Table 2.
Variable | Non-Patient Comparison | Depressed Non-Attempters | Low Lethality Attempters | High Lethality Attempters | p-value1 | Contrast2 |
---|---|---|---|---|---|---|
Continuous Performance Test | ||||||
d’ | −.04 ± 1.0 | −.20 ± 1.1 | −.26 ± 1.1 | −.17 ± 1.0 | .72 | |
Secondary Measures | ||||||
Log Beta | .05 ± 1.1 | −.05 ± 1.0 | .15 ± 1.0 | −.09 ± 1.1 | .65 | |
Hits | −.02 ± 1.0 | −.21 ± 1.2 | −.43 ± 1.3 | −.03 ± 1.1 | .20 | |
False Alarms | −.09 ± 1.0 | −.15 ± 1.0 | .01 ± 1.1 | −.21 ± 1.0 | .75 | |
Random Responses | −.54 ± 1.5 | −.66 ± 1.9 | −.23 ± 1.4 | −.92 ± 2.0 | .26 | |
RT Hits | .22 ± 0.9 | −02 ± 1.0 | .05 ± 1.1 | .07 ± 1.1 | .55 | |
Stroop Task | ||||||
Percent Interference | .20 ± 1.0 | −.29 ± 1.1 | −.47 ± 1.2 | −.89 ± 1.3 | <.001 | HL < LL, NA < C |
Secondary Measures | ||||||
RT Word Items | .47 ± 1.0 | .09 ± 1.5 | .05 ± 1.1 | .11 ± 1.4 | .21 | |
RT Color Items (X’s) | .33 ± 1.0 | −.03 ± 1.2 | −.11 ± 1.3 | .05 ± 1.2 | .16 | |
RT Color/Word Items | .36 ± 1.1 | −.35 ± 1.5 | −.58 ± 1.8 | −.71 ± 1.5 | <.001 | HL, LL, NA < C |
# Correct Word Items | −.07 ± 1.1 | .38 ± 0.8 | .44 ± 0.7 | .39 ± 0.9 | .004 | HL, LL, NA < C |
# Correct Color Items | −.18 ± 1.2 | .12 ± 1.1 | .25 ± 1.2 | .17 ± 1.0 | .17 | |
# Correct Color/Word | −.41 ± 1.7 | .04 ± 1.4 | −.40 ± 2.0 | −.35 ± 2.0 | .35 | |
Blocked Negative | .08 ± 0.7 | −.01 ± 0.8 | −.00 ± 1.2 | −.11 ± 0.7 | .41 | |
Priming | ||||||
Mixed Negative Priming | −.37 ± 1.3 | −.12 ± 1.3 | −.04 ± 1.3 | .09 ± 2.3 | .92 |
Omnibus ANOVA with df=3,242 for CPT and df=3,243 for Stroop.
Student/Newman-Keuls post-hoc test.