0046
3.1019
0.0019
humidity
-0.0014
0.0011
-1.2878
0.1978

 
 

Table E18: Core model for admissions due to ischaemic heart disease, 75 or older age group
Residual Standard Error = 0.3517, Multiple R-Square = 0.1726

N = 1096, F-statistic = 7.6691 on 29 and 1066 df, p-value = 0
 

 
Value
Std. Error
t-value
p-value 
(Intercept)
1.4445
0.7754
1.8629
0.0625
t1
0.0035
0.0041
0.8367
0.4028
t2
0.0000
0.0000
-0.8276
0.4079
pcs1
0.1509
0.0600
2.5158
0.0119
pcs2
0.1044
0.1159
0.9007
0.3678
pcs3
0.3688
0.4629
0.7968
0.4255
pcs4
0.0431
0.0187
2.3085
0.0210
pcs5
0.0064
0.0135
0.4752
0.6346
pcs6
0.0206
0.0225
0.9152
0.3601
pcs7
-0.0021
0.0153
-0.1392
0.8893
pcs8
0.0231
0.0319
0.7246
0.4687
ps1
0.1101
0.0251
4.3894
0.0000
ps2
-0.0575
0.0238
-2.4202
0.0155
ps3
-0.0335
0.0423
-0.7929
0.4278
ps4
0.0524
0.0161
3.2459
0.0012
ps5
-0.0223
0.0137
-1.6250
0.1042
ps6
0.0354
0.0162
2.1806
0.0292
ps7
0.0023
0.0143
0.1611
0.8720
ps8
0.0023
0.0173
0.1354
0.8923
I1
0.2221
0.0352
6.3084
0.0000
I2
0.0814
0.0366
2.2245
0.0261
I3
0.1995
0.0354
5.6430
0.0000
I4
0.1084
0.0362
2.9918
0.0028
I5
0.0835
0.0364
2.2937
0.0218
I6
-0.0059
0.0372
-0.1584
0.8741
holiday1
-0.2011
0.0425
-4.7276
0.0000
holiday2
0.0644
0.0577
1.1167
0.2641
influ
0.0190
0.0278
0.6835
0.4943
temperature
0.0058
0.0047
1.2407
0.2147
humidity
0.0000
0.0011
-0.0427
0.9659

 
 
 

Table E19: Core model for hospital deaths due to respiratory disease, all ages

Residual Standard Error = 0.3672, Multiple R-Square = 0.2598

N = 1096, F-statistic = 12.8988 on 29 and 1066 df, p-value = 0
 

 
Value
Std. Error
t-value
p-value 
(Intercept)
1.6001
0.8198
1.9517
0.0510
t1
0.0034
0.0044
0.7699
0.4414
t2
0.0000
0.0000
-0.6791
0.4970
pcs1
0.1648
0.0631
2.6121
0.0090
pcs2
0.0842
0.1221
0.6897
0.4904
pcs3
0.0369
0.0195
1.8893
0.0588
pcs4
-0.0570
0.0160
-3.5693
0.0004
pcs5
-0.0011
0.0141
-0.0795
0.9366
pcs6
0.3052
0.4870
0.6267
0.5309
pcs7
0.0529
0.0236
2.2368
0.0253
pcs8
0.0248
0.0337
0.7350
0.4623
ps1
0.2561
0.0262
9.7857
0.0000
ps2
-0.0277
0.0251
-1.1038
0.2697
ps3
0.1170
0.0170
6.8875
0.0000
ps4
0.0318
0.0150
2.1170
0.0343
ps5
-0.0582
0.0144
-4.0501
0.0001
ps6
0.1158
0.0448
2.5854
0.0097
ps7
0.0783
0.0172
4.5593
0.0000
ps8
0.0587
0.0181
3.2336
0.0012
I1
0.0874
0.0367
2.3789
0.0174
I2
0.0215
0.0377
0.5697
0.5689
I3
0.0657
0.0369
1.7794
0.0752
I4
0.0287
0.0374
0.7664
0.4435
I5
0.0581
0.0371
1.5657
0.1174
I6
0.0603
0.0370
1.6295
0.1032
holiday1
0.0169
0.0407
0.4151
0.6781
holiday2
0.0408
0.0621
0.6581
0.5105
influ
0.0465
0.0285
1.6280
0.1035
temperature
0.0099
0.0048
2.0520
0.0402
humidity
-0.0037
0.0011
-3.3819
0.0007

 

