Construction and validation of an instrument for assessing the functionality of individuals with schistosomiasis

Oliveira, Andréa Costa de; Lima, Shirley Verônica Melo Almeida; Lopes-Sousa, Álvaro Francisco; Farias Neto, Jader Pereira de; Araújo, Karina Conceição Gomes Machado de

doi:10.1590/0034-7167-2021-0306

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Revista Brasileira de Enfermagem

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ORIGINAL ARTICLE • Rev. Bras. Enferm. 75 (3) • 2022 • https://doi.org/10.1590/0034-7167-2021-0306 copy

Construction and validation of an instrument for assessing the functionality of individuals with schistosomiasis

Construcción y validación de instrumento de evaluación del funcionamiento de individuos con esquistosomiasis

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Objectives:

to construct and validate an instrument for assessing the functionality of individuals with schistosomiasis.

Methods:

methodological study, developed in three stages: 1) construction of the instrument and its association with categories of the International Classification of Functionality, which the study used to elaborate the questions; 2) validation of content, performed by judges experts in the subject; 3) application of the instrument by the test-retest technique in the population with schistosomiasis in 14 days. The study used the correlation coefficient kappa to calculate the degree of agreement between the judges kappa.

Results:

in its final version, the instrument consists of 27 items, 9 of which are from the Body functions component, 6 from Body structures, 4 from Activity and participation, and 8 from Environmental factors.

Conclusions:

the constructed instrument has a biopsychosocial approach, considering four components of the ICF, besides presenting good validity and interobserver reliability.

Descriptors:
Schistosomiais; International Classification of Functioning; Disability and Health; Disability Evaluation; Validation Study; Epidemiology

	CVI	Kappa
	Item	G1	G2
Items relating to the Body functions component
(b2800) Do you feel pain all over your body?	0.87	0.667	1
(b28012) Do you feel pain in your stomach or abdomen?	0.95	1	1
(b28013) Do you feel back pain?	0.95	1	1
(b28014) Do you feel pain in your arms or hands?*	0.70	0	1
(b28015) Do you feel pain in your legs and feet?	0.95	1	1
(b5352) Do you experience any abdominal discomfort, such as colic? Does it bother you?	0.96	1	1
(b530) Can you keep at your ideal weight?	0.73	0.667	1
(b5350) Do you feel nauseous? Does it bother you?	0.95	1	1
(b5351) Do you feel your abdomen distended, swollen? Does it bother you?	0.95	1	1
(b5252) Do you have diarrhea? What is the frequency of defecation?	0.95	1	1
(b5252) Do you have intestinal constipation? What is the frequency of defecation?	1	1	1
(b5251) What is the consistency of your stool?	0.95	1	1
(b840) After entering or using the water of the river, stream, water puddle, well, did you feel any itching?	1	1	1
Items relating to the Body structure component
(s120) Are you diagnosed with schistosomal myeloradiculopathy (SMR)? If yes, analyze on imaging tests medullary granuloma characteristic of SMR	0.85	0.667	1
(s4102) Presence of varicose veins in the abdomen?	0.95	1	1
(s4203) Physical examination of spleen	0.91	0.667	1
(s540) Physical examination of the intestine	1	1	1
(s560) Physical examination of the liver	1	1	1
(s810) Did you experience cercarian dermatitis after coming into contact with the water of the river, stream, lake, puddle, well?	0.85	1	1

	CVI	Kappa
	Item	G1	G2
Items related to the Activity and participation component
(d4102) Do you need help getting out of the position from sitting on your feet to kneeling?	0.95	1	1
(d4103) Do you need help getting out of the lying or standing position to sitting?	0.95	1	1
(d4104) Do you need help getting out of the lying or sitting position to stand?	0.95	1	1
(d4105) Do you have difficulty tilting the trunk forward to catch an object on the ground?	0.95	1	1
(d4500) Do you have difficulty walking indoors or near your home?	0.95	1	1
(d4552) Do you have difficulty walking along your community or city?	0.89	1	1
(d4551) Do you have difficulty going up and down stairs, ramps, sloping surfaces?	0.95	1	1
(d510) Do you have trouble showering and drying yourself?	0.95	1	1
(d540) Do you have difficulty putting on clothes and putting on shoes?	0.95	1	1
(d5702) Do you often seek help and follow guidance from health professionals often?	1.00	1	1
(d810-d839) What is your level of education?	1.00	1	1
(d8451) Can you work independently?	1.00	1	1
(d870) How many minimum wages is the family’s monthly income?	0.98	1	1
Items related to the Environmental factors component
(e1101) Do you use any medications?	0.98	1	1
(e2101) Do you usually perform the following activities in the river, streams, puddles, well, streams?	0.98	1	1
(e2201) Do the rivers, streams, puddles, well, streams that you frequent contain snails?	0.98	1	1
(e310) Does your family help you with your activities and other things you need?	0.81	1	1
(e355) Do you have access to all the healthcare professionals you need?	0.87	1	1
(e450) Do health professionals assist in measures to prevent and combat schistosomiasis?	1	1	1
(e5300) Are there basic sanitation services in your region? If so, do they help or harm your life?	0.95	1	1
(e5300) Are there water and power supply services in the region? If so, do they help or harm your life?	0.85	1	1
(e5800) Are there health services in the community or region? Are services provided when needed?	1	1	1

