Propiedades psicométricas de la versión brasileña del instrumento Vulnerable Elders Survey-13 (VES-13)

Luz, Laércio Lima; Santiago, Lívia Maria; Silva, João Francisco Santos da; Mattos, Inês Echenique

doi:10.1590/0102-311X00011714

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Methodological Issues • Cad. Saúde Pública 31 (3) • Mar 2015 • https://doi.org/10.1590/0102-311X00011714 copiar

Propiedades psicométricas de la versión brasileña del instrumento Vulnerable Elders Survey-13 (VES-13)

Autoría SCIMAGO INSTITUTIONS RANKINGS

Este estudio tiene como objetivo evaluar las propiedades psicométricas de la versión brasileña del Vulnerable Elders Survey-13 (VES-13). Se realizaron entrevistas con individuos de 60 o más años, tratados en un ambulatorio de un hospital oncológico. La fiabilidad test-retest fue evaluada con coeficientes de correlación de Spearman, coeficientes de correlación intraclase y kappa. El análisis exploratorio para la evaluación del constructo por análisis de componentes principales se realizó con rotación varimax. La validez del constructo se examinó a través de la validez convergente y divergente. Los coeficientes de correlación de Spearman entre las puntuaciones de la prueba y el retest fueron 0,98 (p < 0,001). Todos los coeficientes de correlación intraclase presentaron valores superiores a 0,60 y los coeficientes Kappa oscilaron entre 0,33 y 0,94. Tres factores explicaron un 72,6% de la varianza total. El VES-13 presentó buena validez convergente y razón divergente. La versión brasileña del VES-13 presenta propiedades psicométricas consistentes.

Anciano; Psicometría; Comunidades Vulnerables

Items/categories	Test	Retest	Intraclass correlation coefficients (95%CI)
Items/categories	Average score (SD)	Average score (SD)	Intraclass correlation coefficients (95%CI)
Age (item 1)	0.42 (0.68)	0.41 (0.68)	0.995 (0.993-0.997)
Self-related health (item 2)	0.44 (0.50)	0.50 (0.50)	0.689 (0.545-0.787)
Physical capacity (items 3 to 8)	0.94 (0.89)	0.90 (0.88)	0.779 (0.706-0.863)
Functional capacity (items 9 to 13)	1.37 (0.90)	1.33 (0.90)	0.651 (0.490-0.762)
VES-13 (items 1 to 13)	3.17 (2.76)	3.15 (2.81)	0.786 (0.687-0.854)

VES-13 items		Simple agreement	Kappa
1.	Age:	0.97	0.94
2.	In general, compared to other people your age, would you say that your health is:	0.76	0.52
3.	How much difficulty, on average, do you have with stooping, crouching or kneeling?	0.84	0.62
4.	How much difficulty, on average, do you have with lifting or carrying objects as heavy as 10 pounds?	0.81	0.51
5.	How much difficulty, on average, do you have with reaching or extending arms above shoulder level?	0.92	0.56
6.	How much difficulty, on average, do you have with writing, or handling and grasping small objects?	0.95	0.59
7.	How much difficulty, on average do you have with walking a quarter of a mile?	0.85	0.60
8.	How much difficulty, on average, do you have with heavy housework such as scrubbing floors or washing windows?	0.83	0.66
9.	Because of your health or physical condition, do you have any difficulty shopping for personal items (like toilet items or medicines)?	0.78	0.43
10.	Because of your health or physical condition, do you have any difficulty managing money (like keeping track of expenses or paying bills)?	0.80	0.41
11.	Because of your health or a physical condition, do you have any difficulty walking across the room?	0.93	0.43
12.	Because of your health or a physical condition, do you have any difficulty doing light housework (like washing dishes, straightening up, or light cleaning)?	0.90	0.62
13.	Because of your health or a physical condition, do you have any difficulty bathing or showering?	0.94	0.33

VES-13 items	Components
VES-13 items	1	2	3
Because of your health or a physical condition, do you have any difficulty walking across the room?	0.954	0.262
Because of your health or a physical condition, do you have any difficulty bathing or showering?	0.954	0.262
Because of your health or physical condition, do you have any difficulty managing money (like keeping track of expenses or paying bills)?	0.953	0.261
Because of your health or a physical condition, do you have any difficulty doing light housework (like washing dishes, straightening up, or light cleaning)?	0.945	0.275
Because of your health or physical condition, do you have any difficulty shopping for personal items (like toilet items or medicines)?	0.943	0.274
How much difficulty, on average, do you have with stooping, crouching or kneeling?	0.169	0.768
How much difficulty, on average, do you have with lifting or carrying objects as heavy as 10 pounds?	0.243	0.747
How much difficulty, on average, do you have with heavy housework such as scrubbing floors or washing windows?	0.335	0.744
How much difficulty, on average, do you have with reaching or extending arms above shoulder level?	0.198	0.682	-0.384
How much difficulty, on average do you have with walking a quarter of a mile?	0.305	0.667	0.225
In general, compared to other people your age, would you say that your health is:	-0.154	-0.504
How much difficulty, on average, do you have with writing, or handling and grasping small objects?	0.121	0.499	-0.336
Age:		0.148	0.851