Table E20: Core model for hospital deaths due to circulatory disease, all ages

Residual Standard Error = 0.3669, Multiple R-Square = 0.2057

N = 1096, F-statistic = 9.5201 on 29 and 1066 df,p-value = 0
 

 
Value
Std. Error
t-value
p-value 
(Intercept)
2.9099
0.7867
3.6988
0.0002
t1
0.0005
0.0042
0.1271
0.8988
t2
0.0000
0.0000
-0.1839
0.8541
pcs1
0.0541
0.0618
0.8759
0.3811
pcs2
0.0303
0.1186
0.2550
0.7987
pcs3
0.0323
0.0194
1.6641
0.0961
pcs4
0.0772
0.4734
0.1630
0.8705
pcs5
-0.0209
0.0142
-1.4746
0.1403
pcs6
-0.0152
0.0159
-0.9559
0.3391
pcs7
0.0054
0.0332
0.1625
0.8709
pcs8
0.0379
0.0231
1.6371
0.1016
ps1
0.0492
0.0262
1.8803
0.0601
ps2
-0.0598
0.0246
-2.4267
0.0152
ps3
0.0448
0.0170
2.6360
0.0084
ps4
-0.0516
0.0436
-1.1831
0.2368
ps5
-0.0238
0.0144
-1.6475
0.0995
ps6
0.0039
0.0151
0.2552
0.7986
ps7
-0.0204
0.0181
-1.1252
0.2605
ps8
0.0092
0.0171
0.5381
0.5905
I1
0.0207
0.0364
0.5703
0.5685
I2
-0.0100
0.0370
-0.2712
0.7862
I3
-0.0081
0.0367
-0.2206
0.8254
I4
0.0124
0.0367
0.3391
0.7346
I5
-0.0281
0.0370
-0.7598
0.4474
I6
-0.0470
0.0371
-1.2665
0.2053
holiday1
0.0050
0.0403
0.1235
0.9017
holiday2
0.0620
0.0605
1.0254
0.3052
influ
0.0221
0.0295
0.7496
0.4535
temperature
-0.0168
0.0048
-3.4998
0.0005
humidity
-0.0028
0.0011
-2.5970
0.0094

 
 
 
 

Table F1: Relative risks (RR) and 95% confidence interval (95% CI) for 50 ug/m3 increase in a pollutant for each category of hospital admission ?1995-97
 

      Respiratory (ICD9: 460-519)  
   
