Table 4.

High-risk clusters for male and female LCM, 1973–1975, without and with model adjustment (columns are cluster #, major provinces, observed death count, expected death count, and RR)

Without model adjustmentWith model adjustment
Cluster (# of counties)Major provinceDeathExpectRRCluster (#of counties)Major provinceDeathExpectRR
Male
 1 (42)Shanghai4,1571,3073.591-A (16)Shanghai2,2621,0522.26
1-B (88)Zhejiang, Jiangxi1,1068431.33
 2 (2)Guangdong2271062.152 (13)Guangdong4393281.34
 3 (85)Liaoning, Jilin2,8211,5491.923-A (10)Liaoning4703401.39
3-B (10)Liaoning, Jilin2251541.47
 4 (89)Beijing, Tianjin, Shandong, Hebei2,6941,5501.824 (3)Shandong1,8911,0441.87
 5 (122)Shanxi, Henan2,0921,5231.415-A (78)1,3441,0231.33
5-B (88)1,1068431.33
Female
 1 (17)Shanghai1,2934043.451 (30)Shanghai1,2127041.80
 2 (58)Tianjin1,2165032.572 (73)Tianjin, Hebei7655691.37
 3 (52)Liaoning, Shandong1,1055072.293 (10)Liaoning2051341.54
 4 (16)Shandong3531732.074 (59)Shandong1,0065351.96
 5 (26)Jilin5032542.02
 6 (89)Beijing, Hebei7854971.626 (73)Beijing, Hebei7655691.37
 7 (33)Zhejiang4112991.397 (33)Zhejiang3922671.48
8 (2)Chongqing138612.28
9 (7)Guangdong1921111.74
10 (29)Shaanxi168842.01