Combined Effect of Slow Gait Speed and Depressive Symptoms on Incident Disability in Older Adults

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• 作者：Kota Tsutsumimoto ; PhD ; PT^a ; ^{k-tsutsu@ncgg.go.jp" class="auth_mail" title="E-mail the corresponding author} ; Takehiko Doi ; PhD ; PT^a ; Hiroyuki Shimada ; PhD ; PT^a ; Hyuma Makizako ; PhD ; PT^a ; Ryo Hotta ; PhD^a ; Sho Nakakubo ; MSc ; PT^a ; Takao Suzuki ; PhD ; MD^b
• 关键词：Incident disability ; gait speed ; depression ; older adults
• 刊名：Journal of the American Medical Directors Association
• 出版年：2016
• 出版时间：1 February 2016
• 年：2016
• 卷：17
• 期：2
• 页码：123-127
• 全文大小：351 K

文摘

To elucidate whether a combination of slow gait speed and depressive symptoms result in higher risk of incident disability in older adults than either symptom individually.

Design

Prospective cohort study.

Setting

Obu City, Aichi Prefecture, Japan.

Participants

Participants were 4038 older adults (48.7% male, mean age = 71 years) who met the study inclusion criteria.

Measurements

Longitudinal data on incident disability were collected up to 33 months [median 31 months (interquartile range 29–32 months)] after baseline. We monitored monthly incident disability, defined as Japanese long-term care insurance certification for personal support or care. Baseline measurements included covariates for incident disability, gait speed, and the Geriatric Depression Scale for assessing depressive symptoms. The associations between slow gait, depressive symptoms, or their co-occurrence, and incident disability were examined.

Results

Control participants were the reference in an adjusted Cox proportional hazard regression model. Participants with co-occurring slow gait and depressive symptoms showed a greater risk of incident disability [hazard ratio (HR) 3.08, confidence interval (CI) 95% 2.00–4.75]. Greater risk was also found for participants with slow gait speed alone (HR 2.44, CI 95% 1.71–3.47) and depressive symptoms alone (HR 1.60, CI 95% 1.01–2.53).

Conclusions

Older adults with both risk factors may require early detection and physical and psychological intervention.