ObjectiveThe Yamax Digi-Walker CW-701 (Yamax CW-701) is a low-cost pedometer that includes a 7-day memory, a 2-week cumulative memory, and automatically resets to zero at midnight. To date, the accuracy of the Yamax CW-701 has not been determined. The purpose of this study was to assess the accuracy of steps recorded by the Yamax CW-701 pedometer compared with actual steps and two other devices.MethodsThe study was conducted in a campus-based lab and in free-living settings with 22 students, faculty, and staff at a mid-sized university in the Southeastern US. While wearing a Yamax CW-701, Yamax Digi-Walker SW-200, and an ActiGraph GTX3 accelerometer, participants engaged in activities at variable speeds and conditions. To assess accuracy of each device, steps recorded were compared with actual step counts. Statistical tests included paired sample t-tests, percent accuracy, intraclass correlation coefficient, and Bland–Altman plots.ResultsThe Yamax CW-701 demonstrated reliability and concurrent validity during walking at a fast pace and walking on a track, and in free-living conditions. Decreased accuracy was noted walking at a slow pace.ConclusionsThese findings are consistent with prior research. With most pedometers and accelerometers, adequate force and intensity must be present for a step to register. The Yamax CW-701 is accurate in recording steps taken while walking at a fast pace and in free-living settings.
This article presents a ten-year service evaluation of the Adolescent Multi-Agency Specialist Service (AMASS), an edge of care service based within Islington Children’s Services. A description of the AMASS model and the social care and mental health outcomes for the cohort of families supported by the service across this period (n = 181) are presented. The service had a completion rate of 85 per cent and improvements in both social care and mental health outcomes were found for a significant proportion of those who completed the intervention. Placement stabilisation was achieved for 82 per cent of young people across the service’s three referral categories (home stability, foster placement stability and return home from care). Statistically significant reductions in parental report scores were found on the Strengths and Difficulties Questionnaire and two measures of family functioning in a paired sample (n = 48). Potential learning arising from the AMASS model, in terms of implications for service design for adolescent edge of care interventions, and the limitations of this service evaluation are discussed.
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