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Purpose: This study had two aims: (1) to test the feasibility, safety, and efficacy of using a wireless pedometer in a cohort of nurses; and (2) to understand if wireless pedometer use increased number of steps walked, number of flights of stairs climbed, daily activity level, and improved personal perception of health. Design: This study used a nonexperimental exploratory design to test the feasibility and efficacy of using a wireless pedometer in a cohort of nurses. Pre- and posttest measures captured the number of steps walked, flights of stairs climbed, activity level, and perception of health. Results: Sample characteristics: 27 females, 3 males; 90% non-Hispanic Caucasian, 3% Hispanic; 47% between the ages of 55 and 65 years. Eighty percent of the participants reported that they were caregivers of other people. There was a significant increase from baseline to the end of the study in the following measures: self-perception of steps walked (p < .001), flights of stairs climbed (p < .005), self-perception of daily activity (p < .001), and although there was an improvement in self-perception of health, the change was not significant. Conclusions: The wireless pedometer was a feasible, safe, and efficacious device to use. This study may have implications for interventions aimed at improving caregiver health.