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Table 1 Joinpoint analysis on time trends of age-standardized mortality rates for suicide

From: Age-period-cohort analysis of suicide mortality by gender among white and black Americans, 1983–2012

Population

Calendar period

PAC(95 % CI)

White males

1983–1986

2.3(−0.3,4.9)

 

1986–1995

−0.7(−1.3,–0.2)a

 

1995–2000

−2.5(−4.1,–0.9)a

 

2000–2012

1.3(1.0,1.7)a

 

Full period

APAC = 0.1(−0.3,0.5)

White females

1983–2000

−1.9(−2.1,-1.7)a

 

2000–2012

2.7(2.4,3.1)a

 

Full period

APAC = 0.0(−0.2,0.2)

Black males

1983–1987

3.0(0.9,5.2)a

 

1987–1994

0.4(−0.8,1.5)

 

1994–1999

−4.6(−6.6,-2.6)a

 

1999–2007

−1.5(−2.4,-0.7)a

 

2007–2012

1.0(−0.5,2.5)

 

Full period

APAC = −0.6(−1.2,0.0)

Black females

1983–1989

1.2(−2.4,4.8)

 

1989–1999

−3.1(−4.9,-1.2)a

 

1999–2008

−0.6(−2.9,1.7)

 

2008-2012

5.0(−1.7,12.2)

 

Full period

APAC = −0.4(−1.8,1.1)

  1. aSignificantly different from zero at α = 0.05; APAC: average percent annual change; PAC: percentage of annual change; CI: confidence interval