Evaluation of cross-sectional and longitudinal construct validity of two vision-related quality of life questionnaires: the LVQOL and VCM1

M R de Boer, Caroline B Terwee, Henrica C W de Vet, Annette C Moll, H.J.M. Völker-Dieben, Ger H M B van Rens

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

The Low Vision Quality of Life (LVQOL) questionnaire and the Vision-related Quality of Life Core Measure (VCM1) are two of the many vision-related quality of life (QOL) questionnaires that have been developed in recent years. Although psychometric properties of the LVQOL and VCM1 compare well with other vision-related QOL questionnaires, construct and longitudinal validity have not been assessed (adequately). The purpose of this study was to examine the cross-sectional and longitudinal construct validity of these questionnaires by testing specific pre-specified hypotheses about the relations of these questionnaires with other measures. The percentage of hypotheses regarding the cross-sectional construct validity that were refuted for the LVQOL was 22% for the basic aspects of vision subscale, 50% for the mobility subscale, 39% for the adjustment subscale and 17% for the reading and fine work subscale. For the VCM1 this percentage was 57%. For the longitudinal construct validity the percentage of hypotheses that were refuted ranged from 33 to 75% for the LVQOL subscales and was 50% for the VCM1. In conclusion, cross-sectional construct validity was satisfactory for the LVQOL subscales, but seemed poor for the VCM1. In addition, the longitudinal validity of these scales was poor to moderate.

Original languageEnglish
Pages (from-to)233-48
Number of pages16
JournalQuality of Life Research
Volume15
Issue number2
DOIs
Publication statusPublished - Mar 2006

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Low Vision
Quality of Life
Social Adjustment
Surveys and Questionnaires
Psychometrics
Reading

Keywords

  • Aged
  • Aged, 80 and over
  • Cross-Sectional Studies
  • Female
  • Humans
  • Male
  • Netherlands
  • Psychometrics
  • Quality of Life
  • Surveys and Questionnaires
  • Journal Article
  • Research Support, Non-U.S. Gov't
  • Validation Studies

Cite this

de Boer, M R ; Terwee, Caroline B ; de Vet, Henrica C W ; Moll, Annette C ; Völker-Dieben, H.J.M. ; van Rens, Ger H M B. / Evaluation of cross-sectional and longitudinal construct validity of two vision-related quality of life questionnaires : the LVQOL and VCM1. In: Quality of Life Research. 2006 ; Vol. 15, No. 2. pp. 233-48.
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Evaluation of cross-sectional and longitudinal construct validity of two vision-related quality of life questionnaires : the LVQOL and VCM1. / de Boer, M R; Terwee, Caroline B; de Vet, Henrica C W; Moll, Annette C; Völker-Dieben, H.J.M.; van Rens, Ger H M B.

In: Quality of Life Research, Vol. 15, No. 2, 03.2006, p. 233-48.

Research output: Contribution to JournalArticleAcademicpeer-review

TY - JOUR

T1 - Evaluation of cross-sectional and longitudinal construct validity of two vision-related quality of life questionnaires

T2 - the LVQOL and VCM1

AU - de Boer, M R

AU - Terwee, Caroline B

AU - de Vet, Henrica C W

AU - Moll, Annette C

AU - Völker-Dieben, H.J.M.

AU - van Rens, Ger H M B

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AB - The Low Vision Quality of Life (LVQOL) questionnaire and the Vision-related Quality of Life Core Measure (VCM1) are two of the many vision-related quality of life (QOL) questionnaires that have been developed in recent years. Although psychometric properties of the LVQOL and VCM1 compare well with other vision-related QOL questionnaires, construct and longitudinal validity have not been assessed (adequately). The purpose of this study was to examine the cross-sectional and longitudinal construct validity of these questionnaires by testing specific pre-specified hypotheses about the relations of these questionnaires with other measures. The percentage of hypotheses regarding the cross-sectional construct validity that were refuted for the LVQOL was 22% for the basic aspects of vision subscale, 50% for the mobility subscale, 39% for the adjustment subscale and 17% for the reading and fine work subscale. For the VCM1 this percentage was 57%. For the longitudinal construct validity the percentage of hypotheses that were refuted ranged from 33 to 75% for the LVQOL subscales and was 50% for the VCM1. In conclusion, cross-sectional construct validity was satisfactory for the LVQOL subscales, but seemed poor for the VCM1. In addition, the longitudinal validity of these scales was poor to moderate.

KW - Aged

KW - Aged, 80 and over

KW - Cross-Sectional Studies

KW - Female

KW - Humans

KW - Male

KW - Netherlands

KW - Psychometrics

KW - Quality of Life

KW - Surveys and Questionnaires

KW - Journal Article

KW - Research Support, Non-U.S. Gov't

KW - Validation Studies

U2 - 10.1007/s11136-005-1524-9

DO - 10.1007/s11136-005-1524-9

M3 - Article

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JO - Quality of Life Research

JF - Quality of Life Research

SN - 0962-9343

IS - 2

ER -