Using Step Activity Monitoring to Characterize Ambulatory Activity in Community‐Dwelling Older Adults
作者： James T. Cavanaugh , Kim L. Coleman , Jean M. Gaines , Linda Laing , Miriam C. Morey
DOI: 10.1111/J.1532-5415.2006.00997.X
关键词:
摘要: OBJECTIVES: To explore the potential of using step activity monitoring to detect differences in ambulatory associated with advancing age and declining function community-dwelling seniors. DESIGN: Cross-sectional pilot study. SETTING: General communities Seattle, Washington; Catonsville, Maryland; Durham, North Carolina. PARTICIPANTS: Thirty healthy younger adults, 28 older 12 adults reporting functional limitations. MEASUREMENTS: Ambulatory data were collected over 6 days StepWatch 3. Average daily values calculated for number steps, minutes activity, bouts, variability minute-to-minute randomness fluctuations. RESULTS: Healthy engaged fewer bouts (P=.03) displayed less-variable (P=.02) than adults. Older limitations not only (P=.009) less variable (P<.001) but also accumulated total steps (P=.003) (P=.008) had less-random fluctuations (P=.02). CONCLUSION: Step useful detecting according limitation. Monitor-based measures reflecting patterns show promise use studies physical functioning.
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