Measurement invariance of the Illness Invalidation Inventory (3*I) across language, rheumatic disease and gender

M.B. Kool; R. Van de Schoot; Isabel López-Chicheri García; Ricarda Mewes; José A P Da Silva; Karoline Vangronsveld; Andreas A J Wismeijer; Mark A Lumley; H. van Middendorp; Johannes W J Bijlsma; Geert Crombez; Winfried Rief; R. Geenen

doi:10.1136/annrheumdis-2012-201807

Measurement invariance of the Illness Invalidation Inventory (3*I) across language, rheumatic disease and gender

M.B. Kool, R. Van de Schoot, Isabel López-Chicheri García, Ricarda Mewes, José A P Da Silva, Karoline Vangronsveld, Andreas A J Wismeijer, Mark A Lumley, H. van Middendorp, Johannes W J Bijlsma, Geert Crombez, Winfried Rief, R. Geenen

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

OBJECTIVES: The Illness Invalidation Inventory (3*I) assesses patients' perception of responses of others that are perceived as denying, lecturing, not supporting and not acknowledging the condition of the patient. It includes two factors: 'discounting' and 'lack of understanding'. In order to use the 3*I to compare and pool scores across groups and countries, the questionnaire must have measurement invariance; that is, it should measure identical concepts with the same factor structure across groups. The aim of this study was to examine measurement invariance of the 3*I across rheumatic diseases, gender and languages.

METHODS: Participants with rheumatic disease from various countries completed an online study using the 3*I, which was presented in Dutch, English, French, German, Portuguese and Spanish; 6057 people with rheumatic diseases participated. Single and multiple group confirmatory factor analyses were used to test the factorial structure and measurement invariance of the 3*I with Mplus.

RESULTS: The model with strong measurement invariance, that is, equal factor loadings and thresholds (distribution cut-points) across gender and rheumatic disease (fibromyalgia vs other rheumatic diseases) had the best fit estimates for the Dutch version, and good fit estimates across the six language versions.

CONCLUSIONS: The 3*I showed measurement invariance across gender, rheumatic disease and language. Therefore, it is appropriate to compare and pool scores of the 3*I across groups. Future research may use the questionnaire to examine antecedents and consequences of invalidation as well as the effect of treatments targeting invalidation.

Original language	English
Pages (from-to)	551-556
Number of pages	6
Journal	Annals of the Rheumatic Diseases
Volume	73
Issue number	3
DOIs	https://doi.org/10.1136/annrheumdis-2012-201807
Publication status	Published - 1 Mar 2014

Keywords

mechanical ventilation
PTSS
Bayesian estimation
maximum likelihood
prior specification
power
repeated measures analyses
small samples
burn survivors

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10.1136/annrheumdis-2012-201807

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Kool, M. B., Van de Schoot, R., López-Chicheri García, I., Mewes, R., Da Silva, J. A. P., Vangronsveld, K., Wismeijer, A. A. J., Lumley, M. A., van Middendorp, H., Bijlsma, J. W. J., Crombez, G., Rief, W., & Geenen, R. (2014). Measurement invariance of the Illness Invalidation Inventory (3*I) across language, rheumatic disease and gender. Annals of the Rheumatic Diseases, 73(3), 551-556. https://doi.org/10.1136/annrheumdis-2012-201807

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title = "Measurement invariance of the Illness Invalidation Inventory (3*I) across language, rheumatic disease and gender",

abstract = "OBJECTIVES: The Illness Invalidation Inventory (3*I) assesses patients' perception of responses of others that are perceived as denying, lecturing, not supporting and not acknowledging the condition of the patient. It includes two factors: 'discounting' and 'lack of understanding'. In order to use the 3*I to compare and pool scores across groups and countries, the questionnaire must have measurement invariance; that is, it should measure identical concepts with the same factor structure across groups. The aim of this study was to examine measurement invariance of the 3*I across rheumatic diseases, gender and languages. METHODS: Participants with rheumatic disease from various countries completed an online study using the 3*I, which was presented in Dutch, English, French, German, Portuguese and Spanish; 6057 people with rheumatic diseases participated. Single and multiple group confirmatory factor analyses were used to test the factorial structure and measurement invariance of the 3*I with Mplus. RESULTS: The model with strong measurement invariance, that is, equal factor loadings and thresholds (distribution cut-points) across gender and rheumatic disease (fibromyalgia vs other rheumatic diseases) had the best fit estimates for the Dutch version, and good fit estimates across the six language versions. CONCLUSIONS: The 3*I showed measurement invariance across gender, rheumatic disease and language. Therefore, it is appropriate to compare and pool scores of the 3*I across groups. Future research may use the questionnaire to examine antecedents and consequences of invalidation as well as the effect of treatments targeting invalidation.",

keywords = "mechanical ventilation, PTSS, Bayesian estimation, maximum likelihood, prior specification, power, repeated measures analyses, small samples, burn survivors",

author = "M.B. Kool and {Van de Schoot}, R. and {L{\'o}pez-Chicheri Garc{\'i}a}, Isabel and Ricarda Mewes and {Da Silva}, {Jos{\'e} A P} and Karoline Vangronsveld and Wismeijer, {Andreas A J} and Lumley, {Mark A} and {van Middendorp}, H. and Bijlsma, {Johannes W J} and Geert Crombez and Winfried Rief and R. Geenen",