Lag 0
   
Lag (0-n)*
 
Pollutant Age
RR (95% CI)
p-value
Lag :
RR (95% CI)
p-value
NO2 (24-hr) All
1.08 (1.06,1.10)
0.0000
0-0 :
1.08 (1.06,1.10)
0.0000
  <15
1.04 (1.01,1.07)
0.0055
0-3 :
1.08 (1.04,1.12)
0.0001
  15-64
1.06 (1.03,1.10)
0.0002
0-0 :
1.06 (1.03,1.10)
0.0002
  65-74
1.07 (1.03,1.10)
0.0002
0-1 :
1.09 (1.06,1.15)
0.0000
  75+
1.10 (1.07,1.14)
0.0000
0-0 :
1.10 (1.07,1.14)
0.0000
SO2 (24-hr) All
1.04 (1.02,1.07)
0.0024
0-0 :
1.04 (1.02,1.07)
0.0024
  <15
1.01 (0.96,1.05)
0.7884
0-1 :
0.99 (0.94,1.04)
0.6575
  15-64
1.04 (0.99,1.09)
0.0832
0-0 :
1.04 (0.99,1.09)
0.0832
  65-74
1.06 (1.01,1.11)
0.0239
0-0 :
1.06 (1.01,1.11)
0.0239
  75+
1.14 (1.09,1.19)
0.0000
0-0 :
1.14 (1.09,1.19)
0.0000
RSP (24-hr) All
1.04 (1.02,1.06)
0.0000
0-3 :
1.06 (1.04,1.09)
0.0000
  <15
1.04 (1.01,1.07)
0.0019
0-3 :
1.09 (1.05,1.12)
0.0000
  15-64
1.03 (1.00,1.05)
0.0596
0-0 :
1.03 (1.00,1.05)
0.0596
  65-74
1.02 (0.99,1.05)
0.1248
0-1 :
1.05 (1.01,1.08)
0.0075
  75+
1.05 (1.03,1.08)
0.0001
0-0 :
1.05 (1.03,1.08)
0.0001
O3 (8-hr) All
1.03 (1.01,1.05)
0.0005
0-2 :
1.08 (1.06,1.11)
0.0000
  <15
1.03 (1.00,1.06)
0.0326
0-2 :
1.07 (1.03,1.10)
0.0001
  15-64
1.00 (0.97,1.03)
0.9632
0-2 :
1.04 (1.00,1.07)
0.0413
  65-74
1.04 (1.01,1.07)
0.0182
0-2 :
1.09 (1.05,1.14)
0.0000
  75+
1.00 (0.98,1.13)
0.7280
0-1 :
1.06 (1.06,1.10)
0.0010
FSP (24-hr) All
1.05 (1.02,1.07)
0.0002
0-3 :
1.06 (1.03,1.10)
0.0001
  <15
1.02 (0.98,1.06)
0.3335
0-3 :
1.06 (1.01,1.11)
0.0215
  15-64
1.02 (0.98,1.06)
0.2963
0-0 :
1.02 (0.98,1.06)
0.2963
  65-74
1.04 (0.99,1.09)
0.1026
0-1 :
1.07 (1.01,1.12)
0.0125
  75+
1.08 (1.04,1.12)
0.0001
0-0 :
1.08 (1.04,1.12)
0.0001
      COPD (ICD9: 490-496 excluding 493)
NO2 (24-hr) All
1.13 (1.09,1.16)
0.0000
0-1 :
1.14 (1.10,1.19)
0.0000
SO2 (24-hr) All
1.15 (1.10,1.20)
0.0000
0-0 :
1.15 (1.10,1.20)
0.0000
RSP (24-hr) All
1.05 (1.02,1.08)
0.0002
0-0 :
1.05 (1.02,1.08)
0.0002
O3 (8-hr) All
1.01 (0.98,1.03)
0.6988
0-3 :
1.08 (1.04,1.12)
0.0001
FSP (24-hr) All
1.06 (1.02,1.10)
0.0049
0-0 :
1.06 (1.02,1.10)
0.0049
      Asthma (ICD9 493)
NO2 (24-hr) All
1.12 (1.07,1.17)
0.0000
0-3 :
1.22 (1.14,1.30)
0.0000
  <15
1.11 (1.04,1.19)
0.0014
0-3 :
1.33 (1.22,1.46)
0.0000
  15-64
1.12 (1.04,1.20)
0.0031
0-0 :
1.12 (1.04,1.20)
0.0031
SO2 (24-hr) All
1.04 (0.97,1.11)
0.2856
0-0 :
1.04 (0.97,1.11)
0.2856
  <15
0.96 (0.87,1.06)
0.3990
0-1 :
0.95 (0.84,1.06)
0.3547
  15-64
1.14 (1.03,1.27)
0.0116
0-0 :
1.14 (1.03,1.27)
0.0116
RSP(24-hr) All
1.05 (1.01,1.09)
0.0108
0-3 :
1.17 (1.11,1.23)
0.0000
  <15
1.09 (1.04,1.15)
0.0011
0-3 :
1.29 (1.21,1.38)
0.0000
  15-64
0.98 (0.92,1.04)
0.5091
0-0 :
0.98 (0.92,1.04)
0.5091
O3 (8-hr) All
1.04 (1.00,1.09)
0.0584
0-2 :
1.17 (1.11,1.23)
0.0000
  <15
1.10 (1.04,1.17)
0.0009
0-2 :
1.24 (1.16,1.34)
0.0000
  15-64
0.98 (0.92,1.05)
0.5653
0-2 :
1.09 (1.01,1.18)
0.0356
FSP (24-hr) All
1.00 (0.94,1.06)
0.9626
0-3 :
1.11 (1.03,1.20)
0.0066
  <15
1.03 (0.95,1.12)
0.4783
0-3 :
1.25 (1.13,1.38)
0.0000
  15-64
0.92 (0.84,1.01)
0.0804
0-0 :
0.92 (0.84,1.01)
0.0804

