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Reducing Occupational Sitting Time and Improving Worker Health: The Take-a-Stand Project, 2011

The WorkFit S is a sit-stand device that is clamped onto a person's desk and upon which 1 or 2 computer screens are mounted. To work standing up, workers lift the device to the height at which they can see the screens in front of them. Keyboard and note trays are also attached to the device and move up at the same time. To work in a seated position, workers push down the device and can then work in a seated position. WorkFit C is similar to WorkFit S except that the entire sit-stand device also holds the computer and is on casters so that it can be moved around instead of being fixed to a desk.

Figure 1. Sit-stand devices used in the Take-a-Stand Project, Minneapolis, Minnesota, 2011.

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PeriodIntervention Group (n = 23)Comparison Group (n = 10)
Period 10.330.26
Period 20.740.24
Period 30.180.09

Figure 2. Average experience-sampling methodology (ESM) score by group and period of the study, the Take-a-Stand Project, Minneapolis, Minnesota, 2011. ESM score represents the average score by period generated by participants responding to the questions whether they were sitting (0), standing (1), or walking (2), respectively. Period 1 represents the baseline period (average across 1 week), Period 2 represents the intervention period (average across 4 weeks), and period 3 represents the postintervention period (average across 2 weeks).

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