Table 5.

Areas under the receiver operating characteristics curves (AUC) and their 95% confidence interval (CI), cutoff points, sensitivities and specificities of personality traits for psychological disorders by age group

Personality traits	Stress				Anxiety				Depression
	AUC (95% CI)	Cutoff point	Sensitivity	Specificity	AUC (95% CI)	Cutoff point	Sensitivity	Specificity	AUC (95% CI)	Cutoff point	Sensitivity	Specificity
Neuroticism
≤40	0.856 (0.840–0.872)*	5.22	76%	80%	0.870 (0.853–0.877)*	5.23	79%	79%	0.843 (0.827–0.859)*	5.21	76%	77%
>40	0.800 (0.773–0.827)*	5.20	73%	73%	0.843 (0.815–0.871)*	5.22	76%	79%	0.813 (0.796–0.840)*	5.20	72%	77%
Extraversion
≤40	0.794 (0.813–0.775)*	5.27	72%	72%	0.794 (0.724–0.744)*	5.26	72%	65%	0.763 (0.744–0.782)*	5.27	72%	67%
>40	0.753 (0.726–0.781)*	5.27	71%	68%	0.716 (0.681–0.751)*	5.26	71%	59%	0.744 (0.718–0.769)*	5.27	73%	63%
Agreeableness
≤40	0.538 (0.513–0.563)**	5.22	71%	38%	0.538 (0.497–0.578)**	5.23	61%	45%	0.561 (0.538–0.585)*	5.23	63%	47%
>40	0.575 (0.542–609)*	5.22	65%	46%	0.570 (0.541–0.600)*	5.22	63%	40%	0.570 (0.541–0.600)*	22.5	65%	44%
Openness
≤40	0.664 (0.641–0.687)*	5.29	72%	51%	0.654 (0.628–0.681)*	5.30	63%	61%	0.666 (0.644–0.687)*	5.29	73%	50%
>40	0.640 (0.607–0.672)*	5.29	68%	66%	0.699 (0.661–0.736)*	5.28	73%	60%	0.651 (0.622–0.679)*	5.29	70%	66%
Conscientiousness
≤40	0.688 (0.665–0.710)*	5.34	73%	55%	0.642 (0.612–0.671)*	5.34	70%	54%	0.652 (0.630–0.674)*	5.34	73%	50%
>40	0.660 (0.629–0.691)*	5.34	69%	52%	0.621 (0.581–0.661)*	5.33	73%	41%	0.633 (0.605–0.662)*	5.34	71%	48%

^*P < .001;

^**P < .05.