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Table 2 Correlations between Finnish and Swedish suicide sums

From: Variation and seasonal patterns of suicide mortality in Finland and Sweden since the 1750s

1776–2010

S-m-Ann

F-m-Ann

S-f-Ann

F-f-Ann

S-m-Ann

1

   

F-m-Ann

0.899 (0.0009)

1

  

S-f-Tot

0.955 (<0.001)

0.930 (<0.001)

1

 

F-f-Tot

0.879 (0.0075)

0.982 (< 0.001)

0.933 (< 0.001)

1

1878–1935

S-m-May

F-m-May

S-f-May

F-f-May

S-m-May

1

   

F-m-May

0.613 (0.0392)

1

  

S-f-May

0.419 (0.0757)

0.195 (0.4561)

1

 

F-f-May

0.528 (0.0841)

0.765 (0.0007)

0.247 (0.3345)

1

1969–2010

S-m-May

F-m-May

S-f-May

F-f-May

S-m-May

1

   

F-m-May

0.064 (0.9077)

1

  

S-f-May

0.631 (0.0022)

−0.011 (0.9837)

1

 

F-f-May

0.040 (0.8827)

0.0623 (0.7638)

0.002 (0.9906)

1

1878–1935

S-m-Oct

F-m-Oct

S-f-Oct

F-f-Oct

S-m-Oct

1

   

F-m-Oct

0.597 (0.0745)

1

  

S-f-Oct

0.305 (0.0543)

0.189 (0.3526)

1

 

F-f-Oct

0.429 (0.1534)

0.786 (< 0.001)

0.230 (0.1571)

1

1969–2010

S-m-Oct

F-m-Oct

S-f-Oct

F-f-Oct

S-m-Oct

1

   

F-m-Oct

0.036 (0.9602)

1

  

S-f-Oct

0.464 (0.0653)

0.149 (0.7894)

1

 

F-f-Oct

0.146 (0.7426)

0.476 (0.1010)

0.066 (0.8229)

1

  1. Pearson correlations were computed between Swedish (S) and Finnish (F) data of males (m) and females (f) using annual (Ann), spring (May) and autumn (Oct) sums over the full period 1776–2010, and over the early (1878–1935) and late (1969–2010) periods common to both national monthly datasets. Statistical significance (P) of each correlation is given in brackets