Table 2.

Spearman correlations for predictor variables (n = 1955)

	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

SI suicidal ideation, PDQ Personality Disorders Questionnaire