Ptomey L T, Willis E A, Lee J, Washburn R A, Gibson C A, Honas J J, Donnelly J E
Cardiovascular Research Institute, Division of Internal Medicine, The University of Kansas Medical Center, Kansas City, KS, USA.
Institute for Measurement, Methodology, Analysis and Policy, Texas Tech University, Lubbock, TX, USA.
J Intellect Disabil Res. 2017 Aug;61(8):792-801. doi: 10.1111/jir.12392.
Improving physical activity in adults with intellectual and developmental disabilities (IDDs) is recommended to improve weight loss and general health. However, in order to determine the success of physical activity interventions, identification of feasible methods for assessment of physical activities is necessary. The purpose of this study is to assess the feasibility of adults with IDD to track daily steps and wear an accelerometer.
Overweight/obese adults with mild to moderate IDD followed a diet and physical activity program for 18 months. All participants were asked to wear a pedometer and track steps daily by using a pedometer and to provide accelerometer data for 7 days at baseline, 6, 12 and 18 months. Adherence to the pedometer protocol and plausibility of the number of recorded steps were assessed, and these measures along with average wear time of the accelerometer were recorded.
Data were collected from 149 participants (36.5 ± 12.2 years of age, 57% female). Participants recorded a step value on 81.5% of days across the 18-month study, with 40.9% of written days classified as plausible. When wearing the accelerometer, 26.8% of participants met the recommended 4-day/10-h wear time criterion at baseline, and 22.6, 24.8 and 18.8% met the criterion at 6, 12 and 18 months, respectively.
Adults with IDD will adhere reasonably well to wearing a pedometer long term, but may be unable to record the step data accurately. Furthermore, adults with IDD have poor compliance with accelerometer protocols, and future studies should determine if a shorter wear time protocol would produce valid data in this population.
建议提高智力和发育障碍（IDD）成年人的身体活动水平，以促进体重减轻和改善总体健康状况。然而，为了确定身体活动干预措施的成效，有必要确定评估身体活动的可行方法。本研究的目的是评估患有IDD的成年人追踪每日步数和佩戴加速度计的可行性。
患有轻度至中度IDD的超重/肥胖成年人遵循饮食和身体活动计划18个月。所有参与者均被要求佩戴计步器，并通过计步器每日追踪步数，并在基线、6个月、12个月和18个月时提供7天的加速度计数据。评估对计步器方案的依从性以及所记录步数的合理性，并记录这些指标以及加速度计的平均佩戴时间。
收集了149名参与者的数据（年龄36.5±12.2岁，57%为女性）。在为期18个月的研究中，参与者在81.5%的日子里记录了步数，其中40.9%的记录天数被归类为合理。佩戴加速度计时，26.8%的参与者在基线时达到了建议的4天/10小时佩戴时间标准，在6个月、12个月和18个月时，分别有22.6%、24.8%和18.8%的参与者达到了该标准。
患有IDD的成年人能够较好地长期坚持佩戴计步器，但可能无法准确记录步数数据。此外，患有IDD的成年人对加速度计方案的依从性较差，未来的研究应确定较短的佩戴时间方案是否能在该人群中产生有效的数据。
