Brazilian Version of the Level of Personality Functioning Scale-Brief Form 2.0: Evidence of Reliability and Validity

Oliveira, Sérgio Eduardo Silva de; Zimmermann, Johannes; Krueger, Robert Frank; Hutsebaut, Joost

doi:10.1590/0102.3772e39nspe05.en

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Special Issue on Psychological Assessment • Psic.: Teor. e Pesq. 39 (spe) • 2023 • https://doi.org/10.1590/0102.3772e39nspe05.en copy

Brazilian Version of the Level of Personality Functioning Scale-Brief Form 2.0: Evidence of Reliability and Validity

Versão Brasileira da Escala de Nível de Funcionamento da Personalidade - Forma Breve - 2.0: Evidência de Fidedignidade e Validade

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The goal of this research was to investigate the psychometric properties of the Level of Personality Functioning Scale - Brief Form - 2.0 (LPFS-BF-2.0) in Brazilian samples. Therefore, two samples were used in this study, one with 415 and the other with 1,011 Brazilians. Participants completed the Brazilian version of the LPFS-BF-2.0 and other measures of common mental disorder symptoms, suicide risk, the severity of personality pathology, and pathological personality traits. The results indicated that the two-factor model (including self-functioning and interpersonal functioning domains) fits the Brazilian samples better than a one-factor model. The LPFS-BF-2.0 scales indicated adequate reliability coefficients and evidence of convergent validity.

Keywords:
personality; psychopathology; psychometry

	Sample 1		Sample 2		Total
	(n = 415)		(n = 1,011)		(n = 1,426)
Age
Min / Max	12	86	13	67	(n = 1,426)		12	86
M / SD	29,31	11.35	31.66	9.98
Gender	f	%	f	%	f	%
Female	310	74.70	729	72.11	1,039	72.86
Male	105	25.30	274	27.10	379	26.58
Region
North	11	2.65	41	4.06	379	26.58	52	3.65
Northeast	19	4.58	122	12.07	141	9.89
Middle-West	251	60.48	356	35.21	607	42.57
Southeast	66	15.90	357	35.31	423	29.66
South	68	16.39	135	13.35	203	14.24
Ethnic
White	236	56.87	555	54.90	203	14.24	791	55.47
Black	42	10.12	100	9.89	142	9.96
Yellow	11	2.65	16	1.58	27	1.89
Brown	118	28.43	323	31.95	441	30.93
Indian	2	0.48	9	0.89	11	0.77
Other	6	1.45	8	0.79	14	0.98
Educational Level
High	371	89.40	913	90.31	14	0.98	1,284	90.04
Medium	31	7.47	76	7.52	107	7.50
Low	13	3.13	22	2.18	35	2.45
Socioeconomic Level
High	112	26.99	196	19.39	35	2.45	308	21.60
Medium-High	115	27.71	250	24.73	365	25.60
Medium	90	21.69	314	31.06	404	28.33
Medium-Low	81	19.52	200	19.78	281	19.71
Low	17	4.10	117	11.57	134	9.40
Psychiatric Diagnoses
Yes	80	19.28	308	30.46	134	9.40	388	27.21
No	335	80.72	703	69.54	1,038	72.79
Psychiatric Treatment
Yes	55	13.25	206	20.38	1,038	72.79	261	18.30
No	360	86.75	805	79.62	1,165	81.70
Psychological Treatment
Yes	107	25.78	289	28.59	1,165	81.70	396	27.77
No	308	74.22	722	71.41	1,030	72.23

		x ²	d.f.	p	CFI	TLI	SRMR	RMSEA	90% CI
M1	S1	229.408	54	< .001	.964	.956	.060	.089	.077; .101
M1	S2	559.129	54	< .001	.952	.942	.061	.096	.089; .104
M2	S1	156.840	53	< .001	.979	.973	.050	.069	.056; .081
M2	S2	273.453	53	< .001	.979	.974	.043	.064	.057; .072
M3	S1	107.344	48	< .001	.988	.983	.039	.055	.041; .069
M3	S2	179.782	48	< .001	.988	.983	.033	.052	.044; .060
M4	S1*	115.142	50	< .001	.987	.982	.042	.056	.043; .070
M4	S2	264.052	50	< .001	.980	.973	.042	.065	.057; .073
M5	S1	90.091	42	< .001	.990	.984	.033	.053	.038; .068
M5	S2	167.579	42	< .001	.988	.981	.030	.054	.046; .063

