Psychometric Properties of the Psychological Factors of Deseases Related Work Inventory: A Study with Workers of the Meat Processing Industry

Guilland, Romilda; Cruz, Roberto Moraes; Kaszubowski, Erikson

doi:10.1590/1413-82712018230312

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Artigos • Psico-USF 23 (3) • July 2018 • https://doi.org/10.1590/1413-82712018230312 copy

Psychometric Properties of the Psychological Factors of Deseases Related Work Inventory: A Study with Workers of the Meat Processing Industry

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

This study assesses the psychometric properties of the Inventory of Psychological Factors in Work-Related Illnesses (IP-T), based on the following indicators: criterion validity, construct validity, and reliability. The sample consisted of 355 workers in the meatpacking industry of pork, poultry and other small animals in the west of the state of Paraná. The Self-Reporting Questionnaire (SRQ-20) and the Hospital Anxiety and Depression Scale (HADS) were also used. All sub-scales of the IP-T proved positive predictors of sick leave due to occupational disease, with moderate sensitivity and specificity. The correlation matrix between the scales was uniform, with coefficients between 0.80 and 0.91, suggesting convergence between the subscales of the IP-T and other scales, but indicating a weak discriminative power. The reliability indices of the sub-scales of the IP-T proved satisfactory: between 0.95 (Anxiety IP-T) and 0.78 (Social Abilities).

Keywords:
Mental disorders; psychometric properties; psychological test; occupational diseases; meatpacking industry

Frase	Itens	Correção	Total de itens
Afirmativa	1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 25, 26, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 53, 54, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 68, 69, 70, 72, 73, 74, 75, 76, 77, 78, 80, 81, 83, 85, 86, 87, 88, 90, 92, 93, 95, 96, 97, 98, 99, 100, 101, 103	Positiva	79
Afirmativa	11, 13, 19, 22, 23, 27, 44, 46, 52, 55, 67, 79, 82, 84, 91, 94, 102	Invertida	17
Negativa	7, 34, 38, 39, 66, 71, 89	Positiva	07

Item	F1	F2	F3	F4	F5	h2	u2	com
IPT54	0.75					0.66	0.34	1.17
IPT56	0.75					0.61	0.39	1.07
IPT29	0.74					0.56	0.44	1.03
IPT36	0.72					0.45	0.55	1.12
IPT43	0.68					0.61	0.39	1.08
IPT49	0.65					0.74	0.26	1.29
IPT66	0.62					0.36	0.64	1.03
IPT10	0.61					0.53	0.47	1.27
IPT31	0.61					0.47	0.53	1.06
IPT25	0.57					0.40	0.60	1.09
IPT14	0.56					0.38	0.62	1.28
IPT21	0.54					0.45	0.55	1.30
IPT16	0.54					0.50	0.50	1.26
IPT69	0.54					0.42	0.58	1.21
IPT45	0.54					0.45	0.55	1.24
IPT12	0.53					0.44	0.56	1.22
IPT32	0.52					0.49	0.51	1.49
IPT74	0.51					0.55	0.45	1.58
IPT61	0.51			0.31		0.69	0.31	1.93
IPT41	0.51					0.47	0.53	1.59
IPT15	0.50					0.61	0.39	1.65
IPT77	0.49					0.37	0.63	1.16
IPT85	0.48					0.42	0.58	1.48
IPT47	0.47					0.39	0.61	1.34
IPT75	0.47					0.51	0.49	1.67
IPT4	0.44					0.23	0.77	1.16
IPT50	0.43					0.33	0.67	1.47
IPT17	0.43	0.33				0.45	0.55	2.38
IPT30	0.43					0.32	0.68	1.36
IPT58	0.42					0.52	0.48	2.08
IPT6	0.40	0.34				0.50	0.50	2.38
IPT70	0.39					0.36	0.64	1.80
IPT78	0.37					0.54	0.46	2.64
IPT57	0.37					0.50	0.50	2.62
IPT3	0.36					0.24	0.76	1.28
IPT18	0.36					0.42	0.58	2.22
IPT52	-0.36				-0.34	0.32	0.68	2.05
IPT24	0.35					0.26	0.74	2.19
IPT9	0.35					0.31	0.69	2.11
IPT20	0.34					0.25	0.75	2.00
IPT2						0.19	0.81	1.56
IPT42						0.41	0.59	2.87
IPT1						0.18	0.82	2.80
IPT59						0.24	0.76	2.58
IPT26						0.13	0.87	2.65
IPT81						0.25	0.75	2.34
IPT68						0.30	0.70	3.46
IPT8						0.12	0.88	1.97
IPT53		0.90				0.81	0.19	1.01
IPT96		0.81				0.70	0.30	1.27
IPT33		0.79				0.67	0.33	1.03
IPT63		0.73				0.60	0.40	1.03
IPT48		0.70				0.62	0.38	1.24
IPT60		0.68				0.59	0.41	1.06
IPT40		0.60				0.40	0.60	1.08
IPT34		0.59				0.50	0.50	1.59
IPT92		0.57				0.55	0.45	1.25
IPT83		0.56				0.50	0.50	1.47
IPT97		0.55				0.57	0.43	1.49
IPT5		0.51				0.42	0.58	1.24
IPT35		0.50				0.48	0.52	1.52
IPT7		0.38				0.19	0.81	1.73
IPT73		0.30				0.44	0.56	3.42
IPT79						0.42	0.58	3.49
IPT27			0.57			0.43	0.57	1.78
IPT13			0.54			0.28	0.72	1.10
IPT23			0.53			0.51	0.49	1.74
IPT22			0.51			0.27	0.73	1.11
IPT55			0.48			0.23	0.77	1.21
IPT19			0.47			0.25	0.75	1.46
IPT44		-0.33	0.43			0.28	0.72	2.48
IPT102			0.43			0.26	0.74	1.88
IPT11			0.41			0.17	0.83	1.15
IPT94			0.41			0.17	0.83	1.26
IPT82			0.41			0.22	0.78	1.81
IPT46			0.40			0.23	0.77	2.42
IPT67			0.33			0.16	0.84	3.00
IPT84		0.32	0.33			0.26	0.74	2.02
IPT91			0.32			0.12	0.88	2.06
IPT76			0.32			0.17	0.83	2.01
IPT93				0.56		0.50	0.50	1.20
IPT101				0.54		0.45	0.55	1.35
IPT103				0.52		0.43	0.57	1.37
IPT98				0.43		0.21	0.79	1.07
IPT90				0.43		0.40	0.60	1.82
IPT100				0.42		0.46	0.54	1.91
IPT95	0.39			0.40		0.56	0.44	2.58
IPT86	0.36			0.40		0.50	0.50	2.20
IPT72				0.36		0.34	0.66	2.15
IPT88				0.34		0.30	0.70	2.51
IPT99				0.43	0.45	0.49	0.51	2.11
IPT37					0.43	0.37	0.63	1.65
IPT80					0.37	0.41	0.59	2.33
IPT39		0.32			0.37	0.31	0.69	1.97
IPT28					0.36	0.29	0.71	1.81
IPT38					0.34	0.30	0.70	2.12
IPT64		0.31			0.32	0.53	0.47	3.20
IPT51					0.32	0.37	0.63	2.77
IPT87						0.15	0.85	2.15
IPT71						0.22	0.78	2.60
IPT62						0.32	0.68	2.96
IPT65						0.20	0.80	3.39
IPT89						0.21	0.79	2.57