 
      Cardiac (ICD9: 390-429)  
NO2 (24-hr) All
1.06 (1.04,1.09)
0.0000
0-1 :
1.07 (1.04,1.10)
0.0000
  15-64
1.06 (1.02,1.09)
0.0029
0-0 :
1.06 (1.02,1.09)
0.0029
  65-74
1.05 (1.01,1.09)
0.0138
0-3 :
1.09 (1.03,1.15)
0.0018
  75+
1.08 (1.05,1.12)
0.0000
0-0 :
1.08 (1.05,1.12)
0.0000
SO2 (24-hr) All
1.07 (1.03,1.10)
0.0001
0-0 :
1.07 (1.03,1.10)
0.0001
  15-64
1.03 (0.98,1.09)
0.1775
0-2 :
1.06 (0.99,1.14)
0.0712
  65-74
1.04 (0.98,1.09)
0.1714
0-1 :
1.06 (1.00,1.13)
0.0685
  75+
1.09 (1.04,1.15)
0.0004
0-0 :
1.09 (1.04,1.15)
0.0004
RSP (24-hr) All
1.02 (1.01,1.05)
0.0137
0-1 :
1.03 (1.01,1.05)
0.0071
  15-64
1.02 (0.99,1.05)
0.1590
0-3 :
1.03 (0.99,1.07)
0.1481
  65-74
1.02 (0.99,1.05)
0.2054
0-1 :
1.03 (1.00,1.07)
0.0767
  75+
1.04 (1.01,1.07)
0.0132
0-1 :
1.05 (1.01,1.08)
0.0000
O3 (8-hr) All
1.00 (0.98,1.02)
0.8749
0-5 :
1.04 (1.01,1.08)
0.0058
  15-64
1.01 (0.98,1.04)
0.4747
0-5 :
1.03 (0.98,1.08)
0.2297
  65-74
1.00 (0.97,1.04)
0.8842
0-5 :
1.08 (1.03,1.14)
0.0023
  75+
0.99 (0.96,1.03)
0.7021
0-3 :
1.07 (1.03,1.11)
0.0016
FSP (24-hr) All
1.02 (0.99,1.05)
0.1452
0-3 :
1.05 (1.01,1.09)
0.0023
  15-64
1.01 (0.97,1.06)
0.6339
0-3 :
1.02 (0.96,1.08)
0.4812
  65-74
1.01 (0.96,1.06)
0.6678
0-3 :
1.03 (1.07,1.10)
0.2732
  75+
1.05 (1.00,1.10)
0.0309
0-3 :
1.08 (1.03,1.14)
0.0044
      IHD (ICD9: 410-414)  
NO2 (24-hr) All
1.04 (1.00,1.07)
0.0552
0-0 :
1.04 (1.00,1.07)
0.0552
  15-64
0.99 (0.93,1.04)
0.6226
0-0 :
0.99 (0.93,1.04)
0.6226
  65-74
1.07 (1.01,1.13)
0.0273
0-3 :
1.11 (1.06,1.11)
0.0116
  75+
1.07 (1.01,1.14)
0.0222
0-0 :
1.07 (1.01,1.14)
0.0222
SO2 (24-hr) All
1.01 (0.96,1.06)
0.6082
0-1 :
1.02 (0.96,1.08)
0.5635
  15-64
0.96 (0.89,1.04)
0.3536
0-0 :
0.96 (0.89,1.04)
0.3536
  65-74
1.09 (1.07,1.12)
0.0000
0-1 :
1.04 (0.95,1.14)
0.3964
  75+
1.08 (1.05,1.10)
0.0000
0-3 :
0.93 (0.81,1.05)
0.2366
RSP (24-hr) All
1.03 (1.00,1.06)
0.0982
0-0 :
1.03 (1.00,1.06)
0.0982
  15-64
0.99 (0.95,1.04)
0.7484
0-1 :
0.98 (0.93,1.03)
0.4713
  65-74
1.05 (1.00,1.09)
0.0593
0-1 :
1.07 (1.03,1.12)
0.0161
  75+
1.05 (1.00,1.10)
0.0478
0-0 :
1.05 (1.00,1.10)
0.0478
O3 (8-hr) All
1.00 (0.97,1.03)
0.9800
0-3 :
1.02 (0.98,1.07)
0.2944
  15-64
1.01 (0.96,1.06)
0.7614
0-1 :
1.01 (0.95,1.07)
0.7592
  65-74
1.01 (0.96,1.06)
0.8053
0-2 :
1.05 (0.99,1.12)
0.1246
  75+
0.99 (0.94,1.04)
0.7276
0-3 :
1.04 (0.97,1.11)
0.3225
FSP (24-hr) All
0.99 (0.95,1.04)
0.6478
0-0 :
0.99 (0.95,1.04)
0.6478
  15-64
0.95 (0.89,1.02)
0.1785
0-0 :
0.95 (0.89,1.02)
0.1785
  65-74
1.00 (0.93,1.07)
0.9873
0-1 :
1.03 (0.95,1.11)
0.4381
  75+
1.04 (0.96,1.12)
0.3375
0-1 :
1.05 (0.97,1.14)
0.2437
* Note: 1) Lag 0-n denotes the cumulative effects of the mean pollutant concentration of lag from day 0 (same day) to day 1 up to day n

2) using up to Lag 0-5 for ozone and up to Lag 0-3 for other pollutants
 

  •  
 Table F2: Relative risk (RR) and 95% confidence interval (95% CI) for 50 ug/m3 increase in a pollutant for each category of hospital deaths 1995-97?all ages
 
    Respiratory (ICD9: 460-519)  
 
(Lag 0)
   
