Table 2 Joinpoint analyses of trends in mortality rates of sudden infant death syndrome (SIDS) and related diagnostic groups

1968–1971

1971–1974

1974–1979

1979–1991

1991–2001

2001–2009

26.5 (20.7, 32.5)*

47.3 (34.2, 61.7)*

3.3 (0.2, 6.3)*

−1.2 (−1.8, −0.6)*

−8.3 (−9.1, −7.5)*

−0.1 (−1.1, 1.0)

1968–1971

1971–1975

1975–1991

1991–1998

1998–2009

6.6 (2.7, 10.7)*

13.5 (9.3, 17.8)*

−0.4 (−0.7, −0.1)*

−7.8 (−9.0, −6.6)*

−0.8 (−1.3, −0.3)*

1968–1970

1970–1975

1975–1991

1991–1998

1998–2009

−0.6 (−8.0, 7.5)

7.7 (5.1, 10.4)*

−0.7 (−1.0, −0.3)*

−7.0 (−8.2, −5.8)*

0.5 (−0.0, 1.0)

1968–1970

1970–1982

1982–1991

1991–1998

1998–2009

−7.8 (−13.3, −1.9)^*

−3.8 (−4.2, −3.4)^*

−0.8 (−1.5, −0.2)*

−6.9 (−7.9, −5.9)^*

0.1 (−0.4, 0.5)