Variável preditora	Coeficiente (EP)	Razão de Chances (EP)	Área sob ROC (EP)
HADSD	1 (0,13)	2,8 (1,03)	0,77 (0,03)
HADSA	1,1 (0,14)	3,1 (1,18)	0,78 (0,03)
SQR20	1,2 (0,14)	3,3 (1,24)	0,8 (0,03)
IPT-Ansiedade	0,84 (0,13)	2,3 (0,82)	0,73 (0,03)
IPT-Trans. Somato.	1,5 (0,16)	4,4 (1,79)	0,84 (0,022)
IPT-Depressão	0,94 (0,13)	2,6 (0,93)	0,75 (0,03)
IPT-Hab. Soc.	0,53 (0,12)	1,7 (0,58)	0,64 (0,03)
IPT-Trabalho	0,96 (0,14)	2,6 (0,97)	0,75 (0,03)

	QRS-20	HADSA	HADSD	IP-T*
	QRS-20	HADSA	HADSD	Ans	TSom	Dep	HSoc	BEsTr
QRS-20	1	0,89	0,92	0,88	0,89	0,91	0,76	0,76
HADSA	0,89	1	0,91	0,88	0,87	0,86	0,72	0,74
HADSD	0,92	0,91	1	0,87	0,81	0,92	0,79	0,81
IP-T Ans	0,88	0,88	0,87	1	0,89	0,96	0,87	0,73
IP-T-TSom	0,89	0,87	0,81	0,89	1	0,9	0,7	0,75
IP-T-Dep	0,91	0,86	0,92	0,96	0,9	1	0,88	0,81
IP-T-HSoc	0,76	0,72	0,79	0,87	0,7	0,88	1	0,82
IP-T-BEsTr	0,76	0,74	0,81	0,73	0,75	0,81	0,82	1

Escalas	Carga Fatorial	h²	u²
IP-T Depressão	0,98	0,97	0,034
IP-T Ansiedade	0,97	0,93	0,068
HADSD	0,94	0,89	0,113
SRQ20	0,94	0,88	0,12
HADSA	0,92	0,85	0,154
IP-T T.S.	0,91	0,84	0,165
IP-T Habilidades Sociais	0,87	0,76	0,24
IP-T Bem-Estar no Trabalho	0,82	0,68	0,32

Escalas	Alfa de Cronbach (α)	Guttman (λ₆)
SRQ20	0,92	0,93
HADSA	0,88	0,87
HADSD	0,84	0,83
IP-T Ansiedade	0,94	0,95
IP-T Transtornos Somatoformes	0,93	0,94
IP-T Depressão	0,91	0,93
IP-T Habilidades Sociais	0,74	0,78
IP-T Bem-Estar no Trabalho	0,82	0,84

Universidade de São Francisco, Programa de Pós-Graduação Stricto Sensu em Psicologia R. Waldemar César da Silveira, 105, Vl. Cura D'Ars (SWIFT), Campinas - São Paulo, CEP 13045-510, Telefone: (19)3779-3771 - Campinas - SP - Brazil
E-mail: revistapsico@usf.edu.br

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[1] Contato com os autores: Rua Dom Carmine Rocco, 595, Bairro Panceira Toledo-PR, Brasil CEP: 85902-270