Table 1

Follow up of 1939 study cohort (SMRs for selected end points for residents (men and women combined) of Shipham (n=351) and Hutton (n=260), with reference rates estimated for the South West Region, 1946–58, and the South West Health Region, 1959–97)

Cause		Shipham			Hutton
Cause		Observed	SMR		95% CI	Observed	SMR	95% CI
All causes of death	254	90	79 to 101	185	90	78 to 104
Malignant neoplasms	42	81	59 to 110	33	88	61 to 124
Gastrointestinal cancers	11	56	28 to 100	11	77	39 to 138
Lung cancer	14	146	80 to 246	4	58	16 to 148
Breast cancer (female only)	5	88	29 to 205	1	24	1 to 131
Genitourinary cancer	8	88	38 to 172	11	167	83 to 298
Prostate cancer	1	41	4 to 229	2	124	15 to 447
Ovarian cancer	3	158	33 to 462	4	284	77 to 727
Kidney/bladder cancer	2	81	10 to 294	2	113	14 to 408
Other genitourinary cancer	2	92	11 to 331	3	191	39 to 558
Other malignant neoplasms (males)	2	58	5 to 162	2	83	10 to 301
Other malignant neoplasms (females)	2	45	5 to 162	4	119	32 to 304
Circulatory diseases, and nephritis and nephrosis	159	101	85 to 117	106	93	76 to 112
Hypertension, cerebrovascular disease, and nephritis and nephrosis	68	128	99 to 162	31	81	55 to 116
Other circulatory diseases	91	86	69 to 106	75	97	79 to 122
Respiratory diseases	18	53	32 to 84	19	79	47 to 123