

We further excluded 67 people who did not complete the survey, and 861 who did not provide steps data through screenshots (picture of the screen content). At this level, functions integral to the game are unlocked, including joining a team and competing for Pokémon gyms. Of the 2225 people who responded to the survey, we excluded 115 who had downloaded Pokémon GO but not achieved a “trainer level” of 5 or more, which is reached after around two hours of walking. Because the number of people fulfilling the inclusion criteria who were exposed to the online posting of our study is not known, it was not possible to calculate the response rate. Participants were paid $2.0 (£1.6 €1.9) for completed study participation.
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We recruited survey participants who were aged 18 to 35 years, resided in the US, and used an iPhone 6 series smartphone, because these devices automatically record the number of steps taken while carrying the device. It is widely used for research purposes: it allows for fast recruitment of diverse study populations, and the reliability of MTurk is similar to that of traditional survey methods. MTurk is a website for recruitment of online workers (>500 000 registered workers worldwide 6) who receive a small compensation for completing tasks, including responding to surveys. We conducted an online survey using the Amazon Mechanical Turk (MTurk), between 1 and 31 of August 2016. The association was, however, moderate and no longer observed after six weeks. No significant effect modification of Pokémon GO was found by sex, age, race group, bodyweight status, urbanity, or walkability of the area of residence.Ĭonclusions Pokémon GO was associated with an increase in the daily number of steps after installation of the game. By the sixth week after installation, the number of daily steps had gone back to pre-installation levels. The difference in difference analysis showed that the daily average steps for Pokémon GO players during the first week of installation increased by 955 additional steps (95% confidence interval 697 to 1213), and then this increase gradually attenuated over the subsequent five weeks. Results 560 (47.4%) of the survey participants reported playing Pokémon GO and walked on average 4256 steps (SD 2697) each day in the four weeks before installation of the game. A difference in difference regression model was used to estimate the change in daily steps in players of Pokémon GO compared with non-players. Main outcome measures Number of daily steps taken each of the four weeks before and six weeks after installation of Pokémon GO, automatically recorded in the “Health” application of the iPhone 6 series smartphones and reported by the participants. Participants Survey participants of Amazon Mechanical Turk (n=1182) residing in the United States, aged 18 to 35 years and using iPhone 6 series smartphones. Objective To estimate the effect of playing Pokémon GO on the number of steps taken daily up to six weeks after installation of the game.ĭesign Cohort study using online survey data.


Katherine B Howe, doctoral candidate 1 2,.
