Publication

Daily physical activity in ankylosing spondylitis: validity and reliability of the IPAQ and SQUASH and the relation with clinical assessments

Arends, S., Hofman, M., Kamsma, Y. P. T., van der Veer, E., Houtman, P. M., Kallenberg, C., Spoorenberg, A. & Brouwer, E., 2013, In : Arthritis Research and Therapy. 15, 4, 10 p., 99.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Arends, S., Hofman, M., Kamsma, Y. P. T., van der Veer, E., Houtman, P. M., Kallenberg, C., Spoorenberg, A., & Brouwer, E. (2013). Daily physical activity in ankylosing spondylitis: validity and reliability of the IPAQ and SQUASH and the relation with clinical assessments. Arthritis Research and Therapy, 15(4), [99]. https://doi.org/10.1186/ar4279

Author

Arends, Suzanne ; Hofman, Marianne ; Kamsma, Yvo P T ; van der Veer, Eveline ; Houtman, Pieternella M ; Kallenberg, Cornelis ; Spoorenberg, Anneke ; Brouwer, Elisabeth. / Daily physical activity in ankylosing spondylitis : validity and reliability of the IPAQ and SQUASH and the relation with clinical assessments. In: Arthritis Research and Therapy. 2013 ; Vol. 15, No. 4.

Harvard

Arends, S, Hofman, M, Kamsma, YPT, van der Veer, E, Houtman, PM, Kallenberg, C, Spoorenberg, A & Brouwer, E 2013, 'Daily physical activity in ankylosing spondylitis: validity and reliability of the IPAQ and SQUASH and the relation with clinical assessments', Arthritis Research and Therapy, vol. 15, no. 4, 99. https://doi.org/10.1186/ar4279

Standard

Daily physical activity in ankylosing spondylitis : validity and reliability of the IPAQ and SQUASH and the relation with clinical assessments. / Arends, Suzanne; Hofman, Marianne; Kamsma, Yvo P T; van der Veer, Eveline; Houtman, Pieternella M; Kallenberg, Cornelis; Spoorenberg, Anneke; Brouwer, Elisabeth.

In: Arthritis Research and Therapy, Vol. 15, No. 4, 99, 2013.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Arends S, Hofman M, Kamsma YPT, van der Veer E, Houtman PM, Kallenberg C et al. Daily physical activity in ankylosing spondylitis: validity and reliability of the IPAQ and SQUASH and the relation with clinical assessments. Arthritis Research and Therapy. 2013;15(4). 99. https://doi.org/10.1186/ar4279


BibTeX

@article{29fce98147234104b051208a4b5eafa7,
title = "Daily physical activity in ankylosing spondylitis: validity and reliability of the IPAQ and SQUASH and the relation with clinical assessments",
abstract = "Introduction: The aim of this study was to investigate the construct validity and test-retest reliability of the International Physical Activity Questionnaire (IPAQ; long form) and the Short QUestionnaire to Assess Health-enhancing physical activity (SQUASH) and to investigate the relation between daily physical activity and clinical assessments in patients with ankylosing spondylitis (AS).Methods: For validity, the self-report questionnaires IPAQ and SQUASH were compared with daily physical activity assessed with the ActiGraph accelerometer during 7 consecutive days in 63 AS outpatients. For reliability, the IPAQ and SQUASH were administered twice approximately 1 week apart in 52 AS outpatients. In all 115 patients, clinical assessments were performed at the outpatient clinic.Results: IPAQ and SQUASH total scores correlated significantly with accelerometer outcome: rho = 0.38 and r = 0.35, respectively. Intraclass correlation coefficients between first and second assessments of the IPAQ and SQUASH were 0.83 and 0.89, respectively. Bland-Altman analyses showed no systemic bias, but in particular for the IPAQ the 95% limits of agreement were wide. Daily physical activity assessed by accelerometer, IPAQ, and SQUASH correlated significantly with disease activity, physical activity, and quality of life. A relation with spinal mobility was found only for the accelerometer and SQUASH. The direction of these correlations indicates that higher daily physical activity is related to lower disease activity and better physical function, spinal mobility and quality of life.Conclusions: Both physical activity questionnaires showed modest construct validity. The SQUASH showed good test-retest reliability, superior to the IPAQ. These results indicate that the SQUASH is more suitable than the IPAQ to assess daily physical activity in AS population studies. However, it is desirable to add questions on AS-specific physical activity. Further studies are needed to investigate the causality of the relation between daily physical activity and clinical assessments.",
keywords = "RANDOMIZED CONTROLLED-TRIAL, HOME-BASED EXERCISE, ACTIVITY QUESTIONNAIRES, DEPRESSION, COMPENDIUM, CRITERIA, UPDATE",
author = "Suzanne Arends and Marianne Hofman and Kamsma, {Yvo P T} and {van der Veer}, Eveline and Houtman, {Pieternella M} and Cornelis Kallenberg and Anneke Spoorenberg and Elisabeth Brouwer",
year = "2013",
doi = "10.1186/ar4279",
language = "English",
volume = "15",
journal = "Arthritis Research and Therapy",
issn = "1478-6362",
publisher = "BioMed Central Ltd.",
number = "4",

