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Table 2 Description of methods used to measure daily step counts in included studies

From: Systematic review of the prospective association of daily step counts with risk of mortality, cardiovascular disease, and dysglycemia

Outcome category (number of studies)ReferencePedometer or AccelerometerDevice(s)Monitoring periodTime point of steps/day measurementData processing criteria
All-cause mortality (N = 5)Dwyer, 2015 [15]PedometerOmron HJ-003, Omron HJ-102, and Yamax Digi-Walker2 consecutive days (including ≥1 weekday)Baseline and mean 3.7 years (subset)None reported
Fox, 2015 [16]AccelerometerActiGraph GT1M7 consecutive daysBaselineValid wear time: ≥10 h/day and ≥ 5 days
Jefferis, 2019 [17]AccelerometerActiGraph GT3X7 days during waking hoursBaselineValid wear time: ≥10 h/day and ≥ 3 days
Lee, 2019 [18]AccelerometerActiGraph GT3X7 consecutive days during waking hoursBaselineValid wear time: ≥10 h/day and ≥ 4 days
Yamamoto, 2018 [19]PedometerEX-100S7 consecutive days during waking hoursBaselineValid wear time: ≥3 days
CVD (N = 4)Cochrane, 2017 [20]AccelerometerActiGraph GT3X7 consecutive days during waking hoursBaseline, 0.5, 1, and 2 yearsValid wear time: ≥10 h/day and ≥ 3 days for at least one time point
Huffman, 2014 [21]PedometerAccusplit AE1207 consecutive days during waking hoursBaselineNone reported
Jefferis, 2019 [22]AccelerometerActiGraph GT3X7 days during waking hoursBaselineValid wear time: ≥10 h/day and ≥ 3 days
Yates, 2014 [23]PedometerAccusplit AE1207 consecutive days during waking hoursBaseline and 1 yearNone reported
Dysglycemia (N = 8)Kraus, 2018 [26]PedometerAccusplit AE1207 consecutive days during waking hoursBaselineNone reported
Ponsonby, 2011 [27]PedometerOmron HJ-003, Omron HJ-1022 consecutive days (including ≥1 weekday)Baseline and 5 yearsNone reported
Dwyer, 2011 [24]PedometerOmron HJ-003, Omron HJ-1022 consecutive daysBaseline and 5 yearsNone reported
Herzig, 2014 [25]AccelerometerNewtest Exercise MonitorEvery day for 3 months during waking hoursDuration of studyValid day: >  1000 steps
Siddiqui, 2018 [31]PedometerNot reportedEvery day for 4 months during waking hoursDuration of studyNone reported
Tudor-Locke, 2004 [28]PedometerYamax SW-2003 consecutive days (including 1 weekend day) during waking hoursBaseline, 0.3, and 0.5 yearsNone reported
Van Dyck, 2013 [29]PedometerYamax DigiWalker SW2005 consecutive days (including ≥1 weekend day) during waking hoursBaseline, 0.5, and 1 yearNone reported
Yates, 2015 [30]PedometerAccusplit AE1207 consecutive daysBaseline and 1 yearValid wear time: ≥1 day