Table 3.
Indirect effect analysis examining the indirect effect of PID-5-BF scales on the Dark Triad through alexithymia (N=420; 5,000 bootstraps)
| Independent variable (IV) PID-5-BF | Dependent variable (DV) DTDD | Mediating variables (M) TAS-20 | Effect of IV on M (95%CI) | Effect of M on DV (95%CI) | Total effect (95%CI) | Direct effect (95%CI) | Indirect effect (95%CI) | 
|---|---|---|---|---|---|---|---|
| Antagonism | Machiavel-lianism | DIF | .47 (.33, .62) | –.11 (–.18, –.03) | –.05 (–.10, –.01) | ||
| DDF | .24 (.08, .41) | .04 (–.03, .11) | .68 (.59, .77) | .72 (.62, .81) | .01 (–.00, .03) | ||
| EOT | .07 (–.03, .17) | –.02 (–.11, .07) | –.00 (–.02, .00) | ||||
| Detachment | Psychopathy | DIF | .77 (.64, .90) | –.01 (–.10, .08) | –.01 (–.09, .07) | ||
| DDF | .88 (.74, 1.01) | .13 (.04, .22) | .48 (.37, .59) | .36 (.23, .49) | .11 (.03, .20) | ||
| EOT | .24 (.15, .34) | .08 (–.03, .20) | .02 (–.01, .05) | ||||
| Antagonism | Psychopathy | DIF | .47 (.33, .62) | –.02 (–.11, .07) | –.01 (–.06, .04) | ||
| DDF | .24 (.08, .41) | .21 (.13, .30) | .38 (.27, .50) | .33 (.22, .45) | .05 (.02, .10) | ||
| EOT | .07 (–.03, .17) | .12 (.01, .23) | .01 (–.00, .03) | ||||
| Disinhibition | Psychopathy | DIF | .58 (.44, .72) | –.04 (–.13, .05) | –.02 (–.09, .03) | ||
| DDF | .32 (.16, .48) | .22 (.13, .30) | .43 (.31, .54) | .37 (.25, .49) | .07 (.03, .12) | ||
| EOT | .15 (.05, .25) | .09 (–.02, .20) | .01 (–.00, .04) | ||||
| Negative affectivity | Narcissism | DIF | .76 (.64, .88) | .02 (–.11, .16) | .02 (–.09, .13) | ||
| DDF | .53 (.39, .68) | –.10 (–.22, .01) | .48 (.34, .62) | .52 (.35, .68) | –.06 (–.13, .00) | ||
| EOT | .08 (–.01, .17) | .06 (–.09, .22) | .00 (–.00, .03) | ||||
| Antagonism | Narcissism | DIF | .47 (.33, .62) | –.02 (–.13, .09) | –.01 (–.07, .05) | ||
| DDF | .24 (.08, .41) | –.05 (–.15, .05) | 1.02 (.89, 1.15) | 1.04 (.90, 1.18) | –.01 (–.05, .01) | ||
| EOT | .07 (–.03, .17) | .03 (–.10, .16) | .00 (–.01, .02) | 
Note. PID-5-BF=Personality Inventory for DSM-5–Brief Form. DTDD=Dark Triad Dirty Dozen. TAS-20=Toronto Alexithymia Scale-20 items. DIF=TAS-20 Difficulty Identifying Feelings. DDF=TAS-20 Difficulty Describing Feelings. EOT=TAS-20 External Oriented Thinking. CI=confidence interval. 95% CIs that do not include zero indicate significant effects (reported in bold typeface).