Sample 1 (n = 415)
	M	SD	α	95% CI	ω	95% CI	AIC	95% CI
Total	1.93	0.67	.89	.87; .90	.89	.88; .91	.40	.36; .43
Self	2.10	0.85	.88	.86; .90	.88	.86; .90	.55	.51; .59
Interpersonal	1.77	0.60	.74	.70; .76	.74	.71; .78	.33	.28; .37
Identity	2.10	0.91	.82	.78; .84	.82	.79; .85	.60	.54; .65
Self-direction	2.09	0.88	.75	.70; .79	.76	.73; .80	.50	.44; .57
Empathy	1.69	0.63	.65	.59; .71	.67	.62; .73	.38	.32; .45
Intimacy	1.85	0.77	.67	.61; .72	.68	.62; .73	.41	.35; .48
Sample 2 (n = 1,011)
	M	SD	α	95% CI	ω	95% CI	AIC	95% CI
Total	2.19	0.69	.88	.87; .89	.89	.87; .90	.38	.36; .40
Self	2.36	0.86	.87	.86; .88	.88	.86; .89	.53	.51; .56
Interpersonal	2.02	0.66	.75	.72; .77	.75	.72; .77	.33	.30; .36
Identity	2.34	0.94	.81	.79; .83	.81	.79; .83	.58	.55; .61
Self-direction	2.37	0.90	.74	.72; .77	.76	.74; .78	.49	.46; .53
Empathy	2.19	0.77	.66	.63; .70	.66	.63; .70	.40	.36; .43
Intimacy	1.85	0.76	.66	.62; .69	.66	.63; .70	.39	.35; .44

Sample 1 (n = 415)	Total	Self	Interpersonal	Identity	Self-direction	Empathy	Intimacy
SRQ-20 Common Mental Disorder (α = .87, ω = .87)	.68^c	.71^c	.50^c	.70^c	.63^c	.37^c	.48^c
MINI Suicidality Module (α = .81, ω = .84)	.55^c	.55^c	.44^c	.55^c	.49^c	.30^c	.45^c
PID-5-SF Negative affectivity (α = .91, ω = .91)	.76^c	.78^c	.60^c	.76^c	.71^c	.48^c	.52^c
PID-5-SF Detachment (α = .92, ω = .92)	.76^c	.71^c	.68^c	.68^c	.65^c	.50^c	.65^c
PID-5-SF Antagonism (α = .90, ω = .89)	.44^c	.37^c	.45^c	.35^c	.34^c	.50^c	.30^c
PID-5-SF Disinhibition (α = .81, ω = .80)	.53^c	.49^c	.49^c	.46^c	.46^c	.46^c	.39^c
PID-5-SF Psychoticism (α = .88, ω = .89)	.64^c	.60^c	.58^c	.59^c	.54^c	.48^c	.49^c
Sample 2 (n = 1,011)	Total	Self	Interpersonal	Identity	Self-direction	Empathy	Intimacy
SASPD Severity of Personality Pathology (α = .68, ω = .69)	.70^c	.66^c	.60^c	.65^c	.58^c	.51^c	.51^c
PID-5-BF+M Negative Affectivity (α = .76, ω = .76)	.63^c	.66^c	.45^c	.67^c	.58^c	.41^c	.35^c
PID-5-BF+M Detachment (α = .77, ω = .78)	.61^c	.52^c	.61^c	.50^c	.47^c	.41^c	.63^c
PID-5-BF+M Antagonism/Dissociality (α = .78, ω = .79)	.37^c	.28^c	.41^c	.26^c	.27^c	.40^c	.31^c
PID-5-BF+M Disinhibition (α = .76, ω = .77)	.57^c	.54^c	.49^c	.51^c	.50^c	.42^c	.42^c
PID-5-BF+M Anankastia (α = .83, ω = .83)	.26^c	.23^c	.25^c	.20^c	.23^c	.28^c	.16^c
PID-5-BF+M Psychoticism (α = .77, ω = .77)	.53^c	.46^c	.51^c	.44^c	.43^c	.43^c	.44^c

