Table 4

Mortality from cardiovascular and kidney diseases by time since first exposure, duration of employment, and estimated cumulative exposure among men

		Cause of death^4-150
		Hypertension	Ischaemic heart disease	Cerebrovascular diseases	Other diseases of the heart	Nephritis, nephrosis
Time since first exposure (y):
1–19:^4-151
Obs	3	29	13	7	7
RR	1.0	1.0	1.0	1.0	1.0
95% CI	—	—	—	—	—
20–29:
Obs	8	58	34	43	5
RR	3.0	1.3	1.7	4.2	0.4
95% CI	0.7 to 13.3	0.8 to 2.3	0.8 to 3.5	1.7 to 10.1	0.1 to 1.9
⩾30
Obs	38	172	214	221	34
RR	5.0	1.9	2.9	6.7	0.9
95% CI	1.0 to 24.4	1.1 to 3.5	1.3 to 6.1	2.7 to 16.5	0.2 to 4.4
Trend^4-152	0.05	0.02	<0.01	<0.01	0.7

Duration of employment (y):
1–9:^4-151
Obs	7	44	34	36	5
RR	1.0	1.0	1.0	1.0	1.0
95% CI	—	—	—	—	—
10–19:
Obs	10	72	37	39	7
RR	0.9	1.5	1.4	1.0	3.3
95% CI	0.3 to 2.9	0.9 to 2.5	0.8 to 2.5	0.6 to 1.7	0.8 to 13.0
20–29:
Obs	12	95	80	96	13
RR	0.5	1.7	1.4	1.0	4.7
95% CI	0.1 to 2.2	0.9 to 3.0	0.7 to 2.6	0.6 to 1.9	0.9 to 24.7
⩾30
Obs	20	48	110	100	21
RR	0.7	1.9	2.2	1.1	9.1
95% CI	0.1 to 3.3	0.9 to 4.0	1.1 to 4.5	0.6 to 2.2	1.6 to 52.6
Trend^4-152	0.6	0.1	0.02	0.6	0.01

Estimated cumulative exposure (μg/l urine-years):
1–2000:^4-151
Obs	5	40	35	38	7
RR	1.0	1.0	1.0	1.0	1.0
95% CI	—	—	—	—	—
2001–5000:
Obs	10	96	44	46	6
RR	1.3	1.2	0.7	0.9	0.2
95% CI	0.3 to 4.7	0.8 to 2.0	0.4 to 1.2	0.5 to 1.5	0.05 to 1.0
5001–7000:
Obs	11	53	60	66	11
RR	1.4	0.9	0.7	1.1	0.3
95% CI	0.3 to 6.0	0.5 to 1.6	0.4 to 1.4	0.6 to 2.0	0.05 to 1.1
>7000:
Obs	23	70	122	121	22
RR	1.7	1.0	0.7	1.2	0.2
95% CI	0.4 to 7.3	0.6 to 1.9	0.4 to 1.4	0.7 to 2.1	0.05 to 0.9
Trend^4-152	0.5	0.8	0.6	0.3	0.2

Obs=number of observed deaths; RR=relative risk adjusted for age, country, calendar period, time since first employment, and the variables in the table.
↵4-150 See table 2 for ICD-9 codes.
↵4-151 Reference category.
↵4-152 p Value of test for linear trend.

Mortality from cardiovascular diseases and exposure to inorganic mercury

General Practice jobs