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Table 2 Spearman correlations for predictor variables (n = 1955)

From: The association between variability, intensity, and persistence of suicidal ideation and prospective suicidal behavior in the systematic treatment enhancement program for bipolar disorder (STEP-BD) study

 

1

2

3

4

5

6

7

8

9

10

11

12

13

14

SI score dispersion

1.00

             

SI median score

0.45

1.00

            

Proportion of visits with SI

0.81

0.71

1.00

           

Age at study entry

0.00

0.04

0.02

1.00

          

Gender

0.01

− 0.06

− 0.02

− 0.09

1.00

         

History of suicide attempt

0.16

0.08

0.15

− 0.01

0.12

1.00

        

PDQ score

0.18

0.17

0.21

− 0.12

− 0.02

0.16

1.00

       

Depression severity

0.47

0.39

0.49

0.05

0.07

0.14

0.35

1.00

      

Depression symptom instability

0.32

0.07

0.18

0.00

0.09

0.12

0.23

0.59

1.00

     

Manic symptom instability

0.18

0.10

0.12

− 0.09

0.10

0.12

0.30

0.33

0.46

1.00

    

Alcohol abuse

0.02

− 0.03

− 0.02

− 0.15

− 0.12

0.03

0.12

0.01

0.05

0.03

1.00

   

Substance abuse

− 0.01

− 0.01

0.00

− 0.13

− 0.09

0.03

0.12

− 0.02

0.03

0.04

0.35

1.00

  

Total number of visits

− 0.14

− 0.16

− 0.24

0.10

0.03

− 0.05

− 0.15

− 0.10

0.20

0.04

− 0.07

− 0.07

1.00

 

Days in study

− 0.21

− 0.23

− 0.32

0.11

0.00

− 0.06

− 0.24

− 0.24

0.08

− 0.01

− 0.08

− 0.08

0.78

1.00

  1. SI suicidal ideation, PDQ Personality Disorders Questionnaire