}

RIS

TY - JOUR

T1 - Daily physical activity in ankylosing spondylitis

T2 - validity and reliability of the IPAQ and SQUASH and the relation with clinical assessments

AU - Arends, Suzanne

AU - Hofman, Marianne

AU - Kamsma, Yvo P T

AU - van der Veer, Eveline

AU - Houtman, Pieternella M

AU - Kallenberg, Cornelis

AU - Spoorenberg, Anneke

AU - Brouwer, Elisabeth

PY - 2013

Y1 - 2013

N2 - Introduction: The aim of this study was to investigate the construct validity and test-retest reliability of the International Physical Activity Questionnaire (IPAQ; long form) and the Short QUestionnaire to Assess Health-enhancing physical activity (SQUASH) and to investigate the relation between daily physical activity and clinical assessments in patients with ankylosing spondylitis (AS).Methods: For validity, the self-report questionnaires IPAQ and SQUASH were compared with daily physical activity assessed with the ActiGraph accelerometer during 7 consecutive days in 63 AS outpatients. For reliability, the IPAQ and SQUASH were administered twice approximately 1 week apart in 52 AS outpatients. In all 115 patients, clinical assessments were performed at the outpatient clinic.Results: IPAQ and SQUASH total scores correlated significantly with accelerometer outcome: rho = 0.38 and r = 0.35, respectively. Intraclass correlation coefficients between first and second assessments of the IPAQ and SQUASH were 0.83 and 0.89, respectively. Bland-Altman analyses showed no systemic bias, but in particular for the IPAQ the 95% limits of agreement were wide. Daily physical activity assessed by accelerometer, IPAQ, and SQUASH correlated significantly with disease activity, physical activity, and quality of life. A relation with spinal mobility was found only for the accelerometer and SQUASH. The direction of these correlations indicates that higher daily physical activity is related to lower disease activity and better physical function, spinal mobility and quality of life.Conclusions: Both physical activity questionnaires showed modest construct validity. The SQUASH showed good test-retest reliability, superior to the IPAQ. These results indicate that the SQUASH is more suitable than the IPAQ to assess daily physical activity in AS population studies. However, it is desirable to add questions on AS-specific physical activity. Further studies are needed to investigate the causality of the relation between daily physical activity and clinical assessments.

AB - Introduction: The aim of this study was to investigate the construct validity and test-retest reliability of the International Physical Activity Questionnaire (IPAQ; long form) and the Short QUestionnaire to Assess Health-enhancing physical activity (SQUASH) and to investigate the relation between daily physical activity and clinical assessments in patients with ankylosing spondylitis (AS).Methods: For validity, the self-report questionnaires IPAQ and SQUASH were compared with daily physical activity assessed with the ActiGraph accelerometer during 7 consecutive days in 63 AS outpatients. For reliability, the IPAQ and SQUASH were administered twice approximately 1 week apart in 52 AS outpatients. In all 115 patients, clinical assessments were performed at the outpatient clinic.Results: IPAQ and SQUASH total scores correlated significantly with accelerometer outcome: rho = 0.38 and r = 0.35, respectively. Intraclass correlation coefficients between first and second assessments of the IPAQ and SQUASH were 0.83 and 0.89, respectively. Bland-Altman analyses showed no systemic bias, but in particular for the IPAQ the 95% limits of agreement were wide. Daily physical activity assessed by accelerometer, IPAQ, and SQUASH correlated significantly with disease activity, physical activity, and quality of life. A relation with spinal mobility was found only for the accelerometer and SQUASH. The direction of these correlations indicates that higher daily physical activity is related to lower disease activity and better physical function, spinal mobility and quality of life.Conclusions: Both physical activity questionnaires showed modest construct validity. The SQUASH showed good test-retest reliability, superior to the IPAQ. These results indicate that the SQUASH is more suitable than the IPAQ to assess daily physical activity in AS population studies. However, it is desirable to add questions on AS-specific physical activity. Further studies are needed to investigate the causality of the relation between daily physical activity and clinical assessments.

KW - RANDOMIZED CONTROLLED-TRIAL

KW - HOME-BASED EXERCISE

KW - ACTIVITY QUESTIONNAIRES

KW - DEPRESSION

KW - COMPENDIUM

KW - CRITERIA

KW - UPDATE

U2 - 10.1186/ar4279

DO - 10.1186/ar4279

M3 - Article

C2 - 23971767

VL - 15

JO - Arthritis Research and Therapy

JF - Arthritis Research and Therapy

SN - 1478-6362

IS - 4

M1 - 99

ER -

ID: 13658486