Table 4. Regression Models for the Relationships Between Suicidal Behavior and Each of Baseline or Pre-Task Cortisol Levels and Cortisol Reactivity With and Without Controlling for Demographics and Hour of the Day When the TSST was Conducted.

	Unstanda β	95% CI	t	p	Unstanda β	95% CI	t	p
Baseline or pre-task cortisolb
SA	−0.45	−0.74, −0.17	−3.11	0.002	−0.42	−0.82, −0.01	−2.02	0.046
SRB	−0.07	−0.39, 0.26	−0.40	0.69	−0.27	−0.66, 0.13	−1.33	0.19
NS	−0.16	−0.36, 0.04	−1.60	0.11	−0.22	−0.51, 0.08	−1.46	0.15
Age					0.004	−0.01, 0.02	0.55	0.58
Sex, femalec					−0.17	−0.33, −0.01	−2.04	0.04
Race, Caucasianc					0.14	−0.04, 0.31	1.53	0.13
Ethnicity, Hispanicc					0.21	−0.12, 0.54	1.27	0.21
Site, Pittsburghc					−0.06	−0.30, 0.18	−0.46	0.65
SESd					0.003	−0.0003, 0.01	1.79	0.08
Time of day					−2.24	−3.72, −0.76	−2.99	0.003
Cortisol reactivitye
SA	−1.00	−14.89, 12.88	−0.15	0.89	−1.74	−13.78, 10.30	−0.29	0.78
SRB	−15.41	−32.42, 1.59	−1.79	0.08	−7.95	−24.65, 8.74	−0.94	0.35
NS	−0.29	−7.83, 7.25	−0.08	0.94	0.27	−9.07, 9.60	0.06	0.96
Age					−0.44	−1.19, 0.31	−1.16	0.25
Sex, femalec					−5.57	−12.13, 0.98	−1.68	0.10
Race, Caucasianc					1.06	−6.32, 8.44	0.28	0.78
Ethnicity, Hispanicc					3.63	−9.11, 16.38	0.56	0.57
Site, Pittsburghc					0.03	−9.47, 9.53	0.01	>0.99
SESd					−0.08	−0.24, 0.09	−0.92	0.36
Time of day					50.66	−15.53, 116.84	1.51	0.13

^aUnstandardized coefficients.

^bBaseline or pre-task cortisol=ln(Cort₋₁₀).

^cCompared with reference categories males, non-Caucasians, non-Hispanic and NY.

^dSES, socio-economic status.

^eCortisol reactivity=AUC_I. Bold values indicate p<0.05.