. Author manuscript; available in PMC: 2023 Mar 2.

Published in final edited form as: Psychol Med. 2019 Sep 23;50(13):2221–2229. doi: 10.1017/S0033291719002320

Table 4.

Regression model of personality trait domains and hospital length of stay (n = 4687 admissions)

Variables	Model with personality trait domains
Variables	β (95% confidence interval)^a	p-value
Personality domain
Disinhibition	2.705 (2.182 to 3.228)	<0.001
Psychoticism	0.802 (0.188 to 1.416)	0.010
Negative affectivity	0.723 (0.231 to 1.215)	0.004
Antagonism/Dissociality	0.571 (−0.355 to 1.499)	0.227
Anankastia	−0.116 (−0.325 to 0.093)	0.277
Detachment	−0.290 (−0.566 to −0.015)	0.039
Sociodemographic features
Age at discharge	0.009 (0.007 to 0.012)	<0.001
Sex, male	−0.088 (−0.144 to −0.032)	0.002
Race, white	0.037 (−0.027 to 0.102)	0.262
Public insurance	−0.001 (−0.053 to 0.054)	0.981
Admission through ER	−0.154 (−0.218 to −0.089)	<0.001
Charlson Comorbidity Index	−0.007 (−0.015 to 0.001)	0.094

ER, emergency room.

β (95% confidence interval) is equal to the variation (and its 95% CI) in days of length of stay, if the named personality trait domain score increased/decreased by 10%.