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. 2004 Dec 14;10(3):232–235. doi: 10.1038/sj.mp.4001620

Table 2.

Total suicides, person-years, rates, and relative rates by sex and agea

Suicides Person-years Rate (95% CI) RR (95% CI)
Total sample 9528 92 705 505 10.3 (10.1, 10.5)
Older—totalb 1561 11 374 019 13.7 (13.1, 14.4) 1.4 (1.3, 1.5)
Younger—total 7967 81 331 486 9.8 (9.6, 10.0) 1.0
Males—total 7531 44 694 097 16.8 (16.5, 17.2) 4.1 (3.9, 4.3)
Females—total 1997 48 011 408 4.2 (4.0, 4.3) 1.0
Males
 Males—older 1273 4 478 585 28.4 (26.9, 30.0) 1.8 (1.7, 1.9)
 Males—younger 6258 40 215 512 15.6 (15.2, 16.0) 1.0
Female
 Females—older 288 6 895 434 4.2 (3.7, 4.7) 1.0 (0.9, 1.1)
 Females—younger 1709 41 115 974 4.2 (4.0, 4.4) 1.0

a Rates per 100 000 person-years; CI=confidence interval; RR=relative rates. Females and younger people are the referent groups.

b Older is ⩾65 years and younger is <65 years.