Table 4 Joinpoint analysis of age-standardized suicide rates in countries with and without a law that criminalized attempted suicide for 2000-2019

Countries criminalizing attempted suicide

Segment

Lower Endpoint

Upper Endpoint

APC

Lower CI

Upper CI

Test Statistic (t)

Prob > |t|

1

2000

2004

−1.7*

−2.3

−1.1

−6.0

<  0.001

2

2004

2019

−1.1*

−1.2

−1.0

−26.3

<  0.001

Segment

Lower Endpoint

Upper Endpoint

AAPC

Lower CI

Upper CI

Test Statistic (t)

Prob > |t|

Full Range

2000

2019

−1.2*

− 1.3

− 1.1

−17.8

<  0.05

Countries not criminalizing attempted suicide

Segment

Lower Endpoint

Upper Endpoint

APC

Lower CI

Upper CI

Test Statistic (t)

Prob > |t|

1

2000

2002

−3.5*

−5.8

−1.1

−3.1

0.007

2

2002

2019

−1.9*

−2.0

−1.8

−47.2

<  0.001

Segment

Lower Endpoint

Upper Endpoint

AAPC

Lower CI

Upper CI

Test Statistic (t)

Prob > |t|

Full Range

2000

2019

−2.1*

−2.3

−1.8

−16.7

< 0.05