VES-13 item	Alternative indicator	r	p-value
Age:	What day, month and year were you born?	0.885	< 0.001
In general, compared to other people your age, would you say that your health is:	How would you describe your health?	0.606	< 0.001
Physical capacity
How much difficulty, on average, do you have with stooping, crouching or kneeling?	Are you able to pick up an object that has fallen on the floor?	0.278	< 0.001
How much difficulty, on average, with lifting or carrying objects as heavy as 10 pounds?	How many days last week did you perform moderate physical activities for at least 10 minutes continuously?	0.222	< 0.001
How much difficulty, on average, do you have with reaching or extending arms above shoulder level?	Do you have any difficulty reaching objects in a high place, such as a glass on a shelf?	0.452	< 0.001
How much difficulty, on average, do you have with writing, or handling and grasping small objects?	Do you have any difficulty picking up a coin from a table?	0.382	< 0.001
How much difficulty, on average, do you have with walking a quarter of a mile?	Do you have any difficulty going up one flight of stairs?	0.538	< 0.001
How much difficulty, on average, do you have with heavy housework, such as scrubbing floors or washing windows?	How many days last week did you perform vigorous physical activities for at least 10 minutes continuously?	0.276	< 0.001
Functional capacity
Because of your health or a physical condition, do you have any difficulty shopping for personal items (like toilet items or medicines)?	Are you able to do shopping?	0.287	< 0.001
Because of your health or a physical condition, do you have any difficulty managing money (like keeping track of expenses or paying bills)?	Are you able to look after your money?	0.146	0.008
Because of your health or a physical condition, do you have any difficulty walking across the room?	Do you have any problems in your daily life due to difficulty in walking?	0.513	< 0.001
Because of your health or a physical condition, do you have any difficulty doing light housework (like washing dishes, straightening up, or light cleaning)?	Are you able to tidy your house?	0.140	0.011
Because of your health or a physical condition, do you have any difficulty bathing or showering?	Do you need help to take a bath?	0.971	< 0.001

Alternative * indicators	Physical capacity	VES-13 items **
Alternative * indicators	r (p)	1	2	3	4	5
A	0.200 (< 0.001)	0.075 (0.108)	0.041 (0.157)	0.225 (0.079)	0.018 (0.381)	0.306 (0.050)
B	0.213 (< 0.001)	0.095 (0.058)	0.048 (0.218)	0.015 (0.464)	0.104 (0.043)	0.284 (< 0.001)
C	0.471 (< 0.001)	0.122 (0.022)	0.088 (0.075)	0.144 (0.184)	0.058 (0.171)	0.059 (0.378)
D	0.179 (0.002)	0.012 (0421)	0.068 (0.131)	0.083 (0.302)	0.056 (0.177)	0.059 (0.378)
E	0.550 (< 0.001)	0.091 (0.067)	0.046 (0.225)	0.193 (0.114)	0.046 (0.225)	0.272 (0.073)
F	0.175 (0.002)	0.026 (0.335)	0.036 (0.277)	0.123 (0.022)	0.033 (0.294)	0.096 (0.056)
Alternative * indicators	Functional capacity	6	7	8	9	10	11
Alternative * indicators	r (p)	6	7	8	9	10	11
G	0.677 (< 0.001)	0.392 (< 0.001)	0.467 (< 0.001)	0.247 (< 0.001)	0.245 (< 0.001)	0.473 (< 0.001)	0.512 (0.001)
H	0.616 (< 0.001)	0.297 (< 0.001)	0.360 (< 0.001)	0.227 (< 0.001)	0.268 (< 0.001)	0.345 (< 0.001)	0.424 (< 0.001)
I	0.533 (< 0.001)	0.456 (< 0.001)	0.421 (< 0.001)	0.364 (< 0.001)	0.272 (< 0.001)	0.674 (< 0.001)	0.534 (< 0.001)
J	0.534 (< 0.001)	0.419 (< 0.001)	0.494 (< 0.001)	0.334 (< 0.001)	0.300 (< 0.001)	0.486 (< 0.001)	0.688 (< 0.001)
K	0.295 (< 0.001)	0.162 (0.004)	0.227 (< 0.001)	0.118 (0.026)	0.165 (0.003)	0.159 (0.004)	0.180 (0.001)

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[1] Correspondence L. L. Luz Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz. Rua Leopoldo Bulhões 1480, Rio de Janeiro, RJ 21041-210, Brasil laercioll@hotmail.com