Table 2

Number of cases of mesothelioma and the rate per 100 000 person-years more than 20 years after first exposure up to age 85, by characteristics of asbestos exposure among former Wittenoom residents by age of first residence

	First exposed aged <15 years			First exposed aged ≥15 years
	n	Rate	95% CI	n	Rate	95% CI
Mesothelioma rate	58*	77	59 to 99	59†	121	94 to 157
Female	22	59	39 to 90	34	105	75 to 148
Male	36	94	68 to 130	25†	153	103 to 226
Age at Wittenoom (years)
0 to <5	34	70	50 to 98
5 to <10	18	93	59 to 148
10 to <15	6	80	36 to 178
15 to <30				40	124	91 to 169
30+				19	128	82 to 201
Missing				1
Year of arrival
≤1958	31	95	67 to 136	32	193	137 to 273
1959–1966	24	77	52 to 115	22	124	82 to 189
1967+	3	25	8 to 78	5	35	14 to 83
Missing				1
Duration of exposure (years)
<2	16	39	24 to 66	20	71	46 to 111
2 to <5	23	106	71 to 160	18	159	100 to 252
5 to <10	11	145	80 to 262	12	246	140 to 434
10+	8	167	84 to 335	9	257	134 to 493
Missing				1
Cumulative exposure (f/mL·years)
0 to <5	16	37	23 to 60	22	69	46 to 106
5 to <10	15	98	59 to 162	12	178	101 to 314
10+	25	166	112 to 246	20	272	175 to 421
Missing	2			6

*One case in those exposed aged <15 years excluded because it occurred <20 years after first exposure.
†One case in those exposed aged >15 years excluded because there was no exposure information derived for this participant.
The overall mesothelioma rate for Children and adults is shown in bold.