Anke Arkesteyn , Véronique Cornelissen , Jean Steyaert , Davy Vancampfort , Tine Van Damme
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引用次数: 0
Abstract
Background and aims
There is an urgent need for valid assessment tools to assess physical activity (PA) levels in adolescents with autism. This study examines the concurrent validity of the Physical Activity Vital Sign (PAVS) and Online Physical Activity Logbook (OPAL) with accelerometry in adolescents with autism. A secondary aim was to explore the association and agreement between self-perceived and objectively measured PA intensity levels.
Methods
Forty-five adolescents with autism (71% males, Mdn = 14.0 (IQR = 13.0–15.5) years) completed the PAVS and OPAL and wore a wGT3X-BT ActiGraph accelerometer twice for seven consecutive days. Concurrent validity was assessed with Spearman correlations (ρ) and Wilcoxon Signed Rank/Paired Sample T-tests.
Results
A poor association was found between the PAVS and accelerometry (ρ = .37). The PAVS overestimated moderate-to-vigorous PA (MVPA) levels [Mdn = 152.1 min (IQR = 76.8–283.9), p < .001]. Poor associations (ρ = −.06 up to −.45) were observed between the OPAL and accelerometry for time spent in sedentary behavior (SB), light PA (LPA), moderate PA (MPA), vigorous PA (VPA) and MVPA. No significant mean and median differences were found for SB and VPA between the two methods respectively. A moderate association was found between self-perceived (OPAL) and objectively measured (accelerometry) VPA (ρ = .60) and MVPA (ρ = .51), while those for LPA and MPA were poor (ρ < .50). No significant median differences were found between self-perceived and objectively measured VPA.
Conclusion
Clinicians and researchers should be very cautious in using the PAVS to assess MVPA levels in adolescents with autism, while the utility of the OPAL, in its current form, is questionable. Adolescents with autism may estimate PA at a vigorous intensity accurately. Future research should further focus on examining the psychometric properties of self-report PA instruments, as well as the ability of adolescents with autism to accurately estimate the intensity of performed PA's.
期刊介绍:
The aims of Mental Health and Physical Activity will be: (1) to foster the inter-disciplinary development and understanding of the mental health and physical activity field; (2) to develop research designs and methods to advance our understanding; (3) to promote the publication of high quality research on the effects of physical activity (interventions and a single session) on a wide range of dimensions of mental health and psychological well-being (eg, depression, anxiety and stress responses, mood, cognitive functioning and neurological disorders, such as dementia, self-esteem and related constructs, psychological aspects of quality of life among people with physical and mental illness, sleep, addictive disorders, eating disorders), from both efficacy and effectiveness trials;