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Relationship between physical activity and dizziness handicap inventory in patients with dizziness -A multivariate
Tomohiko Kamo1, Hirofumi Ogihara1, Ryozo Tanaka2
1Department of Physical Therapy, School of Health Sciences, Japan University of Health Sciences, Saitama, Japan; Otolaryngology, Mejiro University Ear Institute Clinic, Saitama, Japan.
Objective:
A few studies have analyzed the physical activity in patients with dizziness. Levels of physical activity using 3-axial accelerometer were reported to be lower in patients with chronic dizziness compared to healthy adults. However, the sample size was small and confounding factors were not adjusted in the study. As the age, balance, anxiety, and depression likely contribute to dizziness, the contribution of physical activity to dizziness should be evaluated after adjusting for these potential confounders. We investigated the relationship between physical activity, postural stability, anxiety, and handicap in patients with dizziness using multivariate analysis.
Methods:
This cross-sectional study included 59 patients with dizziness. The physical activity was measured using a 3-axial accelerometer. We also assessed the Dizziness Handicap Inventory (DHI), Hospital and Anxiety and Depression Scale (HADS), and the total center of pressure path length eyes open and eyes closed (COP_EO, COP_EC). To be eligible for analysis, the participants were required to wear the accelerometer for at least four days, with at least 10 h/day of wear time each day.
Results:
There were significant differences in the light physical activity (LPA) and moderate to vigorous intensity physical activity (MVPA) between the mild (DHI ≦30) and severe (DHI > 60) groups. Factors that significantly affected the DHI_T score, in order of greater β, were LPA, COP_EC, female, and HADS_A (β = -0.546, 0.459, 0.437, 0.239, respectively).
Conclusions:
The present study demonstrated that the patients in the severe group had shorter LPA and MVPA times than that of the patients in the mild group. Additionally, LPA was associated with DHI_T in patients with dizziness. Therefore, physical activity, especially LPA (e.g., activities of daily living), may need to be assessed in patients with dizziness.