	Not weighted	Linear weighting	Quadratic weighting
Items relating to the Body functions component
(b2800) Do you feel pain all over your body?	0.473	0.691	0.828**
(b28012) Do you feel pain in your stomach or abdomen?	0.347	0.535	0.692*
(b28013) Do you feel back pain?	0.266	0.408	0.514**
(b28015) Do you feel pain in your legs and feet?	0.449	0.635	0.758**
(b5150) Do you have your gut stuck?	0.632	0.729	0.813
(b5352) Do you experience any abdominal discomfort, such as colic? Does it bother you?	0.286	0.285	0.352*
(b530) Have you lost weight in the last year due to health problem?	0.777	0.777	0.777
(b5350) Do you feel nauseous? Does it bother you?	0.357	0.478	0.621*
(b5351) Do you feel your abdomen distended, swollen? Does it bother you?	Could not calculate the kappa
(b5252) Do you have diarrhea?	0.127	0.099	0.050*
(b5251) What is the consistency of your stool?	0.293	0.293	0.293*
(b840) After entering or using the water of the river, stream, water puddle, well, did you feel any itching?	0.474	0.372	0.331*
Items relating to the Body structure component
(s120) Are you diagnosed with schistosomal myeloradiculopathy (SMR)? If yes, analyze on imaging tests medullary granuloma characteristic of SMR	1	1	1
(s4102) Presence of varicose veins in the abdomen?	Could not calculate the kappa
(s4203) Physical examination of spleen	1	1	1
(s540) Physical examination of the intestine	Could not calculate the kappa
(s560) Physical examination of the liver	1	1	1
(s810) Did you experience cercarian dermatitis after coming into contact with the water of the river, stream, lake, puddle, well?	Could not calculate the kappa

	Not weighted	Linear weighting	Quadratic weighting
Items related to the Activity and participation component
(d4102) Do you need help getting out of the position from sitting on your feet to kneeling?	0.579	0.751	0.873**
(d4103) Do you need help getting out of the lying or standing position to sitting?	0.438	0.524	0.576**
(d4104) Do you need help getting out of the lying or sitting position to stand?	0.378	0.519	0.627**
(d4105) Do you have difficulty tilting the trunk forward to catch an object on the ground?	0.342	0.509	0.639**
(d4500) Do you have difficulty walking indoors or near your home?	0.238	0.357	0.464**
(d4552) Do you have difficulty walking along your community or city?	0.379	0.540	0.669*
(d4551) Do you have difficulty going up and down stairs, ramps, sloping surfaces?	0.409	0.567	0.657**
(d510) Do you have trouble showering and drying yourself?	0.357	0.478	0.621**
(d540) Do you have difficulty putting on clothes and shoes?	0.466	0.572	0.657**
(d5702) Do you often seek help and follow guidance from health professionals often?	0.330	0.393	0.483**
(d810-d839) What is your level of education?	0.962	0.969	0.978
(d8451) Can you work independently?	0.480	0.631	0.778*
(d870) How many minimum wages is the family’s monthly income?	0.858	0.866	0.879
Items related to the Environmental factors component
(e1101) Have you used any schistosomiasis medication?	0.758	0.804	0.843
(e2101) Do you usually perform the following activities in the river, streams, puddles, well, streams?	0.875	0.879	0.886
(e2201) Do the rivers, streams, puddles, well, streams that you frequent contain snails?	0.915	0.915	0.915
(e310) Does your family help you with your activities and other things you need?	0.094	0.068	0.047*
(e355) Do you have access to all the healthcare professionals you need?	0.030	0.153	0.258**
(e450) Do health professionals assist in measures to prevent and combat schistosomiasis?	0.282	0.456	0.602**
(e5300) Are there basic sanitation services in your region? If so, do they help or harm your life?	0.035	0.035	0.035*
(e5300) Are there water supply services in the region? If so, do they help or harm your life?	1	1	1
(e5300) Are there power supply services in the region? If so, do they help or harm your life?	1	1	1
(e5800) Are there health services in the community or region? Where necessary, are services provided?	0.259	0.232	0.184*

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[1] Corresponding author: Andréa Costa de Oliveira E-mail: andreacostaufs@gmail.com