Abstract
Background: Reliability refers to the precision of an assessment, so it is a critical topic to take the right decisions related to health management. People usually perform several tasks at the same time in their daily life. The aim of this study was to examine the reliability of the 30-s chair stand test in people with type 2 Diabetes Mellitus (T2DM) with test–retest, with and without dual-task (motor + cognitive task). Methods: Twenty-six subjects with T2DM and 30 subjects without T2DM performed the 30-s Chair Stand Test (30sCST) in which they must sit and stand as many times as possible in 30 s. They performed the test in the usual way (30sCST) and also with an additional cognitive task (30sCST-DT). A retest was conducted 7–14 days later. Results: Relative reliability was excellent in both groups (intraclass correlation coefficient > 0.9). In 30sCST-DT, relative reliability was high in the T2DM group (intraclass correlation coefficient > 0.7) and excellent in subjects without T2DM (intraclass correlation coefficient > 0.9). Conclusions: The 30sCST and the 30sCST-DT tests are reliable tools for people with T2DM to measure changes after an intervention. The smallest real difference was 15% and 20% upper in the T2DM group in the 30sCST and 30sCST-DT tests, respectively.
Highlights
Non-insulin-dependent Type 2 Diabetes Mellitus (T2DM) is a controllable chronic disease characterized by a chronic hyperglycemia that occurs when the body cannot use or produce insulin properly
The 30-s Chair Stand Test (30sCST) is often used in the assessment of physical condition in adults due to its simplicity is oftenproperties used in the assessment physical condition in adults to itsfor simplicity and good psychometric
DT, which is relevant our daily life we usually perform several tasks at the DT, which is relevant because in our daily life we usually perform several tasks at same time [46], we found that the number of repetitions in 30sCST-DT was lower than in
Summary
Non-insulin-dependent Type 2 Diabetes Mellitus (T2DM) is a controllable chronic disease characterized by a chronic hyperglycemia that occurs when the body cannot use or produce insulin properly. Reliability refers to the precision of an assessment, so it is a critical topic to take the right decisions related to health management. People usually perform several tasks at the same time in their daily life. The aim of this study was to examine the reliability of the 30-s chair stand test in people with type 2 Diabetes Mellitus (T2DM) with test–retest, with and without dual-task They performed the test in the usual way (30sCST) and with an additional cognitive task (30sCST-DT). In 30sCST-DT, relative reliability was high in the T2DM group (intraclass correlation coefficient > 0.7) and excellent in subjects without T2DM (intraclass correlation coefficient > 0.9). Conclusions: The 30sCST and the 30sCST-DT tests are reliable tools for people with T2DM to measure changes after an intervention. The smallest real difference was 15% and 20% upper in the T2DM group in the 30sCST and 30sCST-DT tests, respectively
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