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doi = "10.1136/annrheumdis-2012-201807",

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Kool, MB, Van de Schoot, R, López-Chicheri García, I, Mewes, R, Da Silva, JAP, Vangronsveld, K, Wismeijer, AAJ, Lumley, MA, van Middendorp, H, Bijlsma, JWJ, Crombez, G, Rief, W & Geenen, R 2014, 'Measurement invariance of the Illness Invalidation Inventory (3*I) across language, rheumatic disease and gender', Annals of the Rheumatic Diseases, vol. 73, no. 3, pp. 551-556. https://doi.org/10.1136/annrheumdis-2012-201807

TY - JOUR

T1 - Measurement invariance of the Illness Invalidation Inventory (3*I) across language, rheumatic disease and gender

AU - Kool, M.B.

AU - Van de Schoot, R.

AU - López-Chicheri García, Isabel

AU - Mewes, Ricarda

AU - Da Silva, José A P

AU - Vangronsveld, Karoline

AU - Wismeijer, Andreas A J

AU - Lumley, Mark A

AU - van Middendorp, H.

AU - Bijlsma, Johannes W J

AU - Crombez, Geert

AU - Rief, Winfried

AU - Geenen, R.

PY - 2014/3/1

Y1 - 2014/3/1

N2 - OBJECTIVES: The Illness Invalidation Inventory (3*I) assesses patients' perception of responses of others that are perceived as denying, lecturing, not supporting and not acknowledging the condition of the patient. It includes two factors: 'discounting' and 'lack of understanding'. In order to use the 3*I to compare and pool scores across groups and countries, the questionnaire must have measurement invariance; that is, it should measure identical concepts with the same factor structure across groups. The aim of this study was to examine measurement invariance of the 3*I across rheumatic diseases, gender and languages. METHODS: Participants with rheumatic disease from various countries completed an online study using the 3*I, which was presented in Dutch, English, French, German, Portuguese and Spanish; 6057 people with rheumatic diseases participated. Single and multiple group confirmatory factor analyses were used to test the factorial structure and measurement invariance of the 3*I with Mplus. RESULTS: The model with strong measurement invariance, that is, equal factor loadings and thresholds (distribution cut-points) across gender and rheumatic disease (fibromyalgia vs other rheumatic diseases) had the best fit estimates for the Dutch version, and good fit estimates across the six language versions. CONCLUSIONS: The 3*I showed measurement invariance across gender, rheumatic disease and language. Therefore, it is appropriate to compare and pool scores of the 3*I across groups. Future research may use the questionnaire to examine antecedents and consequences of invalidation as well as the effect of treatments targeting invalidation.

AB - OBJECTIVES: The Illness Invalidation Inventory (3*I) assesses patients' perception of responses of others that are perceived as denying, lecturing, not supporting and not acknowledging the condition of the patient. It includes two factors: 'discounting' and 'lack of understanding'. In order to use the 3*I to compare and pool scores across groups and countries, the questionnaire must have measurement invariance; that is, it should measure identical concepts with the same factor structure across groups. The aim of this study was to examine measurement invariance of the 3*I across rheumatic diseases, gender and languages. METHODS: Participants with rheumatic disease from various countries completed an online study using the 3*I, which was presented in Dutch, English, French, German, Portuguese and Spanish; 6057 people with rheumatic diseases participated. Single and multiple group confirmatory factor analyses were used to test the factorial structure and measurement invariance of the 3*I with Mplus. RESULTS: The model with strong measurement invariance, that is, equal factor loadings and thresholds (distribution cut-points) across gender and rheumatic disease (fibromyalgia vs other rheumatic diseases) had the best fit estimates for the Dutch version, and good fit estimates across the six language versions. CONCLUSIONS: The 3*I showed measurement invariance across gender, rheumatic disease and language. Therefore, it is appropriate to compare and pool scores of the 3*I across groups. Future research may use the questionnaire to examine antecedents and consequences of invalidation as well as the effect of treatments targeting invalidation.

KW - mechanical ventilation

KW - PTSS

KW - Bayesian estimation

KW - maximum likelihood

KW - prior specification

KW - power

KW - repeated measures analyses

KW - small samples

KW - burn survivors

U2 - 10.1136/annrheumdis-2012-201807

DO - 10.1136/annrheumdis-2012-201807

M3 - Article

SN - 0003-4967

VL - 73

SP - 551

EP - 556

JO - Annals of the Rheumatic Diseases

JF - Annals of the Rheumatic Diseases

IS - 3

ER -

Measurement invariance of the Illness Invalidation Inventory (3*I) across language, rheumatic disease and gender

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