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Table 4 Age-standardized suicide rates (per 100,000 population) and changes in rates by method used between 1958–1960 and 1965–1967 for males and females aged 50 years or above, Japan

From: An analysis of secular trends in method-specific suicides in Japan, 1950–1975

 

Male

Female

 

Rate in 1958–1960

Rate in 1965–1967

Difference in rates (%) a

Rate in 1958–1960

Rate in 1965–1967

Difference in rates (%) a

Overall

54.8

41.1

−13.7

(100)

36.0

29.1

−6.9

(100)

Non-poisoning

46.7

36.4

−10.3

(75.4)

31.5

26.0

−5.5

(80.1)

Hanging

35.9

27.9

−8

(58.5)

19.3

16.5

−2.7

(39.8)

Drowning

4.8

3.0

−1.8

(12.9)

9.2

6.6

−2.6

(38.2)

Others

6.0

5.4

−0.6

(4.1)

3.0

2.8

−0.1

(2.1)

Poisoning

8.1

4.7

−3.4

(24.6)

4.5

3.1

−1.4

(19.9)

Opium derivatives

0.004

0

−0.004

(0.03)

0

0

0

(0)

Barbiturates

0.2

0.1

−0.2

(1.1)

0.1

0.04

−0.1

(0.9)

Bromide

1.4

0.4

−1.0

(7.5)

0.8

0.2

−0.6

(8.7)

Other analgesics and soporifics

1.2

0.5

−0.7

(5.0)

0.6

0.3

−0.3

(4.3)

Cyanide compounds

0.9

0.3

−0.5

(3.8)

0.2

0.04

−0.2

(2.2)

Organophosphates for agriculture

2.1

1.4

−0.7

(4.9)

1.1

0.9

−0.2

(2.9)

Other phosphorus preparations

0.9

0.3

−0.6

(4.8)

0.7

0.3

−0.4

(6.2)

Other substances

1.4

1.7

0.3

(−2.4)

0.9

1.3

0.4

(−5.5)

  1. a “%” represents a percentage of the difference between rates of a specified suicide method and that of overall suicides