(Lag 0-n)*
 
Pollutant RR (95% CI) p-value
Lag :
RR (95% CI) p-value
NO2 (24-hr) 1.08 (1.02,1.15) 0.0140
0-1 :
1.10 (1.03,1.18) 0.0068
SO2 (24-hr) 1.08 (1.00,1.18) 0.0638
0-0 :
1.08 (1.00,1.18) 0.0638
RSP (24-hr) 1.04 (0.99,1.09) 0.1655
0-1 :
1.05 (0.99,1.11) 0.0840
O3 (8-hr) 1.01 (0.95,1.06) 0.7951
0-3 :
1.06 (0.99,1.14) 0.1043
FSP (24-hr) 1.02 (0.94,1.10) 0.6398
0-1 :
1.04 (0.95,1.13) 0.3981
    Cardiovascular (ICD9: 390-459)  
NO2 (24-hr) 1.08 (1.02,1.15) 0.0130
0-0 :
1.08 (1.02,1.15) 0.0130
SO2 (24-hr) 1.01 (0.92,1.11) 0.8009
0-3 :
0.95 (0.83,1.09)  0.4560
RSP (24-hr) 1.02 (0.97,1.07) 0.4196
0-3 :
1.06 (0.99,1.14)  0.0789
O3 (8-hr) 1.00 (0.95,1.06) 0.9917
0-4 :
1.05 (0.97,1.14)  0.1914
FSP (24-hr) 1.02 (0.94,1.11) 0.6596
0-3 :
1.05 (0.95,1.17) 0.3150
  •  
* Note: 1) Lag 0-n denotes the cumulative effects of the mean pollutant concentration of lag from day 0 (same day) to day 1 up to day n

2) using up to Lag 0-5 for ozone and up to Lag 0-3 for other pollutants
 

 Table G1: Relative risk (RR) and 95% confidence interval (95% CI) for 50 ug/m3 increase in a pollutant adjusted for a copollutant which was associated with the greatest adjustment effect as well as well as adjusted for autocorrelation ?hospital admissions 1995-97
 
Pollutant RR (95% CI) p-value [Copollutant] (95% CI)* p-value*
  Respiratory all ages
NO2 1.06 (1.04, 1.08) 0.000 [O3] - -
SO2 0.96 (0.92, 0.99) 0.016 [NO2] - 0.020
RSP 1.03 (1.00, 1.06) 0.023 [O3] - 0.047
O3 1.07 (1.04, 1.09) 0.000 [NO2] - -
FSP 1.04 (0.98, 1.10) 0.192 [RSP] - 0.176
COPD all ages
NO2 1.11 (1.06, 1.16) 0.000 [SO2] - -
SO2 1.08 (1.02, 1.13) 0.005 [NO2] (1.02, 1.14) 0.006
RSP 0.98 (0.95, 1.01) 0.253 [NO2] - 0.229
O3 1.03 (0.99, 1.07) 0.123 [NO2] - 0.118
FSP 1.02 (0.95, 1.09) 0.655 [RSP] - 0.624
Asthma all ages
NO2 1.13 (1.02, 1.25) 0.018 [RSP] (1.02, 1.24) 0.014
SO2 0.96 (0.90, 1.04) 0.316 [NO2] - 0.309
RSP 1.09 (1.00, 1.18) 0.045 [NO2] (1.01, 1.17) 0.036
O3 1.11 (1.05, 1.18) 0.000 [RSP] - -
FSP 0.99 (0.90, 1.10) 0.913 [NO2] - 0.902
Cardiac all ages
NO2 1.06 (1.02, 1.09) 0.001 [SO2] - -
SO2 1.03 (0.99, 1.07) 0.128 [NO2] - 0.100
RSP 0.98 (0.95, 1.01) 0.244 [NO2] - 0.236
O3 1.02 (0.99, 1.05) 0.213 [NO2] - -
FSP 1.01 (0.96, 1.05) 0.770 [NO2] - 0.759
IHD all ages
NO2 1.03 (0.98, 1.08) 0.289 [RSP]    
SO2 0.99 (0.93, 1.06) 0.858 [RSP]    
RSP 1.01 (0.97, 1.05) 0.664 [NO2] (No autocorrelation)
O3 1.01 (0.97, 1.06) 0.603 [NO2]    
FSP 1.00 (0.95, 1.06) 0.905 [SO2]    
* After adjusted for autocorrelation, all RRs were unchanged; those 95% CIs and p-values which have changes are presented.Table G2: Relative risk (RR) and 95% confidence interval (95% CI) for 50 ug/m3 increase in a pollutant adjusted for a copollutant which was associated with the greatest adjustment effect ?hospital deaths 1995-97
 
Pollutant RR (95% CI) p-value [Copollutant]
  Respiratory deaths all ages
NO2 1.09 (1.00, 1.19) 0.044 [SO2]
SO2 1.02 (0.92, 1.13) 0.669 [NO2]
RSP 0.99 (0.91, 1.07) 0.761 [NO2]
O3 1.03 (0.95, 1.11) 0.457 [NO2]
FSP 1.00 (0.90, 1.12) 0.959 [O3]
Cardiovascular death all ages
NO2 1.07 (1.00, 1.15) 0.057 [RSP]
SO2 0.87 (0.74, 1.02) 0.079 [RSP]
RSP 1.03 (0.95, 1.11) 0.449 [NO2]
O3 1.03 (0.94, 1.12) 0.564 [RSP]
FSP 1.00 (0.89, 1.13) 0.967 [RSP]

Note: For hospital deaths there were no autocorrelations.
 

