BMC Public Health

Table 2 Linear regression slopes of age-adjusted method-specific suicide rates by sex and age in Taiwan, 1983-1993

From: Trends in solids/liquids poisoning suicide rates in Taiwan: a test of the substitution hypothesis

	Male				Female
	Coeffi.	SE	t	p-value	Coeffi.	SE	t	p-value
15-24 y/o
Poisoning^a	-0.60	0.07	-8.17	0.000***	-0.74	0.05	-14.69	0.000***
Hanging^b	0.09	0.05	1.75	0.114	0.04	0.03	1.29	0.228
Others^c	0.06	0.03	2.19	0.056	0.00	0.02	-0.12	0.907
25-44 y/o
Poisoning^a	-0.86	0.10	-8.94	0.000***	-0.65	0.05	-14.35	0.000***
Hanging^b	0.07	0.07	0.96	0.360	-0.01	0.04	-0.27	0.795
Others^c	0.09	0.04	2.39	0.041*	0.01	0.03	0.31	0.765
45-64 y/o
Poisoning^a	-1.16	0.08	-13.87	0.000***	-0.73	0.12	-6.07	0.000***
Hanging^b	-0.42	0.10	-4.12	0.003**	-0.19	0.06	-3.02	0.014*
Others^c	0.07	0.05	1.32	0.218	-0.01	0.02	-0.35	0.734
65 above
Poisoning^a	-1.86	0.22	-8.43	0.000***	-1.86	0.19	-9.88	0.000***
Hanging^b	-1.30	0.22	-5.81	0.000***	-0.77	0.15	-5.17	0.001***
Others^c	0.05	0.12	0.38	0.713	0.05	0.03	1.82	0.102
Total
Poisoning^a	-0.98	0.08	-12.45	0.000***	-0.82	0.06	-13.09	0.000***
Hanging^b	-0.20	0.07	-2.84	0.019*	-0.13	0.04	-3.29	0.009**
Others^c	0.07	0.04	2.05	0.071	0.00	0.02	0.18	0.858

^a Poisoning by solid or liquid substances
^b Hanging, strangulation and suffocation
^c Others including poisoning by gases, drowning, firearms, cutting and piercing, jumping/falling from high places, other and unspecified means and late effects of injury
p-value: * < 0.05; ** < 0.01; *** < 0.001

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