	Adj. R ²	β _Self	β _{Interpersonal}
PID-5-BF+M
Negative Affectivity	.45	.64^c	.04
Detachment	.40	.20^c	.49^c
Antagonism/Dissociality	.18	.02	.42^c
Disinhibition	.35	.36^c	.29^c
Anankastia	.07	.12^b	.18^c
Psychoticism	.30	.22^c	.39^c
SASPD
Severity of Personality	.50	.45^c	.33^c

		Psychiatric diagnosis				Psychological treatment				Psychiatric treatment
		Sample 1 (n = 415)		Sample 2 (n = 1,011)		Sample 1 (n = 415)		Sample 2 (n = 1,011)		Sample 1 (n = 415)		Sample 2 (n = 1,011)
	n	No 335	Yes 80	No 703	Yes 308	No 308	Yes 107	No 722	Yes 289	No 360	Yes 55	No 805	Yes 206
Total	M	1.84	2.34	2.03	2.55	1.91	2.00	2.12	2.34	1.88	2.30	2.08	2.59
	SD	0.64	0.64	0.65	0.65	0.68	0.63	0.69	0.69	0.65	0.65	0.66	0.66
	g	-0.78^c		-0.81^c		-0.12		-0.32^c		-0.65^c		-0.77^c
Self	M	1.97	2.62	2.14	2.84	2.06	2.20	2.26	2.60	2.03	2.55	2.23	2.87
	SD	0.82	0.77	0.81	0.77	0.86	0.81	0.86	0.83	0.58	0.63	0.83	0.79
	g	-0.80^c		-0.89^c		-0.17		-0.40^c		-0.64^c		-0.79^c
Interpersonal	M	1.70	2.06	1.91	2.23	1.77	1.79	2.00	2.08	1.73	2.06	1.94	2.32
	SD	0.57	0.62	0.62	0.68	0.61	0.58	0.65	0.68	0.58	0.63	0.63	0.69
	g	-0.59^c		-0.53^c		-0.04		-0.14^a		-0.54^c		-0.57^c
Identity	M	1.97	2.65	2.10	2.89	2.06	2.22	2.23	2.61	2.03	2.57	2.20	2.90
	SD	0.89	0.79	0.88	0.84	0.92	0.86	0.93	0.92	0.90	0.82	0.90	0.88
	g	-0.80^c		-0.92^c		-0.17		-0.41^c		-0.62^c		-0.79^c
Self-direction	M	1.98	2.58	2.18	2.80	2.06	2.19	2.29	2.59	2.03	2.53	2.26	2.83
	SD	0.85	0.87	0.86	0.85	0.90	0.84	0.90	0.87	0.86	0.91	0.88	0.83
	g	-0.71^c		-0.73^c		-0.15		-0.34^c		-0.57^c		-0.68^c
Empathy	M	1.65	1.88	2.09	2.41	1.69	1.70	2.16	2.25	1.67	1.87	2.11	2.48
	SD	0.61	0.71	0.74	0.77	0.64	0.62	0.77	0.77	0.62	0.67	0.74	0.78
	g	-0.35^b		-0.42^c		-0.00		-0.12^a		-0.32^a		-0.48^c
Intimacy	M	1.76	2.23	1.73	2.10	1.84	1.88	1.82	1.92	1.79	2.24	1.77	2.15
	SD	0.74	0.77	0.71	0.83	0.79	0.71	0.75	0.79	0.75	0.79	0.72	0.84
	g	-0.63^c		-0.48^c		-0.05		-0.13^a		-0.58^c		-0.50^c

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