Table H1: Relative risk (RR) and 95% confidence interval (95% CI) for 50 ug/m3 increase of a pollutant at low and high level of a copollutant ?hospital admission 1995-97

  1. Respiratory all ages
Copollutant
NO2 RR (95% CI)
p-value
SO2 Low
1.12 (1.08, 1.16)
0.000
  High
1.07 (1.05, 1.10)
0.000
COPD all ages
Copollutant
NO2 RR (95% CI)
p-value
O3 Low
1.09 (1.05, 1.14)
0.000
  High
1.17 (1.12, 1.23)
0.000
   
SO2 RR (95% CI)
 
NO2 Low
1.22 (1.12, 1.33)
0.000
  High
1.08 (1.03, 1.14)
0.002
   
O3 RR (95% CI)
 
NO2 Low
0.94 (0.90, 0.99)
0.011
  High
1.01 (0.97, 1.04)
0.739
Asthma all ages
Copollutant
NO2 RR (95% CI)
p-value
SO2 Low
1.27 (1.16, 1.39)
0.000
  High
1.10 (1.04, 1.17)
0.002
   
O3 RR (95% CI)
 
SO2 Low
1.10 (1.04, 1.16)
0.001
  High
1.00 (0.95, 1.06)
0.893

 
 

Table I1: Relative risk (RR) and 95% confidence interval (95% CI) for 50 ug/m3 of a pollutant in cool and warm seasons ?hospital admission 1995-97

  1. Respiratory all ages
 
Relative Risk (95% CI)
Pollutant
Cool
Warm
NO2
1.10 (1.07, 1.13)
1.05 (1.02, 1.08)
FSP
1.09 (1.04, 1.53)
0.99 (0.93, 1.05)
  1. COPD all ages
 
Relative Risk (95% CI)
Pollutant
Cool
Warm
NO2
1.17 (1.12, 1.22)
1.07 (1.02, 1.12)
O3
1.07 (1.04, 1.11)
1.02 (0.97, 1.06)
Cardiac all ages
 
Relative Risk (95% CI)
Pollutant
Cool
Warm
NO2
1.11 (1.07, 1.14)
1.01 (0.98, 1.04)
SO2
1.11 (1.06, 1.16)
1.04 (0.99, 1.08)
RSP
1.03 (1.00, 1.06)
0.98 (0.95, 1.00)
O3
1.05 (1.02, 1.08)
0.99 (0.96, 1.02)
IHD all ages
 
Relative Risk (95% CI)
Pollutant
Cool
Warm
NO2
1.08 (1.03, 1.14)
0.99 (0.94, 1.04)
O3
1.05 (1.01, 1.09)
0.99 (0.95, 1.04)

 
 

 


NOTE: the following analysis is based on the CORE MODEL: t1 + t2 + pcs1 + pcs2 + pcs3 + pcs4 + pcs5 + pcs6 + pcs7 + pcs8 + ps1 + ps2 + ps3 + ps4 + ps5 + ps6 + ps7 + ps8 + I1 + I2 + I3 + I4 + I5 + I6 + holiday1 + holiday2 + influ + temperature + humidity.


Table J1: Relative risks and 95% CI for 50 ug/m3 increase in the levels of air pollutants for hospital admissions due to combined cardiovascular and respiratory, cardiovascular, asthma, COPD and IHD diseases (1995-97)
 

      Cardiovascular + Respiratory  
   
(Lag 0)
   
