Disabil Rehabil. 2026 Aug 18:1-12. doi: 10.1080/09638288.2026.2716895. Online ahead of print.
ABSTRACT
PURPOSE: To examine the construct validity of scores from the Godin Leisure-Time Exercise Questionnaire Health Contribution Score (GLTEQ HCS) as a measure of moderate-to-vigorous physical activity (MVPA) in adults with Crohn’s disease (CD) and healthy controls.
MATERIALS AND METHODS: Thirty-eight adults with CD (78.9% female; 41.3 ± 12.0 years) and 41 controls (73.2% female; 39.3 ± 12.0 years) completed the GLTEQ and wore an ActiGraph GT3X-BT accelerometer for 7 days. Mean differences in accelerometer outcomes across HCS categories were examined (known-groups test of construct validity). Correlations between GLTEQ HCS and accelerometer-derived MVPA (convergent validity), and light PA (LPA) and sedentary behavior (divergent validity), were examined separately by group.
RESULTS: Significant differences in accelerometer-derived MVPA across the three HCS categories were observed in controls [F(2,40)=3.90, p=.03, η2=.17], but not CD. When dichotomized (active ≥24 units versus insufficiently active <24 units), medium-to-large differences in MVPA emerged for both CD (d=.62) and controls (d=.87), though this difference did not reach statistical significance in CD. GLTEQ HCS correlated with MVPA in controls (rs=.40, p=.01) but not in CD (rs=.28, p=.09), and was not associated with LPA or sedentary behavior.
CONCLUSION: GLTEQ HCS demonstrated modest, context-dependent construct validity for MVPA assessment, with stronger evidence using dichotomized classification and in controls than in adults with CD.
PMID:42611980 | DOI:10.1080/09638288.2026.2716895
