Table 2 Description of methods used to measure daily step counts in included studies
Outcome category (number of studies) | Reference | Pedometer or Accelerometer | Device(s) | Monitoring period | Time point of steps/day measurement | Data processing criteria |
|---|---|---|---|---|---|---|
All-cause mortality (N = 5) | Dwyer, 2015 [15] | Pedometer | Omron HJ-003, Omron HJ-102, and Yamax Digi-Walker | 2 consecutive days (including ≥1 weekday) | Baseline and mean 3.7 years (subset) | None reported |
Fox, 2015 [16] | Accelerometer | ActiGraph GT1M | 7 consecutive days | Baseline | Valid wear time: ≥10 h/day and ≥ 5 days | |
Jefferis, 2019 [17] | Accelerometer | ActiGraph GT3X | 7 days during waking hours | Baseline | Valid wear time: ≥10 h/day and ≥ 3 days | |
Lee, 2019 [18] | Accelerometer | ActiGraph GT3X | 7 consecutive days during waking hours | Baseline | Valid wear time: ≥10 h/day and ≥ 4 days | |
Yamamoto, 2018 [19] | Pedometer | EX-100S | 7 consecutive days during waking hours | Baseline | Valid wear time: ≥3 days | |
CVD (N = 4) | Cochrane, 2017 [20] | Accelerometer | ActiGraph GT3X | 7 consecutive days during waking hours | Baseline, 0.5, 1, and 2 years | Valid wear time: ≥10 h/day and ≥ 3 days for at least one time point |
Huffman, 2014 [21] | Pedometer | Accusplit AE120 | 7 consecutive days during waking hours | Baseline | None reported | |
Jefferis, 2019 [22] | Accelerometer | ActiGraph GT3X | 7 days during waking hours | Baseline | Valid wear time: ≥10 h/day and ≥ 3 days | |
Yates, 2014 [23] | Pedometer | Accusplit AE120 | 7 consecutive days during waking hours | Baseline and 1 year | None reported | |
Dysglycemia (N = 8) | Kraus, 2018 [26] | Pedometer | Accusplit AE120 | 7 consecutive days during waking hours | Baseline | None reported |
Ponsonby, 2011 [27] | Pedometer | Omron HJ-003, Omron HJ-102 | 2 consecutive days (including ≥1 weekday) | Baseline and 5 years | None reported | |
Dwyer, 2011 [24] | Pedometer | Omron HJ-003, Omron HJ-102 | 2 consecutive days | Baseline and 5 years | None reported | |
Herzig, 2014 [25] | Accelerometer | Newtest Exercise Monitor | Every day for 3 months during waking hours | Duration of study | Valid day: >  1000 steps | |
Siddiqui, 2018 [31] | Pedometer | Not reported | Every day for 4 months during waking hours | Duration of study | None reported | |
Tudor-Locke, 2004 [28] | Pedometer | Yamax SW-200 | 3 consecutive days (including 1 weekend day) during waking hours | Baseline, 0.3, and 0.5 years | None reported | |
Van Dyck, 2013 [29] | Pedometer | Yamax DigiWalker SW200 | 5 consecutive days (including ≥1 weekend day) during waking hours | Baseline, 0.5, and 1 year | None reported | |
Yates, 2015 [30] | Pedometer | Accusplit AE120 | 7 consecutive days | Baseline and 1 year | Valid wear time: ≥1 day |