(Lag 0-n)*
 
Pollutant  
RR (95% CI)
p-value
Lag :
RR (95% CI)
p-value
NO2 (24-hr) All ages 1.06 (1.05,1.08) 0.0000
0-0 :
1.06 (1.05,1.08) 0.0000
  <15 1.04 (1.01,1.07) 0.0113
0-3 :
1.08 (1.04,1.12) 0.0002
  15-64 1.04 (1.02,1.06) 0.0006
0-0 :
1.04 (1.02,1.06) 0.0006
  65+ 1.08 (1.06,1.10) 0.0000
0-1 :
1.09 (1.06,1,11) 0.0000
SO2 (24-hr) All ages 1.04 (1.02,1.07) 0.0001
0-0 :
1.04 (1.02,1.07) 0.0001
  <15 1.00 (0.96,1.04) 0.9781
0-1 :
0.98 (0.94,1.03) 0.5085
  15-64 1.02 (0.99,1.05) 0.2723
0-0 :
1.02 (0.99,1.05) 0.2723
  65+ 1.10 (1.07,1.13) 0.0000
0-0 :
1.10 (1.07,1.13) 0.0000
RSP (24-hr) All ages 1.03 (1.02,1.04) 0.0000
0-3 :
1.05 (1.03,1.07) 0.0000
  <15 1.03 (1.01,1.06) 0.0050
0-3 :
1.09 (1.05,1.12) 0.0000
  15-64 1.01 (1.00,1.03) 0.1294
0-0 :
1.01 (1.00,1.03) 0.1294
  65+ 1.03 (1.02,1.05) 0.0000
0-1 :
1.04 (1.02,1.06) 0.0000
O3 (8-hr) All ages 1.02 (1.00,1.03) 0.0253
0-3 :
1.06 (1.04,1.08) 0.0000
  <15 1.03 (1.00,1.05) 0.0350
0-2 :
1.07 (1.03,1.10) 0.0001
  15-64 1.00 (0.98,1.02) 0.6949
0-5 :
1.03 (1.00,1.06) 0.0641
  65+ 1.00 (0.99,1.02) 0.6643
0-3 :
1.05 (1.03,1.07) 0.0001
      Cardiovascular    
NO2 (24-hr) All ages 1.04 (1.02,1.06) 0.0000
0-0 :
1.04 (1.02,1.06) 0.0000
  <15 0.92 (0.82,1.04) 0.1820
0-0 :
0.92 (0.82,1.04) 0.1820
  15-64 1.02 (0.99,1.05) 0.1511
0-3 :
1.04 (1.00,1.08) 0.0419
  65+ 1.06 (1.03,1.08) 0.0000
0-0 :
1.06 (1.03,1.08) 0.0000
SO2 (24-hr) All ages 1.05 (1.02,1.08) 0.0006
0-0 :
1.05 (1.02,1.08) 0.0006
  <15 0.88 (0.75,1.03) 0.1033
0-0 :
0.88 (0.75,1.03) 0.1033
  15-64 1.00 (0.96,1.04) 0.9952
0-3 :
1.02 (0.96,1.09) 0.4572
  65+ 1.08 (1.05,1.11) 0.0000
0-0 :
1.08 (1.05,1.11) 0.0000
RSP(24-hr) All ages 1.02 (1.00,1.03) 0.0525
0-3 :
1.03 (1.00,1.05) 0.0195
  <15 0.91 (0.83,1.00) 0.0539
0-0 :
0.91 (0.83,1.00) 0.0539
  15-64 1.01 (0.98,1.03) 0.6636
0-3 :
1.02 (0.99,1.05) 0.2017
  65+ 1.03 (1.01,1.05) 0.0076
0-1 :
1.03 (1.01,1.05) 0.0037
O3 (8-hr) All ages 1.00 (0.98,1.01) 0.7188
0-5 :
1.03 (1.00,1.05) 0.0442
  <15 1.01 (0.91,1.11) 0.8772
0-5 :
1.07 (0.93,1.24) 0.3463
  15-64 1.01 (0.98,1.03) 0.5797
0-5 :
1.03 (0.99,1.07) 0.1554
  65+ 0.99 (0.97,1.01) 0.3639
0-4 :
1.03 (1.00,1.06) 0.0679
      Respiratory    
NO2 (24-hr) All ages 1.08 (1.06,1.10) 0.0000
0-0 :
1.08 (1.06,1.10) 0.0000 
  <15 1.04 (1.01,1.07) 0.0055
0-3 :
1.08 (1.04,1.12) 0.0001
  15-64 1.06 (1.03,1.10) 0.0002
0-0 :
1.06 (1.03,1.10) 0.0002
  65+ 1.10 (1.07,1.13) 0.0000
0-1 :
1.11 (1.08,1.15) 0.0000
SO2 (24-hr) All ages 1.04 (1.02,1.07) 0.0024
0-0 :
1.04 (1.02,1.07) 0.0024
  <15 1.01 (0.96,1.05) 0.7884
0-1 :
0.99 (0.94,1.04) 0.6575
  15-64 1.04 (0.99,1.09) 0.0832
0-0 :
1.04 (0.99,1.09) 0.0832
  65+ 1.11 (1.07,1.15) 0.0000
0-0 :
1.11 (1.07,1.15) 0.0000

 
 
