Table 2.

Trends in gender- and age-specific suicide mortality: rate ratios for annual change in periods 2004–2012 and 2013–2020

	Annual change, 2004–2012	Annual change 2013–2020	P-value for effect modification
	Rate ratio per year (95% CI)	Rate ratio per year (95% CI)
Gender
Male	1.09 (1.03, 1.15)*	0.96 (0.91, 1.01)	<0.001
Female	0.94 (0.85, 1.03)	0.93 (0.83, 1.04)	0.90
Age group by gender
Males
15–24 years	1.15 (0.99, 1.32)	0.99 (0.86, 1.13)	0.126
25–44 years	1.10 (1.02, 1.09)**	0.93 (0.85, 1.02)	0.006
45–64 years	1.05 (0.95, 1.15)	1.02 (0.93, 1.11)	0.67
Over 65 years	1.08 (0.91, 1.27)	0.85 (0.73, 0.99)**	0.039
Females
15–24 years	1.09 (0.79, 1.50)	0.89 (0.64, 1.24)	0.38
25–44 years	0.92 (0.79, 1.07)	0.93 (0.77, 1.11)	0.95
45–64 years	0.93 (0.81, 1.07)	0.95 (0.79, 1.13)	0.88
Over 65 years	0.91 (0.68, 1.21)	0.94 (0.61, 1.53)	0.89

* P < 0.01.

**P < 0.05.