Table 4.

Univariate associations of neurocognitive functioning with subsequent suicide attempt, ideation, and death among Regular Army enlisted soldiers.¹,²

Neurocognitive Predictors3	Suicide Attempt (N = 607)		Suicide Ideation (N = 955)		Suicide Death (N = 57)
	β	p	β	p	β	p
ANAM Factor Score	−0.128	0.005	−0.232	<0.0001	−0.423	0.005
Mathematical Processing (MTH)	−0.037	<0.0001	−0.037	<0.0001	−0.066	0.006

¹Case-control sample includes enlisted Regular Army enlisted soldiers (i.e., excluding officers and members of the U.S. Army National Guard and Army Reserve) on active duty during the years 2004–2009. Cases are the subset of soldiers who completed neurocognitive testing prior to their first administratively documented suicide attempt. Controls are soldiers who completed the neurocognitive testing prior to their sampled person-month record, representing a subset of a 1:200 stratified probability sample of all active duty Regular Army person-months in the population, exclusive of soldiers with a non-fatal suicidal behavior and all person-months involving a death (i.e., due to suicide, combat, homicide, injury, or illness). All records in the 1:200 control sample were assigned a weight of 200 to adjust for the under-sampling of months not associated with a suicidal behavior.

²Logistic regression models examined univariate associations (controlling only for historical time) of neurocognitive functioning with each outcome (suicide attempters, ideators, and decedents).

³General factor score is based on the throughput scores of 4 tests: Code Substitution (CDS), Procedural Reaction Time (PRO), Matching to Sample (M2S), and Code Substitution Delayed (CDD). The Mathematical Processing (MTH) throughput score was examined as a separate variable.

^*p < 0.05