RSP (24-hr) All ages 1.04 (1.02,1.06) 0.0000
0-3 :
1.06 (1.04,1.09) 0.0000
  <15 1.04 (1.01,1.07) 0.0019
0-3 :
1.09 (1.05,1.12) 0.0000
  15-64 1.03 (1.00,1.05) 0.0596
0-0 :
1.03 (1.00,1.05) 0.0596
  65+ 1.04 (1.02,1.07) 0.0001
0-1 :
1.06 (1.03,1.08) 0.0000
O3 (8-hr) All ages 1.03 (1.01,1.05) 0.0005
0-2 :
1.08 (1.06,1.11) 0.0000
  <15 1.03 (1.00,1.06) 0.0326
0-2 :
1.07 (1.03,1.10) 0.0001
  15-64 1.00 (0.97,1.03) 0.9632
0-2 :
1.04 (1.00,1.07) 0.0413
  65+ 1.02 (0.99,1.04) 0.1456
0-3 :
1.07 (1.04,1.11) 0.0000
      Asthma      
NO2 (24-hr) All ages 1.12 (1.07,1.17) 0.0000
0-3 :
1.22 (1.14,1.30) 0.0000
SO2 (24-hr) All ages 1.04 (0.97,1.11) 0.2856
0-0 :
1.04 (0.97,1.11) 0.2856
RSP (24-hr) All ages 1.05 (1.01,1.09) 0.0108
0-3 :
1.17 (1.11,1.23) 0.0000
O3 (8-hr) All ages 1.04 (1.00,1.09) 0.0584
0-2 :
1.17 (1.11,1.23) 0.0000
      COPD      
NO2 (24-hr) All ages 1.11 (1.08,1.14) 0.0000
0-0 :
1.11 (1.08,1.14) 0.0000 
SO2 (24-hr) All ages 1.10 (1.06,1.14) 0.0000
0-0 :
1.10 (1.06,1.14) 0.0000
RSP (24-hr) All ages 1.05 (1.02,1.07) 0.0001
0-3 :
1.09 (1.06,1.13) 0.0000
O3 (8-hr) All ages 1.01 (0.99,1.04) 0.4299
0-3 :
1.10 (1.06,1.13) 0.0000
      IHD      
NO2 (24-hr) All ages 1.04 (1.00,1.07) 0.0552
0-0 :
1.04 (1.00,1.07) 0.0552
SO2 (24-hr) All ages 1.01 (0.96,1.06) 0.6082
0-1 :
1.02 (0.96,1.08) 0.5635
RSP (24-hr) All ages 1.03 (1.00,1.06) 0.0982
0-0 :
1.03 (1.00,1.06) 0.0982
O3 (8-hr) All ages 1.00 (0.97,1.03) 0.9800
0-3 :
1.02 (0.98,1.07) 0.2944
  •  
* Note: 1) Lag 0-n denotes the cumulative effects of the mean of lag from day 0 (same day) to previous day 1 up to day n

2) using up to Lag 0-5 for ozone and up to Lag 0-3 for other pollutants
 

 Table J2: Relative risks and 95% CI for 50 ug/m3 increase in the levels of air pollutants for hospital deaths due to combined circulatory + respiratory, respiratory and circulatory diseases (1995-97)

Hospital admissions by diseases:
 

 
Circulatory + Respiratory, all ages
 
(Lag 0)
   
(Lag 0-n)*
 
Pollutant RR (95% CI) p-value
Lag :
RR (95% CI) p-value
NO2 (24-hr) 1.08 (1.03,1.13) 0.0007
0-1 :
1.09 (1.04,1.15) 0.0006
SO2 (24-hr) 1.05 (0.99,1.12) 0.1331
0-0 :
1.05 (0.99,1.12)  0.1331
RSP (24-hr) 1.03 (0.99,1.07) 0.1369
0-3 :
1.06 (1.01,1.11)  0.0201
O3 (8-hr) 1.01 (0.96,1.04) 0.9045
0-4 :
1.05 (1.00,1.11)  0.0678
 
Circulatory, all ages
NO2 (24-hr) 1.08 (1.02,1.15) 0.0130
0-0 :
1.08 (1.02,1.15) 0.0130
SO2 (24-hr) 1.01 (0.92,1.11) 0.8009
0-3 :
0.95 (0.83,1.09) 0.4560
RSP (24-hr) 1.02 (0.97,1.07) 0.4196
0-3 :
1.06 (0.99,1.14) 0.0789
O3 (8-hr) 1.00 (0.95,1.06) 0.9917
0-4 :
1.05 (0.97,1.14) 0.1914
 
Respiratory, all ages
NO2 (24-hr) 1.08 (1.02,1.15) 0.0140
0-1 :
1.10 (1.03,1.18)  0.0068
SO2 (24-hr) 1.08 (1.00,1.18) 0.0638
0-0 :
1.08 (1.00,1.18) 0.0638
RSP (24-hr) 1.04 (0.99,1.09) 0.1655
0-1 :
1.05 (0.99,1.11) 0.0840
O3 (8-hr) 1.01 (0.95,1.06) 0.7951
0-3 :
1.06 (0.99,1.14) 0.1043

* Note: 1) Lag 0-n denotes the cumulative effects of the mean of lag from day 0 (same day) to previous day 1up to day n

2) using up to Lag 0-5 for ozone and up to Lag 0-3 for other pollutants

 

 

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