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Randomized controlled pilot of an intervention to reduce and break-up overweight/obese adults' overall sitting-time.


ABSTRACT: Too much prolonged sitting is a prevalent health risk among adults. Interventions have focused mainly on the workplace, with limited attention to non-work settings. The effectiveness of a short-term intervention to reduce and break-up sitting-time in overweight/obese adults was examined. This pilot study sought to determine the feasibility of interrupting sitting to stand/ambulate objectively with ActivPAL devices which provide a valid measurement of sit/stand transitions.This is a cross-over randomized controlled pilot that included 10 participants (aged 37-65 years) and although a small and short-term intervention (1-week intervention; no washout) further informs on the feasibility of interventions on a larger scale. At the workplace, screen-delivered hourly alerts prompted participants to break-up sitting-time through adopting walking behaviors (approximately 30-60 minutes day(-1)). During transportation/home/leisure-time individual goals for steps day(-1) were set and sitting-reduction strategies (including behavioral self-monitoring) were delivered through daily text messages. Change in inclinometer-derived sitting-time is the main outcome. Standing, stepping, number of sit/stand transitions and participant satisfaction were also examined.For the intervention compared to the control-week (mean difference (95 % confidence interval); p value), participants had less sitting-time (1.85 hours (0.96-2.75); p?=?0.001), more standing (0.77 hours (0.06-1.48); p?=?0.036), and more stepping (1.09 hours (0.79- 1.38); p?

SUBMITTER: Judice PB 

PROVIDER: S-EPMC4631103 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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Randomized controlled pilot of an intervention to reduce and break-up overweight/obese adults' overall sitting-time.

Júdice Pedro B PB   Hamilton Marc T MT   Sardinha Luís B LB   Silva Analiza M AM  

Trials 20151102


<h4>Background</h4>Too much prolonged sitting is a prevalent health risk among adults. Interventions have focused mainly on the workplace, with limited attention to non-work settings. The effectiveness of a short-term intervention to reduce and break-up sitting-time in overweight/obese adults was examined. This pilot study sought to determine the feasibility of interrupting sitting to stand/ambulate objectively with ActivPAL devices which provide a valid measurement of sit/stand transitions.<h4>  ...[more]

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