Identificación de ítems para la creación de un cuestionario de valoración de actividades instrumentales de la vida diaria en personas mayores

Martín-Lesende, Iñaki; Ortiz-Lebaniegos, I; Montalvillo-Delgado, E; Pérez-Abad, M; Sánchez-Junquera, P; Rodríguez-Andrés, C

doi:10.1016/s0212-6567(06)70366-3

Cited by 12 publications

(11 citation statements)

References 2 publications

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“…Quality Instruments oriented to the exploration of functional capacity provide patients and health and social professionals with a powerful tool to know and understand the needs they have to tackle. The Lawton IADL Scale is the most widely used [3] instrument for IADL assessment in elder population. In despite of this, it has never been validated for use in Spanish-speaking populations.…”

Section: Introductionmentioning

confidence: 99%

Validation of the Spanish version of the Lawton IADL Scale for its application in elderly people

Vergara¹,

Bilbao

Orive

et al. 2012

Health Qual Life Outcomes

141

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BackgroundThe adequate information about the functional capacity of elderly populations is a key for the comprehensive assessment of their health status and autonomy. The Lawton IADL (instrumental activities of daily living) Scale is a very often used scale to assess independent living skills, but has never been validated for its use in Spanish-speaking populations. The purpose of this study was to assess the validity, the reliability, and responsiveness of this widely used scale.MethodsThe validation was based on a prospective cohort of 1,965 patients aged 65 or over who suffered an accidental fall with a hip or wrist fracture as a result. These patients were followed up six months after the production of the fracture. Cronbach’s alpha was used to assess reliability, and exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) for the construct validity. Convergent and discriminant validity were examined by the correlation of the IADL Scale with the Barthel Index, SF-12, WOMAC short form, and QuickDASH questionnaires. Known-groups validity was also studied comparing IADL Scale according to different groups, and responsiveness was assessed by means of effect sizes.ResultsThe mean age was 80.04 years (SD 8.04). The Cronbach alpha coefficient was 0.94. In the EFA, factor loadings ranged from 0.67 to 0.90, and CFA confirmed the homogeneity of the construct. Regarding the convergent validity, all correlation coefficients were higher than 0.40. Significant differences were found according to different groups, supporting known-groups validity. Responsiveness parameters showed moderate to large changes (effect sizes, 0.79 and 0.84 among patients classified as worsened).ConclusionsThese results confirm that the Spanish version of the Lawton IADL Scale has excellent reliability and validity and a moderate to large sensitivity to change. This study provides a proper validation, not only of the Spanish version of the Lawton IADL Scale, but also of the original instrument.

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Section: Introductionmentioning

confidence: 99%

Validation of the Spanish version of the Lawton IADL Scale for its application in elderly people

Vergara¹,

Bilbao

Orive

et al. 2012

Health Qual Life Outcomes

141

View full text Add to dashboard Cite

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“…We selected the 10 items with the highest ratings in the Delphi process, the remaining items having obtained markedly lower scores [13]. After the assessment by the two experts and the preliminary pilot testing of the draft, we established the questionnaire to be used in subsequent studies (Figure 2).…”

Section: Resultsmentioning

confidence: 99%

“…Items are rated on 3-or 4-point Likert scales, making it possible to assess changes in an individual over time in each item, and sum to a total score ranging from 10 to 38. The completion time is between 3 and 5 minutes, once evaluators are familiarized with the scale [14].…”

Section: Resultsmentioning

confidence: 99%

“…Initial Delphi study [13], to select items for the questionnaire (content validity of the instrument based on expert criteria): 57 experts from a wide range of professional groups participated in the study (general practitioners, geriatricians, nurses, physiotherapists, and social workers) identified though the Spanish Society of Family and Community Medicine (semFYC), and the Spanish Society of Geriatrics and Gerontology (SEGG). Three consecutive rounds of surveys were sent to participants by e-mail (or fax, on request).…”

Section: Methodsmentioning

confidence: 99%

“…Having produced a draft questionnaire, we asked two experts in questionnaire design and methodology to review it, and later preliminary pilot testing was carried out with consensus meetings [14]. In this way, we ensured that the questionnaire had apparent validity.…”

Section: Methodsmentioning

confidence: 99%

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Design and Validation of the VIDA Questionnaire, for Assessing Instrumental Activities of Daily Living In Elderly People

Lesende¹,

Vrotsou²,

Vergara³

2014

J Gerontol Geriatr Res

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The detection of frailty in a community setting requires tools that assess the early stages of functional decline. For this reason, it is important to have adequate scales to assess instrumental activities of daily living (IADL). The objective of this paper is to provide an overview of the development of a questionnaire (VIDA) for assessing IADL in elderly people in primary care settings and in the community, and its current level of validation. Using a Delphi study, 10 items were selected for the questionnaire, each with 3-or 4-point Likert scale response options, summing to a total score of 10 to 38 points. No gender bias was detected and the completion time was 3 to 5 minutes. The questionnaire has a high inter-and intrarater reliability, with intraclass correlation coefficients of 0.94 (95% CI: 0.88-0.97, p<0.0001) and 0.96 (95% CI: 0.93-0.98, p<0.0001), respectively. It has good internal consistency, with a Cronbach's alpha of 0.94, and the most recent studies suggest that it is moderately sensitivity to change. It also has adequate construct validity, with correlations between items >0.40, except for the item "maintaining social relationships" which has a lower factor loading and correlation than the others. The VIDA questionnaire is relatively well correlated with other instruments assessing functioning (Lawton and Brody index and the Timed Up and Go test).

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Fiabilidad del cuestionario VIDA, para valoración de Actividades Instrumentales de la Vida Diaria (AIVD) en personas mayores

Lesende¹,

Cantero

Atucha

et al. 2012

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Identificación de ítems para la creación de un cuestionario de valoración de actividades instrumentales de la vida diaria en personas mayores

Cited by 12 publications

References 2 publications

Validation of the Spanish version of the Lawton IADL Scale for its application in elderly people

Validation of the Spanish version of the Lawton IADL Scale for its application in elderly people

Design and Validation of the VIDA Questionnaire, for Assessing Instrumental Activities of Daily Living In Elderly People

Fiabilidad del cuestionario VIDA, para valoración de Actividades Instrumentales de la Vida Diaria (AIVD) en personas mayores

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